diff --git a/CHANGELOG b/CHANGELOG
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--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,2804 +1,2805 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
 - Update to jQuery 3.4.1
 - Clarified 'address_book_type' option behavior (#6680)
 - Added cookie mismatch detection, display an error message informing the user to clear cookies
 - Renamed 'log_session' option to 'session_debug'
 - Don't log full session identifiers in userlogins log (#6625)
 - Support $HasAttachment/$HasNoAttachment keywords (#6201)
 - Support PECL memcached extension as a session and cache storage driver (experimental)
 - Switch to IDNA2008 variant (#6806)
 - installto.sh: Add possibility to run the update even on the up-to-date installation (#6533)
 - Plugin API: Add 'render_folder_selector' hook
 - Added 'keyservers' option to define list of HKP servers for Enigma/Mailvelope (#6326)
 - Redis: Support connection to unix socket
 - Elastic: Add Prev/Next buttons on message page toolbar (#6648)
 - Elastic: Close search options on Enter key press in quick-search input (#6660)
 - Elastic: Changed read/unread icons (#6636)
 - Elastic: Changed "Move to..." icon (#6637)
 - Elastic: Add hide/show for advanced preferences (#6632)
 - Elastic: Fix bug where toolbar disappears on attachment menu use in Chrome (#6677)
 - Elastic: Fix folders list scrolling on touch devices (#6706)
 - Elastic: Fix non-working pretty selects in Chrome browser (#6705)
 - Elastic: Various internal refactorings
 - Elastic: Fix issue with absolute positioned mail content (#6739)
 - Elastic: Fix bug where some menu actions could cause a browser popup warning
 - Elastic: Fix handling mailto: URL parameters in contact menu (#6751)
 - Elastic: Fix keyboard navigation in some menus, e.g. the contact menu
 - Elastic: Fix visual issue with long buttons in .boxwarning (#6797)
+- Elastic: Fix handling new-line in text pasted to a recipient input
 - Larry: Fix regression where menu actions didn't work with keyboard (#6740)
 - ACL: Display user/group names (from ldap) instead of acl identifier
 - Password: Added ldap_exop driver (#4992)
 - Managesieve: Fix bug where global includes were requested for vacation (#6716)
 - Managesieve: Use RFC-compliant line endings, CRLF instead of LF (#6686)
 - Managesieve: Fix so "Create filter" option does not show up when Filters menu is disabled (#6723)
 - Enigma: For verified signatures, display the user id associated with the sender address (#5958)
 - Enigma: Fix bug where revoked users/keys were not greyed out in key info
 - Enigma: Fix error message when trying to encrypt with a revoked key (#6607)
 - Enigma: Fix "decryption oracle" bug [CVE-2019-10740] (#6638)
 - Fix invalid path to "add contact" icon when using assets_path setting
 - Fix invalid path to blocked.gif when using assets_path setting (#6752)
 - Fix so advanced search dialog is not automatically displayed on searchonly addressbooks (#6679)
 - Fix so an error is logged when more than one attachment plugin has been enabled, initialize the first one (#6735)
 - Fix bug where flag change could have been passed to a preview frame when not expected
 - Fix bug in HTML parser that could cause missing text fragments when there was no head/body tag (#6713)
 - Fix bug where HTML messages with a xml:namespace tag were not rendered (#6697)
 - Fix TinyMCE download location (#6694)
 - Fix so "Open in new window" consistently displays "external window" interface (#6659)
 - Fix bug where next row wasn't selected after deleting a collapsed thread (#6655)
 - Fix bug where external content (e.g. mail body) was passed to templates parsing code (#6640)
 - Fix bug where attachment preview didn't work with x_frame_options=deny (#6688)
 - Fix so bin/install-jsdeps.sh returns error code on error (#6704)
 - Fix bug where bmp images couldn't be displayed on some systems (#6728)
 - Fix bug in parsing vCard data using PHP 7.3 due to an invalid regexp (#6744)
 - Fix bug where bold/strong text was converted to upper-case on html-to-text conversion (6758)
 - Fix bug in rcube_utils::parse_hosts() where %t, %d, %z could return only tld (#6746)
 - Fix bug where Next/Prev button in mail view didn't work with multi-folder search result (#6793)
 
 RELEASE 1.4-rc1
 ---------------
 - Changed 'password_charset' default to 'UTF-8' (#6522)
 - Add skins_allowed option (#6483)
 - SMTP GSSAPI support via krb_authentication plugin (#6417)
 - Avoid Referer leaking by using Referrer-Policy:same-origin header (#6385)
 - Removed 'referer_check' option (#6440)
 - Use constant prefix for temp file names, don't remove temp files from other apps (#6511)
 - Ignore 'Sender' header on Reply-All action (#6506)
 - deluser.sh: Add option to delete users who have not logged in for more than X days (#6340)
 - HTML5 Upload Progress - as a replacement for the old server-side solution (#6177)
 - Update to TinyMCE 4.8.2
 - Update to jQuery-MiniColors 2.3.4
 - Prevent from using deprecated timezone names from jsTimezoneDetect
 - Force session.gc_probability=1 when using custom session handlers (#6560)
 - Support simple field labels (e.g. LetterHub examples) in csv imports (#6541)
 - Add cache busters also to images used by templates (#6610)
 - Plugin API: Added 'raise_error' hook (#6199)
 - Plugin API: Added 'common_headers' hook (#6385)
 - Plugin API: Added 'ldap_connected' hook
 - Enigma: Update to OpenPGPjs 4.2.1 - fixes user name encoding issues in key generation (#6524)
 - Enigma: Fixed multi-host synchronization of private and deleted keys and pubring.kbx file
 - Managesieve: Added support for 'editheader' extension - RFC5293 (#5954)
 - Managesieve: Fix bug where custom header or variable could be lost on form submission (#6594)
 - Markasjunk: Integrate markasjunk2 features into markasjunk - marking as non-junk + learning engine (#6504)
 - Password: Added 'modoboa' driver (#6361)
 - Password: Fix bug where password_dovecotpw_with_method setting could be ignored (#6436)
 - Password: Fix bug where new users could skip forced password change (#6434)
 - Password: Allow drivers to override default password comparisons (eg new is not same as current) (#6473)
 - Password: Allow drivers to override default strength checks (eg allow for 'not the same as last x passwords') (#246)
 - Passowrd: Allow drivers to define password strength rules displayed to the user
 - Password: Allow separate password saving and strength drivers for use of strength checking services (#5040)
 - Password: Add zxcvbn driver for checking password strength (#6479)
 - Password: Disallow control characters in passwords
 - Password: Add support for Plesk >= 17.8 (#6526)
 - Elastic: Improved datepicker displayed always in parent window
 - Elastic: On touch devices display attachment icons on messages list (#6296)
 - Elastic: Make menu button inactive if all subactions are inactive (#6444)
 - Elastic: On mobile/tablet jump to the list on folder selection (#6415)
 - Elastic: Various improvements on mail compose screen (#6413)
 - Elastic: Support new-line char as a separator for pasted recipients (#6460)
 - Elastic: Improved UX of search dialogs (#6416)
 - Elastic: Fix unwanted thread expanding when selecting a collapsed thread in non-mobile mode (#6445)
 - Elastic: Fix too small height of mailvelope mail preview frame (#6600)
 - Elastic: Add "status bar" for mobile in mail composer
 - Elastic: Add selection options on contacts list (#6595)
 - Elastic: Fix unintentional layout preference overwrite (#6613)
 - Elastic: Fix bug where Enigma options in mail compose could sometimes be ignored (#6515)
 - Log errors caused by low pcre.backtrack_limit when sending a mail message (#6433)
 - Fix regression where drafts were not deleted after sending the message (#6756)
 - Fix so max_message_size limit is checked also when forwarding messages as attachments (#6580)
 - Fix so performance stats are logged to the main console log also when per_user_logging=true
 - Fix malformed message saved into Sent folder when using big attachments and low memory limit (#6498)
 - Fix incorrect IMAP SASL GSSAPI negotiation (#6308)
 - Fix so unicode in local part of the email address is also supported in recipient inputs (#6490)
 - Fix bug where autocomplete list could be displayed out of screen (#6469)
 - Fix style/navigation on error page depending on authentication state (#6362)
 - Fix so invalid smtp_helo_host is never used, fallback to localhost (#6408)
 - Fix custom logo size in Elastic (#6424)
 - Fix listing the same attachment multiple times on forwarded messages
 - Fix bug where a message/rfc822 part without a filename wasn't listed on the attachments list (#6494)
 - Fix inconsistent offset for various time zones - always display Standard Time offset (#6531)
 - Fix dummy Message-Id when resuming a draft without Message-Id header (#6548)
 - Fix handling of empty entries in vCard import (#6564)
 - Fix bug in parsing some IMAP command responses that include unsolicited replies (#6577)
 - Fix PHP 7.2 compatibility in debug_logger plugin (#6586)
 - Fix so ANY record is not used for email domain validation, use A, MX, CNAME, AAAA instead (#6581)
 - Fix so mime_content_type check in Installer uses files that should always be available (i.e. from program/resources) (#6599)
 - Fix missing CSRF token on a link to download too-big message part (#6621)
 - Fix bug when aborting dragging with ESC key didn't stop the move action (#6623)
 
 RELEASE 1.4-beta
 ----------------
 - Added new skin with mobile support - the Elastic
 - Support Redis cache
 - Email Resent (Bounce) feature (#4985)
 - Improved Mailvelope integration
   - Added private key listing and generating to identity settings
   - Enable encrypt & sign option if Mailvelope supports it
 - Allow contacts without an email address (#5079)
 - Support SMTPUTF8 and relax email address validation to support unicode in local part (#5120)
 - Support for IMAP folders that cannot contain both folders and messages (#5057)
 - Update to jQuery-3.3.1
 - Update to jQuery-minicolors 2.2.6
 - Update to TinyMCE 4.7.13
 - Remove sample PHP configuration from .htaccess and .user.ini files (#5850)
 - Extend skin_logo setting to allow per skin logos (#6272)
 - Use Masterminds/HTML5 parser for better HTML5 support (#5761)
 - Add More actions button in Contacts toolbar with Copy/Move actions (#6081)
 - Display an error when clicking disabled link to register protocol handler (#6079)
 - Add option trusted_host_patterns (#6009, #5752)
 - Support additional connect parameters in PostgreSQL database wrapper
 - Use UI dialogs instead of confirm() and alert() where possible
 - Display value of the SMTP message size limit in the error message (#6032)
 - Show message flagged status in message view (#5080)
 - Skip redundant INSERT query on successful logon when using PHP7
 - Replace display_version with display_product_version (#5904)
 - Extend disabled_actions config so it accepts also button names (#5903)
 - Handle remote stylesheets the same as remote images, ask the user to allow them (#5994)
 - Add Message-ID to the sendmail log (#5871)
 - Add option to hide folders in share/other-user namespace or outside of the personal namespace root (#5073)
 - Archive: Fix archiving by sender address on cyrus-imap
 - Archive: Style Archive folder also on folder selector and folder manager lists
 - Archive: Add Thunderbird compatible Month option (#5623)
 - Archive: Create archive folder automatically if it's configured, but does not exist (#6076)
 - Enigma: Add button to send mail unencrypted if no key was found (#5913)
 - Enigma: Add options to set PGP cipher/digest algorithms (#5645)
 - Enigma: Multi-host support
 - Managesieve: Add ability to disable filter sets and other actions (#5496, #5898)
 - Managesieve: Add option managesieve_forward to enable settings dialog for simple forwarding (#6021)
 - Managesieve: Support filter action with custom IMAP flags (#6011)
 - Managesieve: Support 'mime' extension tests - RFC5703 (#5832)
 - Managesieve: Support GSSAPI authentication with krb_authentication plugin (#5779)
 - Managesieve: Support enabling the plugin for specified hosts only (#6292)
 - Password: Support host variables in password_db_dsn option (#5955)
 - Password: Automatic virtualmin domain setting, removed password_virtualmin_format option (#5759)
 - Password: Added password_username_format option (#5766)
 - subscriptions_option: show \\Noselect folders greyed out (#5621)
 - zipdownload: Added option to define size limit for multiple messages download (#5696)
 - vcard_attachments: Add possibility to send contact vCard from Contacts toolbar (#6080)
 - Changed defaults for smtp_user (%u), smtp_pass (%p) and smtp_port (587)
 - Composer: Fix certificate validation errors by using packagist only (#5148)
 - Add --get and --extract arguments and CACHEDIR env-variable support to install-jsdeps.sh (#5882)
 - Support _filter and _scope as GET arguments for opening mail UI (#5825)
 - Various improvements for templating engine and skin behaviours
   - Support conditional include
   - Support for 'link' objects
   - Support including files with path relative to templates directory
   - Use <button> instead of <input> for submit button on logon screen
 - Support skin localization (#5853)
 - Reset onerror on images if placeholder does not exist to prevent from requests storm
 - Unified and simplified code for loading content frame for responses and identities
 - Display contact import and advanced search in popup dialogs
 - Display a dialog for mail import with supported format description and upload size hint
 - Make possible to set (some) config options from a skin
 - Added optional checkbox selection for the list widget
 - Make 'compose' command always enabled
 - Add .log suffix to all log file names, add option log_file_ext to control this (#313)
 - Return "401 Unauthorized" status when login fails (#5663)
 - Support both comma and semicolon as recipient separator, drop recipients_separator option (#5092)
 - Plugin API: Added 'show_bytes' hook (#5001)
 - Add option to not indent quoted text on top-posting reply (#5105)
 - Removed global $CONFIG variable
 - Removed debug_level setting
 - Support AUTHENTICATE LOGIN for IMAP connections (#5563)
 - Support LDAP GSSAPI authentication (#5703)
 - Localized timezone selector (#4983)
 - Use 7bit encoding for ISO-2022-* charsets in sent mail (#5640)
 - Handle inline images also inside multipart/mixed messages (#5905)
 - Allow style tags in HTML editor on composed/reply messages (#5751)
 - Use Github API as a fallback to fetch js dependencies to workaround throttling issues (#6248)
 - Show confirm dialog when moving folders using drag and drop (#6119)
 - Fix bug where new_user_dialog email check could have been circumvented by deleting / abandoning session (#5929)
 - Fix skin extending for assets (#5115)
 - Fix handling of forwarded messages inside of a TNEF message (#5632)
 - Fix bug where attachment size wasn't visible when the filename was too long (#6033)
 - Fix checking table columns when there's more schemas/databases in postgres/mysql (#6047)
 - Fix css conflicts in user interface and e-mail content (#5891)
 - Fix duplicated signature when using Back button in Chrome (#5809)
 - Fix touch event issue on messages list in IE/Edge (#5781)
 - Fix so links over images are not removed in plain text signatures converted from HTML (#4473)
 - Fix various issues when downloading files with names containing non-ascii chars, use RFC 2231 (#5772)
 
 RELEASE 1.3.8
 -------------
 - Fix PHP warnings on dummy QUOTA responses in Courier-IMAP 4.17.1 (#6374)
 - Fix so fallback from BINARY to BODY FETCH is used also on [PARSE] errors in dovecot 2.3 (#6383)
 - Enigma: Fix deleting keys with authentication subkeys (#6381)
 - Fix invalid regular expressions that throw warnings on PHP 7.3 (#6398)
 - Fix so Classic skin splitter does not escape out of window (#6397)
 - Fix XSS issue in handling invalid style tag content [CVE-2018-19206] (#6410)
 - Fix compatibility with MySQL 8 - error on 'system' table use
 - Managesieve: Fix bug where show_real_foldernames setting wasn't respected (#6422)
 - New_user_identity: Fix %fu/%u vars substitution in user specific LDAP params (#6419)
 - Fix support for "allow-from <uri>" in "x_frame_options" config option (#6449)
 - Fix bug where valid content between HTML comments could have been skipped in some cases (#6464)
 - Fix multiple VCard field search (#6466)
 - Fix session issue on long running requests (#6470)
 
 RELEASE 1.3.7
 -------------
 - Fix PHP Warning: Use of undefined constant IDNA_DEFAULT on systems without php-intl (#6244)
 - Fix bug where some parts of quota information could have been ignored (#6280)
 - Fix bug where some escape sequences in html styles could bypass security checks
 - Fix bug where some forbidden characters on Cyrus-IMAP were not prevented from use in folder names
 - Fix bug where only attachments with the same name would be ignored on zip download (#6301)
 - Fix bug where unicode contact names could have been broken/emptied or caused DB errors (#6299)
 - Fix bug where after "mark all folders as read" action message counters were not reset (#6307)
 - Enigma: [EFAIL] Don't decrypt PGP messages with no MDC protection (#6289)
 - Fix bug where some HTML comments could have been malformed by HTML parser (#6333)
 
 RELEASE 1.3.6
 -------------
 - Fix parsing date strings (e.g. from a Date: mail header) with comments (#6216)
 - Fix PHP 7.2: count(): Parameter must be an array in enchant-based spellchecker (#6234)
 - Fix possible IMAP command injection and type juggling vulnerabilities (#6229)
 - Enigma: Fix key selection for signing
 - Enigma: Enable keypair generation on Internet Explorer 11
 - Fix check_request() bypass in places using get_uids() [CVE-2018-9846] (#6238)
 - Fix bug where usernames without domain part could be malformed or converted to lower-case on logon (#6224)
 
 RELEASE 1.3.5
 -------------
 - Managesieve: Fix bug where text: syntax was forced for strings longer than 1024 characters (#6143)
 - Managesieve: Fix missing Save button in Edit Filter Set page of Classic skin (#6154)
 - Fix duplicated labels in Test SMTP Config section (#6166)
 - Fix PHP Warning: exif_read_data(...): Illegal IFD size (#6169)
 - Enigma: Fix key generation in Safari by upgrade to OpenPGP 2.6.2 (#6149)
 - Fix security issue in remote content blocking on HTML image and style tags (#6178)
 - Added 9pt and 11pt to the list of font sizes in HTML editor
 - Fix handling encoding of HTML tags in "inline" JSON output (#6207)
 - Fix bug where some unix timestamps were not handled correctly by rcube_utils::anytodatetime() (#6212)
 
 RELEASE 1.3.4
 -------------
 - Fix bug where contacts search could skip some records (#6130)
 - Fix possible information leak - add more strict sql error check on user creation (#6125)
 - Fix a couple of warnings on PHP 7.2 (#6098)
 - Fix broken long filenames when using imap4d server - workaround server bug (#6048)
 - Fix so temp_dir misconfiguration prints an error to the log (#6045)
 - Fix untagged COPYUID responses handling - again (#5982)
 - Fix PHP warning "idn_to_utf8(): INTL_IDNA_VARIANT_2003 is deprecated" with PHP 7.2 (#6075)
 - Fix bug where Archive folder wasn't auto-created on login with create_default_folders=true
 - Fix performance issue when parsing malformed and long Date header (#6087)
 - Fix syntax error in mssql.initial.sql (#6097)
 - Fix bug where contacts export by selection returned no more than 10 entries (#6103)
 - Fix searching contacts by address in LDAP source (#6084)
 - Fix X-Frame-Options:ALLOW-FROM support, remove custom click-jacking protection (#6057)
 
 RELEASE 1.3.3
 -------------
 - Fix decoding of mailto: links with + character in HTML messages (#6020)
 - Fix false reporting of failed upgrade in installto.sh (#6019)
 - Fix file disclosure vulnerability caused by insufficient input validation [CVE-2017-16651] (#6026)
 - Fix mangled non-ASCII characters in links in HTML messages (#6028)
 
 RELEASE 1.3.2
 -------------
 - Fix bug where pink image was used instead of a thumbnail when image resize fails (#5933)
 - Fix so files size/count limit is verified (client-side) also on drag-n-drop uploads (#5940)
 - Fix invalid template loading on a message error in preview frame (#5941)
 - Fix bug where HTML messages could have been rendered empty on some systems (#5957)
 - Fix wording of "Mark previewed messages as read" to "Mark messages as read" (#5952)
 - Enigma: Fix decryption of messages encoded with non-ascii charset (#5962)
 - Fix missing cursor in HTML editor on mail reply (#5969)
 - Fix (again) bug where image data URIs in css style were treated as evil/remote in mail preview (#5580)
 - Fix bug where mail search could return empty result on servers without SORT capability (#5973)
 - Fix bug where assets_path wasn't added to some watermark frames
 - Fix so untagged COPYUID responses are also supported according to RFC6851 (#5982)
 - Fix issue caused by non-default session.cookie_lifetime setting (#5961)
 - Fix Edge encoding bug when pasting text into the HTML editor, update to TinyMCE 4.5.8 (#5885)
 - Fix handling of unknown Content-Disposition type (#6002)
 - Fix truncated folder name on messages list in multi-folder mode, for folders with non-ascii characters (#6004)
 - Fix bug where removing the last subfolder did not hide toggle button on its parent record (#6007)
 - Fix bug where ghost messages could be added to the list after fast delete (#5941)
 
 RELEASE 1.3.1
 -------------
 - Add Preferences > Mailbox View > Main Options > Layout (#5829)
 - Password: Fix compatibility with PHP 7+ in cpanel_webmail driver (#5820)
 - Managesieve: Fix parsing dot-staffed lines in multiline text (#5838)
 - Managesieve: Fix AM/PM suffix in vacation time selectors
 - Managesieve: Fix bug where 'exists' operator was reset to 'contains' (#5899)
 - Remove non-printable characters from filenames on download/display (#5880)
 - Fix decoding non-ascii attachment names from TNEF attachments (#5646, #5799)
 - Fix uninitialized string offset in rcube_utils::bin2ascii() and make sure rcube_utils::random_bytes() result has always requested length (#5788)
 - Fix bug where HTML messages with @media styles could moddify style of page body (#5811)
 - Fix style issue on selected and unfocused message that is part of a thread (#5798)
 - Fix bug where a.button style from managesieve plugin could impact other elements (#5800)
 - Fix position of selected icon for (Mailvelope) Encrypt button
 - Fix fatal error when using DMY- or MDY-based date format in PostgreSQL (#5808)
 - Fix bug where errors were not printed when using bin/update.sh (#5834)
 - Fix PHP 7.2 warnings on count() use (#5845)
 - Fix bug where Chrome could not upload the same file that was selected before (#5854)
 - Fix duplicate messages on the list after deleting messages on the next to the last page (#5862)
 - Fix bug where messages count was not updated after delete when imap_cache is set (#5872)
 - Fix potential XSS vulnerability with malformed HTML message markup
 - Fix sending message with "Too many public recipients" dialog buttons (#5924)
 - Bring back double-click behavior on the message list which was removed in 1.3.0 (#5823)
 - Enigma: Fix decrypting an encrypted+signed message when signature verification fails (#5914)
 
 RELEASE 1.3.0
 -------------
 - Update to TinyMCE 4.5.7
 - Fix bug where invalid recipients could be silently discarded (#5739)
 - Fix conflict with _gid cookie of Google Analytics (#5748)
 - Print error from CLI scripts when system/exec function is disabled (#5744)
 - Fix bug where comment notation within style tag would cause the whole style to be ignored (#5747)
 - Fix bug where it wasn't possible to scroll folders list in Edge (#5750)
 - Fix folders list sorting on Windows - if php-intl is available (#5732)
 - Fix addressbook searching by gender (#5757)
 - Fix prevention from using % and * characters in folder name (#5762)
 - Fix POST parameter reflection in default_charset selector (#5768)
 - Enigma: Fix compatibility with assets_dir
 - Managesieve: Skip redundant LISTSCRIPTS command
 - Fix SQL syntax error on MariaDB 10.2 (#5774)
 - Fix bug where zipdownload ignored files with the same name (#5777)
 - Fix bug where it wasn't possible to set timezone to auto-detected value (#5782)
 
 RELEASE 1.3-rc
 --------------
 - "Flattened" the larry theme: fresher look by removing shadows and gradients
 - Support logging to php://stdout (#5721)
 - Add support for DelSp=Yes in format=flowed messages (#5702)
 - Update to jQuery 3.2.1
 - Update to TinyMCE 4.5.6
 - Plugin API: Call message_part_structure hook for sub-parts of multipart/alternative message (#5678)
 - Enigma: Always use detached signatures (#5624)
 - Enigma: Fix handling of messages with nested PGP encrypted parts (#5634)
 - Minimize unwanted message loading in preview frame on drag (#5616)
 - Fix failing database schema check in all engines except mysql (#5730)
 - Fix autocomplete popup closing with click outside the input, don't handle Tab key as Enter (#5606)
 - Fix jsdeps.json synchronization on update, warn about missing requirements of install-jsdeps.sh (#5598)
 - Fix missing thread expand icon on search result in widescreen mode (#5613)
 - Fix bug where image data URIs in css style were treated as evil/remote in mail preview (#5580)
 - Fix bug where external content in src attribute of input/video tags was not secured (#5583)
 - Fix PHP error on update of a contact with multiple email addresses when using PHP 7.1 (#5587)
 - Fix bug where mail content frame couldn't be reset in some corner cases (#5608)
 - Fix bug where some classic skin images were not displayed in IE/Edge (#5614)
 - Fix bug where signature couldn't be added above the quote in Firefox 51 (#5628)
 - Fix regression where groups with email address were resolved to its members' addresses
 - Fix update of group name in the contacts list header on group rename (#5648)
 - Add rewrite rule to disable access to /vendor/bin folder in .htaccess (#5630)
 - Fix bug where it was too easy accidentally move a folder when using the subscription checkbox (#5655)
 - Managesieve: Fix parser issue with empty lines between comments (#5657)
 - Managesieve: Fix possible defect in handling \r\n in scripts (#5685)
 - Fix/rephrase "unsaved changes" warning when cancelling a draft (#5610)
 - Fix XSS issue in handling of a style tag inside of an svg element [CVE-2017-6820]
 - Fix bug where settings/upload.inc could not be used by plugins (#5694)
 - Fix regression in LDAP fuzzy search where it always used prefix search instead (#5713)
 - Fix bug where namespace prefix could not be truncated on folders list if show_real_foldernames=true (#5695)
 - Fix undesired effects when postgres database uses different timezone than PHP host (#5708)
 - Installer: Fix DB schema initialization on MS SQL Server
 - Fix bug where base_dn setting was ignored inside group_filters (#5720)
 - Password: Fix security issue in virtualmin and sasl drivers [CVE-2017-8114]
 
 RELEASE 1.3-beta
 ----------------
 - Nicely handle contact deletion on contact edit (#5522)
 - vcard_attachments: Add possibility to attach contact vCard to composed message (#4997)
 - Preserve message internal/received date on import in mbox format (#5559)
 - Zipdownload: Fix date format in mbox "From line"
 - Possibility to display QR code for contacts data (#5030)
 - Added identicon plugin
 - Widescreen layout aka three column view (#5093)
 - Unify automatic marking as \Seen in preview pane, full-page and extwin views (#5071)
 - Disable double-click on the list when preview pane is on (#5199)
 - Support hostname and hostname:port in force_https option (#5511)
 - Support ALLOW-FROM in x_frame_options (#5122)
 - Allow to omit a subject when sending an email (#5068)
 - Warn about too many disclosed recipients in composed email [max_disclosed_recipients] (#5132)
 - identity_select: Support Received header (#5085)
 - Plugin API: Added get_compose_responses hook (#5457)
 - Display error when trying to upload more files than specified in max_file_uploads (#5483)
 - Add missing sql upgrade file for 'ip' column resize in session table (#5465)
 - Do not show inline images of unsupported mimetype (#5463)
 - Password: Added replacement variables support in password_pop_host (#5539)
 - Password: Don't store passwords in temp files when using dovecotpw (#5531)
 - Password: Added LDAP PPolicy driver (#5364)
 - Password: Added cpanel_webmail driver (#5549)
 - Password: Added possibility to nicely redirect from other plugins on password expiration (#5468)
 - Implement separate action to mark all messages in a folder as \Seen (#5006)
 - Implement marking as \Seen in all folders or in a folder and its subfolders (#5076)
 - Archive: Don't reload messages list when it's not needed (#5225)
 - Archive: Add option to automatically mark archived messages as \Seen (#5142)
 - Improve randomness of password salts and random hashes (#5266)
 - Password/cPanel: Add support for hash authentication and reseller accounts (#5252)
 - Support host-specific imap_conn_options/smtp_conn_options/managesieve_conn_options (#5136)
 - Center and scale images in attachment preview frame (#5421)
 - Added max_message_size option enforced when attaching files to a composed message (#4993)
 - Added Search button in quick search menus (#5312)
 - Implement "one click" attachment/messages/photo upload (#5024)
 - Squirrelmail_usercopy: Add option to define character set of data files
 - Removed useless 'created' column from 'session' table (#5389)
 - Dropped legacy browsers support (#5167)
     - Removed legacy_browser plugin
     - Removed hacks for IE < 10
     - Update to jQuery 3.1.1 and jQuery-UI 1.12.0
     - compile .min.js files with ECMASCRIPT5 option
 - Require PHP >= 5.4
 - Add possibility to preview and download attachments in mail compose (#5053)
 - Add possibility to rename attachments in mail compose (#4996)
 - Remove backward compatibility "layer" of bc.php (#4902)
 - Support WEBP images in mail messages (#5362)
 - Support MathML in HTML message preview (#5182)
 - Rename Addressbook to Contacts (#5233)
 - Remove PHP mail() support, smtp_server is required now (#5340)
 - Display full message subject in onmouseover on truncated subject in mail view (#5346)
 - Enigma: Support GnuPG 2.1 (#5313)
 - Enigma: Support key generation for multiple identities (#5383)
 - Enigma: Import keys from key-server(s) (#5286)
 - Enigma: Search missing public keys on a key-server in mail compose (#5286)
 - Enigma: Delete user keys when using deluser.sh script
 - Enigma: Fix redundant list-secret-keys/list-public-keys calls on signing/encryption
 - Enigma: Implement PGP encryption and signing in one go (#5302)
 - Enigma: Display signature verification status for encrypted+signed messages (#5302)
 - Display different attachment icon on encrypted messages
 - Display different confirmation text when moving messages to Trash (#5220)
 - Indicate that a collapsed thread has flagged children (#5013)
 - Implemented message/rfc822 attachment preview
 - Update to jsTimezoneDetect 1.0.6
 - Managesieve: Add (optional) RAW script editor (#5414)
 - Managesieve: Add option to automatically set vacation :from address (#5428)
 - Managesieve: Support 'string' test from variables extension [RFC 5229] (#5248)
 - Managesieve: Support 'duplicate' extension [RFC 7352]
 - Managesieve: Unhide advanced rule controls if there are inputs with errors
 - Managesieve: Display warning message when filter form contains errors
 - Control search engine crawlers via X-Robots-Tag header instead of <meta> and robots.txt (#5098)
 - Fixed redundancy in sql caching system and compatibility with Galera Cluster (#5439)
     - Removed redundant 'created' column from cache and cache_shared tables
     - Removed use of redundant data records
     - Added missing primary keys (dictionary, cache, cache_shared tables)
 - Fix so templating system does not mess with external (e.g. email) content (#5499)
 - Fix redundant keep-alive/refresh after session error on compose page (#5500)
 - Managesieve: Fix handling of scripts with nested rules (#5540)
 - Fix variable substitution in ldap host for some use-cases, e.g. new_user_identity (#5544)
 - Enigma: Fix PHP fatal error when decrypting a message with invalid signature (#5555)
 - Fix adding images to new identity signatures
 - Fix rsync error handling in installto.sh script (#5562)
 - Fix some advanced search issues with multiple addressbooks (#5572)
 - Fix so group/addressbook selection is retained on page refresh
 
 RELEASE 1.2.3
 -------------
 - Searching in both contacts and groups when LDAP addressbook with group_filters option is used
 - Fix vulnerability in handling of mail()'s 5th argument
 - Fix To: header encoding in mail sent with mail() method (#5475)
 - Fix flickering of header topline in min-mode (#5426)
 - Fix bug where folders list would scroll to top when clicking on subscription checkbox (#5447)
 - Fix decoding of GB2312/GBK text when iconv is not installed (#5448)
 - Fix regression where creation of default folders wasn't functioning without prefix (#5460)
 - Enigma: Fix bug where last records on keys list were hidden (#5461)
 - Enigma: Fix key search with keyword containing non-ascii characters (#5459)
 - Fix bug where deleting folders with subfolders could fail in some cases (#5466)
 - Fix bug where IMAP password could be exposed via error message (#5472)
 - Fix bug where it wasn't possible to store more that 2MB objects in memcache/apc,
   Added memcache_max_allowed_packet and apc_max_allowed_packet settings (#5452)
 - Fix "Illegal string offset" warning in rcube::log_bug() on PHP 7.1 (#5508)
 - Fix storing "empty" values in rcube_cache/rcube_cache_shared (#5519)
 - Fix missing content check when image resize fails on attachment thumbnail generation (#5485)
 - Fix displaying attached images with wrong Content-Type specified (#5527)
 
 RELEASE 1.2.2
 -------------
 - Enigma: Add possibility to configure gpg-agent binary location (enigma_pgp_agent)
 - Enigma: Fix signature verification with some IMAP servers, e.g. Gmail, DBMail (#5371)
 - Enigma: Make recipient key searches case-insensitive (#5434)
 - Fix regression in resizing JPEG images with Imagick (#5376)
 - Managesieve: Fix parsing of vacation date-time with non-default date_format (#5372)
 - Use SymLinksIfOwnerMatch in .htaccess instead of FollowSymLinks disabled on some hosts for security reasons (#5370)
 - Wash position:fixed style in HTML mail for better security (#5264)
 - Fix bug where memcache_debug didn't work for session operations
 - Fix bug where Message-ID domain part was tied to username instead of current identity (#5385)
 - Fix bug where blocked.gif couldn't be attached to reply/forward with insecure content
 - Fix E_DEPRECATED warning when using Auth_SASL::factory() (#5401)
 - Fix bug where names of downloaded files could be malformed when derived from the message subject (#5404)
 - Fix so "All" messages selection is resetted on search reset (#5413)
 - Fix bug where folder creation could fail if personal namespace contained more than one entry (#5403)
 - Fix error causing empty INBOX listing in Firefox when using an URL with user:password specified (#5400)
 - Fix PHP warning when handling shared namespace with empty prefix (#5420)
 - Fix so folders list is scrolled to the selected folder on page load (#5424)
 - Fix so when moving to Trash we make sure the folder exists (#5192)
 - Fix displaying size of attachments with zero size
 - Fix so "Action disabled" error uses more appropriate 404 code (#5440)
 
 RELEASE 1.2.1
 -------------
 - Update TinyMCE to version 4.3.13 (#5309)
 - Fix bug where errors could have been not logged when per_user_logging=true
 - Fix bug where message list columns could be in wrong order after column drag-n-drop and list sorting
 - Fix so minified publickey.js (with cache-buster) is used when available (#5254)
 - Fix (replace) application/x-tar file extension test as it might not exist in nginx config (#5253)
 - Fix PHP warning when password_hosts is set, but is not an array (#5260)
 - Fix redundant keep-alive requests when session_lifetime is greater than ~20000 (#5273)
 - Fix so subfolders of INBOX can be set as Archive (#5274)
 - Fix bug where multi-folder search could choose a wrong folder in "this and subfolders" scope (#5282)
 - Fix bug where multi-folder search didn't work for unsubscribed INBOX (#5259)
 - Fix bug where "no body" alert could be displayed when sending mailvelope email
 - Enigma: Fix keys import from inside of an encrypted message (#5285)
 - Enigma: Fix malformed signed messages with force_7bit=true (#5292)
 - Enigma: Add possibility to configure gpg binary location (enigma_pgp_binary)
 - Enigma: Add possibility to export private keys (#5321)
 - Fix searching by email address in contacts with multiple addresses (#5291)
 - Fix handling of --delete argument in moduserprefs.sh script (#5296)
 - Workaround PHP issue by calling closelog() on script shutdown when using log_driver=syslog (#5289)
 - Fix so upgrade script makes sure program/lib directory does not contain old libraries (#5287)
 - Fix subscription checkbox state on error in folder subscribe/unsubscribe action (#5243)
 - Fix bug where microsecond format in logged date didn't work in some cases
 - Fix conflict in new_user_dialog and password_force_new_user settings (#5275)
 - Don't create multipart/alternative messages with empty text/plain part (#5283)
 - Use contact_search_name format in popup on results in compose contacts search
 - Fix handling of 'mailto' and 'error' arguments in message_before_send hook (#5347)
 - Fix missing localization of HTML editor when assets_dir != INSTALL_PATH
 - Fix handling of blockquote tags with mixed case on html2text conversion (#5363)
 - Fix javascript errors in IE on page with iframe that points to another domain
 
 RELEASE 1.2.0
 -------------
 - Enigma: Added enigma_debug option
 - Fix message list multi-select/deselect issue (#5219)
 - Fix bug where getting HTML editor content could steal focus from other form controls (#5223)
 - Fix bug where contact search menu fields where always unchecked in Larry skin
 - Fix autoloading of 'html' class
 - Fix bug where Encrypt button appears when switching editor to HTML (#5235)
 - Fix XSS issue in href attribute on area tag (#5240)
 
 RELEASE 1.2-rc
 --------------
 - Managesieve: Refactored script parser to be 100x faster
 - Enigma: added option to force users to use signing/encryption
 - Enigma: Added option to attach public keys to sent mail (#5152)
 - Enigma: Handle messages with text before an encrypted block (#5149)
 - Enigma: Handle encrypted/signed content inside message/rfc822 attachments
 - Enigma: Fix missing html/plain switch on multipart/signed messages (#4963)
 - Enigma: Disable format=flowed for signed plain text messages (#4960)
 - Enigma: Fix handling of encrypted + signed messages (#4950)
 - Enigma: Fix invalid boundary use in signed messages structure
 - Enable use of TLSv1.1 and TLSv1.2 for IMAP (#4955)
 - Save copy of original .htaccess file when using installto.sh script (#4947)
 - Fix regression where some message attachments could be missing on edit/forward (#4939)
 - Fix regression in displaying contents of message/rfc822 parts (#4937)
 - Fix handling of message/rfc822 attachments on replies and forwards (#4938)
 - Fix PDF support detection in Firefox > 19 (#4941)
 - Fix path traversal vulnerability in setting a skin [CVE-2015-8770] (#4945)
 - Fix so drag-n-drop of text (e.g. recipient addresses) on compose page actually works (#4944)
 - Fix .htaccess rewrite rules to not block .well-known URIs (#4943)
 - Fix mail view scaling on iOS (#4915)
 - Fix PHP7 warning "session_start(): Session callback expects true/false return value" (#4948)
 - Fix XSS issue in SVG images handling [CVE-2015-8864, CVE-2016-4068] (#4949)
 - Fix missing language name in "Add to Dictionary" request in HTML mode (#4951)
 - Fix (again) security issue in DBMail driver of password plugin [CVE-2015-2181] (#4958)
 - Fix bug where Archive/Junk buttons were not active after page jump with select=all mode (#4961)
 - Fix bug in long recipients list parsing for cases where recipient name contained @-char (#4964)
 - Plugin API: Added addressbook_export hook
 - Fix additional_message_headers plugin compatibility with Mail_Mime >= 1.9 (#4966)
 - Hide DSN option in Preferences when smtp_server is not used (#4967)
 - Fix handling of body parameter in mail compose request
 - Protect download urls against CSRF using unique request tokens [CVE-2016-4069] (#4957)
 - newmail_notifier: Refactor desktop notifications
 - Fix so contactlist_fields option can be set via config file
 - Fix so SPECIAL-USE assignments are forced only until user sets special folders (#4782)
 - Fix performance in reverting order of THREAD result
 - Fix converting mail addresses with @www. into mailto links (#5197)
 
 RELEASE 1.2-beta
 ----------------
 - Update TinyMCE to version 4.2
 - Added support for Redis session handler
 - Removed some deprecated methods: https://github.com/roundcube/roundcubemail/commit/454b0b1c
 - Remove backward compatibility "layer" of bc.php (#4902)
 - Add possibility to define date format in write operations for ldap attributes (#3956)
 - Display attachment size in compose (#1329)
 - Added possibility to drag-n-drop attachments from mail preview to compose window
 - Implemented mail messages searching with predefined date interval
 - PGP encryption support via Mailvelope integration
 - PGP encryption support via Enigma plugin
 - PHP7 compatibility fixes (#4836)
 - Security: Added brute-force attack prevention via login rate limit (#4922)
 - Security: Added options to validate username/password on logon (#4884)
 - Security: Improve randomness of security tokens (#4899)
 - Security: Use random security tokens instead of hashes based on encryption key (#4829)
 - Security: Improved encrypt/decrypt methods with option to choose the cipher_method (#4492)
 - Make optional adding of standard signature separator - sig_separator (#3276)
 - Optimize folder_size() on Cyrus IMAP by using special folder annotation (#4894)
 - Make optional hidding of folders with name starting with a dot - imap_skip_hidden_folders (#4870)
 - Add option to enable HTML editor always, except when replying to plain text messages (#4352)
 - Emoticons: Added option to switch on/off emoticons in compose editor (#2076)
 - Emoticons: Added option to switch on/off emoticons in plain text messages
 - Emoticons: All emoticons-related functionality is handled by the plugin now
 - Installer: Add button to save generated config file in system temp directory (#3553)
 - Remove common subject prefixes Re:, Re[x]:, Re-x: on reply (#4882)
 - Added GSSAPI/Kerberos authentication plugin - krb_authentication
 - Password: Allow temporarily disabling the plugin functionality with a notice
 - Require Mbstring and OpenSSL extensions (#5166)
 - Add --config and --type options to moduserprefs.sh script (#4651)
 - Implemented memcache_debug and apc_debug options
 - Installer: Remove system() function use (#4695)
 - Password plugin: Added 'kpasswd' driver by Peter Allgeyer
 - Add initdb.sh to create database from initial.sql script with prefix support (#4722)
 - Plugin API: Added disabled_plugins an disabled_buttons options in html_editor hook
 - Plugin API: Added html2text hook
 - Plugin API: Added message_part_body hook
 - Plugin API: Added message_ready hook
 - Plugin API: Add special onload() method to execute plugin actions before startup (session and GUI initialization)
 - Implemented UI element to jump to specified page of the messages list (#1677)
 - Fix searching of contacts to allow remote images for known senders (#4886)
 - Fix bug where clicking date column with 'arrival' sorting would switch to sorting by 'date' (#4690)
 - Fix bug where message content could overlap attachments list in Larry skin (#4876)
 - Fix so microseconds macro (u) in log_date_format works (#4855)
 - Fix so unrecognized TNEF attachments are displayed on the list of attachments (#5138)
 - Fix so database_attachments::cleanup() does not remove attachments from other sessions (#4907)
 - Fix responses list update issue after response name change (#4917)
 - Fix bug where message preview was unintentionally reset on check-recent action (#4921)
 - Fix bug where HTML messages with invalid/excessive css styles couldn't be displayed (#4905)
 - Fix redundant blank lines when using HTML and top posting (#4927)
 - Fix redundant blank lines on start of text after html to text conversion (#4928)
 - Fix HTML sanitizer to skip <!-- node type X --> in output (#4932)
 - Fix invalid LDAP query in ACL user autocompletion (#4934)
 
 RELEASE 1.1.3
 -------------
 - Fix closing of nested menus (#4854)
 - Fix so E_DEPRECATED errors from PEAR libs are ignored by error_reporting change (#4770)
 - Fix compatibility with PHP 5.3 in rcube_ldap class (#4842)
 - Get rid of Mail_mimeDecode package dependency (#4836)
 - Fix "Importing..." message does not hide on error (#4840)
 - Fix Compose action in addressbook for results from multiple addressbooks (#4834)
 - Fix bug where some messages in multi-folder search couldn't be viewed/printed/downloaded (#4843)
 - Fix unintentional messages list page change on page switch in compose addressbook (#4844)
 - Fix race-condition in saving user preferences and loading plugin config (#4845)
 - Fix so plain text signature field uses monospace font (#4848)
 - Fix so links with href == content aren't added to links list on html to text conversion (#4847)
 - Fix handling of non-break spaces in html to text conversion (#4849)
 - Fix self-reply detection issues (#4852)
 - Fix multi-folder search result sorting by arrival date (#4858)
 - Fix so *-request@ addresses in Sender: header are also ignored on reply-all (#4860)
 - Update to TinyMCE 4.1.10 (#5164)
 - Fix draft removal after a message is sent and storing sent message is disabled (#4869)
 - Fix so imap folder attribute comparisons are case-insensitive (#4868)
 - Fix bug where new messages weren't added to the list in search mode
 - Fix wrong positioning of message list header on page scroll in Webkit browsers (#4646)
 - Fix some javascript errors in rare situations (#4853)
 - Fix error when using back button after sending an email (#4628)
 - Fix removing signature when switching to identity with an empty sig in HTML mode (#4872)
 - Disable links list generation on html-to-text conversion of identities or composed message (#4850)
 - Fix "washing" of style elements wrapped into many lines
 - Fix so input field (e.g. search box) does not loose focus on list load (#4862)
 - Fix so css of one html part does not apply to other text parts on message display (#4887)
 - Fix XSS issue in drag-n-drop file uploads [CVE-2015-8105] (#4900)
 - Fix handling of plus character in mailto: links (#4891)
 - Fix so adding CC/BCC recipients from the sidebar unhides compose form fields in Classic skin (#4874)
 - Fix so gc.sh script removes also expired sessions from sql database (#4893)
 - Fix support for Mozilla-based browsers, e.g. Pale Moon (#4895)
 - Fix various issues with Turkish (and similar) locales (#4896)
 - Fix so In-Reply-To header is set also for MDN receipts (#4897)
 - Fix missing HTTP_X_FORWARDED_FOR address in generated Received header
 - Fix issue where Content-Length of some attachments could be set to wrong value causing browser errors (#4877)
 
 RELEASE 1.1.2
 -------------
 - Add new plugin hook 'identity_create_after' providing the ID of the inserted identity (#4807)
 - Add option to place signature at bottom of the quoted text even in top-posting mode [sig_below]
 - Fix handling of %-encoded entities in mailto: URLs (#4799)
 - Fix zipped messages downloads after selecting all messages in a folder (#4797)
 - Fix vpopmaild driver of password plugin
 - Fix PHP warning: Non-static method PEAR::setErrorHandling() should not be called statically (#4798)
 - Fix tables listing routine on mysql and postgres so it skips system or other database tables and views (#4796)
 - Fix message list header in classic skin on window resize in Internet Explorer (#4732)
 - Fix so text/calendar parts are listed as attachments even if not marked as such (#4795)
 - Fix lack of signature separator for plain text signatures in html mode (#4802)
 - Fix font artifact in Google Chrome on Windows (#4803)
 - Fix bug where forced extwin page reload could exit from the extwin mode (#4801)
 - Fix bug where some unrelated attachments in multipart/related message were not listed (#4805)
 - Fix mouseup event handling when dragging a list record (#4808)
 - Fix bug where preview_pane setting wasn't always saved into user preferences (#4809)
 - Fix bug where messages count was not updated after message move/delete with skip_deleted=false (#4814)
 - Fix security issue in contact photo handling (#4817)
 - Fix possible memcache/apc cache data consistency issues (#4820)
 - Fix bug where imap_conn_options were ignored in IMAP connection test (#4822)
 - Fix bug where some files could have "executable" extension when stored in temp folder (#4815)
 - Fix attached file path unsetting in database_attachments plugin (#4823)
 - Fix issues when using moduserprefs.sh without --user argument (#4825)
 - Fix potential info disclosure issue by protecting directory access (#4816)
 - Fix blank image in html_signature when saving identity changes (#4833)
 - Installer: Use openssl_random_pseudo_bytes() (if available) to generate des_key (#4827)
 - Fix XSS vulnerability in _mbox argument handling (#4837)
 
 RELEASE 1.1.1
 -------------
 - ACL: Allow other plugins to adjust the list of permissions and groups to edit
 - Add possibility to print contact information (of a single contact)
 - Add possibility to configure max_allowed_packet value for all database engines (#4772)
 - Improved handling of storage errors after message is sent
 - Update to TinyMCE 4.1.9
 - Unified request* event arguments handling, added support for _unlock and _action parameters
 - Security: Generate random hash for the per-user local storage prefix (#4768)
 - Fix refreshing of drafts list when sending a message which was saved in meantime (#4745)
 - Fix saving/sending emoticon images when assets_dir is set
 - Fix PHP fatal error when visiting Vacation interface and there's no sieve script yet (#4778)
 - Fix setting max packet size for DB caches and check packet size also in shared cache
 - Fix needless security warning on BMP attachments display (#4771)
 - Fix handling of some improper constructs in format=flowed text as per the RFC3676[4.5] (#4773)
 - Fix performance of rcube_db_mysql::get_variable()
 - Fix missing or not up-to-date CATEGORIES entry in vCard export (#4766)
 - Fix fatal errors on systems without mbstring extension or mb_regex_encoding() function (#4769)
 - Fix cursor position on reply below the quote in HTML mode (#4759)
 - Fix so "over quota" errors are displayed also in message compose page
 - Fix duplicate entries suppression in autocomplete result (#4776)
 - Fix "Non-static method PEAR::isError() should not be called statically" errors (#4770)
 - Fix parsing invalid HTML messages with BOM after <!DOCTYPE> (#4777)
 - Fix duplicate entry on timezones list in rcube_config::timezone_name_from_abbr() (#4779)
 - Fix so localized folder name is displayed in multi-folder search result (#4750)
 - Fix javascript error after creating a folder which is a subfolder of another one (#4781)
 - Fix bug where subject of sent/saved message was removed if mbstring wasn't installed (#4780)
 - Fix missing vcard_attachment icon on messages list (#4783)
 - Fix storing signatures with big images in MySQL database (#4785)
 - Fix Opera browser detection in javascript (#4786)
 - Fix so search filter, scope and fields are reset on folder change
 - Fix rows count when messages search fails (#4760)
 - Fix bug where spellchecking in HTML editor do not work after switching editor type more than once (#4789)
 - Fix bug where TinyMCE area height was too small on slow network connection (#4788)
 - Fix backtick character handling in sql queries (#4790)
 - Fix redirect URL for attachments loaded in an iframe when behind a proxy (#4724)
 - Fix menu container references to point to the actual <ul> element (#4791)
 - Fix javascripts errors in IE8 - lack of Event.which, focusing a hidden element (#4793)
 
 RELEASE 1.1.0
 -------------
 - Make SMTP error log more verbose - include server response and error code
 - Fix download options menu (added by zipdownload plugin) in classic skin (#4740)
 - Fix blocked.gif image usage with assets_dir set
 - Fix bug where max_group_members was ignored when adding a new contact (#4733)
 - Hide MDN and DSN options in compose if disabled by admin (#4735)
 - Fix checks based on window.ActiveXObject in IE > 10
 - Fix XSS issue in style attribute handling [CVE-2015-1433] (#4739)
 - Fix bug where Drafts list wasn't updated on draft-save action in new window (#4737)
 - Fix so "set as default" option is hidden if identities_level > 1 (#4738)
 - Fix bug where search was reset after returning from compose visited for reply
 - Fix javascript error in "IE 8.0/Tablet PC" browser (#4730)
 - Fix bug where Reply-To address was ignored on reply to messages sent by self (#4742)
 - Fix bug where empty fieldmap config entries caused empty results of ldap search (#4741)
 - Fix bug where drafts list wasn't refreshed after draft message was sent from another window (#4745)
 - Fix keyboard navigation and css in datepicker widget across many Firefox versions
 - Fix false warning when opening attached text/plain files (#4748)
 - Fix bug where signature could have been inserted twice after plain-to-html switch (#4746)
 - Fix security issue in DBMail driver of password plugin (#4757)
 - Enable FollowSymLinks option in .htaccess file which is required by rewrite rules (#4754)
 - Fix so JSON.parse() errors on localStorage items are ignored (#4752)
 
 RELEASE 1.1-rc
 --------------
 - Update jQuery to version 2.1.3
 - Allow to override any config option through env variables
 - Improve system security by using optional special URL with security token - use_secure_urls
 - Allow to define separate server/path for image/js/css files - assets_url/assets_dir
 - Sync vendor folder if exists in source package (#4700)
 - Avoid useless reloading list when resetting search with active filter (#4654)
 - Fix invalid folder selection if clicked while busy (#4709)
 - Fix import of multiple contact email addresses from Outlook-csv format (#4714)
 - Fix drag-n-drop to folders expanded while dragging (#4708)
 - Fix import of multiple contact groups from Google-csv format (#4710)
 - Fix import of contacts with multiple email addresses from Google-csv format (#4719)
 - Fix bugs where CSRF attacks were still possible on some requests [CVE-2014-9587]
 - Fix some rcube_utils::anytodatetime() corner cases with timezone mismatches (#4712)
 - Improve move-to and contact-export button in classic skin (#4713)
 - Fix wrong icon for download button in classic skin
 - Fix bug where sent message was saved in Sent folder even if disabled by user (#4729)
 
 RELEASE 1.1-beta
 ----------------
 - Fix skin path handling in plugin context (#4111)
 - Prevent memory exhaustion on image resizing with GD on Windows (#4580)
 - Add plugin hook for database table name lookups as requested in #4538
 - Added Oracle database support
 - Support contacts import in GMail CSV format
 - Added namespace filter in Folder Manager
 - Added folder searching in Folder Manager
 - Fix restoring draft messages from localStorage if editor mode differs (#4631)
 - Added config option/user preference to disable saving messages in localStorage (#4606)
 - Added config option 'imap_log_session' to enable Roundcube <-> IMAP session ID logging
 - Added config option 'log_session_id' to control the length of the session identifier in logs
 - Implemented 'storage_connected' API hook after successful IMAP login (#4638)
 - Intergrate Net_LDAP3 and rcube_ldap_generic classes
 - Add option (disabled_actions) to disable UI elements/actions (#4478)
 - Support password encryption using openssl extension (#4614)
 - Create/rename groups in UI dialogs (#4592)
 - Added 'contact_search_name' option to define autocompletion entry format
 - Display quota information for current folder not INBOX only (#3442)
 - Support images in HTML signatures (#3917)
 - Display full quota information in popup (#2103, #2746)
 - Mail compose: Selecting contact inserts recipient to previously focused input - to/cc/bcc accordingly (#4487)
 - Close "no subject" prompt with Enter key (#4463)
 - Password: Add option to force new users to change their password (#2963)
 - Improve support for screen readers and assistive technology using WCAG 2.0 and WAI ARIA standards
 - Enable basic keyboard navigation throughout the UI (#3333)
 - Select/scroll to previously selected message when returning from message page (#4146)
 - Display a warning if popup window was blocked (#4472)
 - Remove (was: ...) from message subject on reply (#4359)
 - Update to TinyMCE 4.1 (#4168)
 - Enable autolink plugin in TinyMCE (#4029)
 - Support image operations with Imagick extension (#4498)
 - Support upload progress with session.upload_progress and PECL uploadprogress module (#3934)
 - Make identity name field optional (#4435)
 - Utility script to remove user records from the local database
 - Plugin API: Added message_saved hook (#4503)
 - Plugin API: Added imap_search_before hook
 - Support messages import from zip archives
 - Zipdownload: Added mbox format support (#2354)
 - Drop support for IE6, move IE7/IE8 support to legacy_browser plugin
 - Update to jQuery-2.1.1
 - Search across multiple folders (#1676)
 - Improve UI integration of ACL settings
 - Drop support for PHP < 5.3.7
 - Set In-Reply-To and References for forwarded messages (#4465)
 - Removed redundant default_folders config option (#4500)
 - Implemented IMAP SPECIAL-USE extension support [RFC6154] (#3326)
 - Optimize some framed pages content for better performance (#4517)
 - Improve text messages display and conversion to HTML (#4091)
 - Don't remove links when html signature is converted to text (#4473)
 - Fix page title when using search filter (#4636)
 - Fix mbox files import
 - Fix some character sets detection (#4694)
 - Fix so attachment charset is set in headers of forward/draft message (#4676)
 - Fix bug where wrong charset could be used for text attachment preview page (#4674)
 
 RELEASE 1.0.5
 -------------
 - Fix wrong icon for download button in classic skin
 - Fix checks based on window.ActiveXObject in IE > 10
 - Fix XSS issue in style attribute handling (#4739)
 - Fix bug where Drafts list wasn't updated on draft-save action in new window (#4737)
 - Fix so "set as default" option is hidden if identities_level > 1 (#4738)
 - Fix javascript error in "IE 8.0/Tablet PC" browser (#4730)
 - Fix bug where empty fieldmap config entries caused empty results of ldap search (#4741)
 - Fix bug where sent message was saved in Sent folder even if disabled by user (#4729)
 
 RELEASE 1.0.4
 -------------
 - Disable TinyMCE contextmenu plugin as there are more cons than pros in using it (#4684)
 - Fix bug where show_real_foldernames setting wasn't honored on compose page (#4705)
 - Fix issue where Archive folder wasn't protected in Folder Manager (#4706)
 - Fix compatibility with PHP 5.2. in rcube_imap_generic (#4682)
 - Fix setting flags on servers with no PERMANENTFLAGS response (#4667)
 - Fix regression in SHAA password generation in ldap driver of password plugin (#4670)
 - Fix displaying of HTML messages with absolutely positioned elements in Larry skin (#4672)
 - Fix font style display issue in HTML messages with styled <span> elements (#4671)
 - Fix download of attachments that are part of TNEF message (#4668)
 - Fix handling of uuencoded messages if messages_cache is enabled (#4675)
 - Fix handling of base64-encoded attachments with extra spaces (#4678)
 - Fix handling of UNKNOWN-CTE response, try do decode content client-side (#4650)
 - Fix bug where creating subfolders in shared folders wasn't possible without ACL extension (#4680)
 - Fix reply scrolling issue with text mode and start message below the quote (#4681)
 - Fix possible issues in skin/skin_path config handling (#4689)
 - Fix lack of delimiter for recipient addresses in smtp_log (#4703)
 - Fix generation of Blowfish-based password hashes (#4721)
 - Fix bugs where CSRF attacks were still possible on some requests [CVE-2014-9587]
 
 RELEASE 1.0.3
 -------------
 - Initialize HTML editor before restoring a message from localStorage (#4631)
 - Add 'sig_max_lines' config option to default config file (#5162)
 - Add config option to specify IMAP connection socket parameters - imap_conn_options (#4589)
 - Add option to set default message list mode - default_list_mode (#3157)
 - Enable contextmenu plugin for TinyMCE editor (#3062)
 - Fix insert-signature command in external compose window if opened from inline compose screen (#4663)
 - Fix some mime-type to extension mapping checks in Installer (#4610)
 - Fix errors when using localStorage in Safari's private browsing mode (#4619)
 - Fix bug where $Forwarded flag was being set even if server didn't support it (#4621)
 - Fix various iCloud vCard issues, added fallback for external photos (#4617)
 - Fix invalid Content-Type header when send_format_flowed=false (#4616)
 - Fix errors when adding/updating contacts in active search (#4630)
 - Fix incorrect thumbnail rotation with GD and exif orientation data (#4641)
 - Fix contacts list update after adding/deleting/moving a contact (#4640, #4644)
 - Fix handling of email addresses with quoted domain part (#4647)
 - Fix comm_path update on task switch (#4648)
 - Fix error in MSSQL update script 2013061000.sql (#4658)
 - Fix validation of email addresses with IDNA domains (#4661)
 
 RELEASE 1.0.2
 -------------
 - Fix storing unsaved drafts in localStorage (#4529)
 - Add configurable LDAP_OPT_DEREF option (#4546)
 - Fix so when switching editor mode original version of signature is used (#4032)
 - Fix unintentional draft autosave request if autosave is disabled (#4550)
 - Fix malformed References: header in send/saved mail (#4552)
 - Fix handling unicode characters in links (#4555)
 - Fix incorrect handling of HTML comments in messages sanitization code (#4558)
 - Fix so current page is reset on list-mode change (#4561)
 - Fix so responses menu hides on click in classic skin (#4566)
 - Fix unintentional line-height style modification in HTML messages (#4567)
 - Fix broken normalize_string(), add support for ISO-8859-2 (#4568)
 - Support csv contacts import in German localization (#4570)
 - Fix so message list and counters are updated when a message is opened in new window (#4569)
 - Fix malformed recipient name when composing a message by clicking on mailto link (#4583)
 - Fix list reload after sending message in another window (#4576)
 - Fix so address format errors are ignored when saving a draft (#4594)
 - Fix incorrect label translation in return receipt (#4598)
 - Fix security issue in delete-response action - allow only ajax request
 - Fix Delete button state after deleting identity/response (#4603)
 - Fix bug where contacts with no email address were listed on compose addressbook (#4602)
 - Fix images import from various vCard formats (#4604)
 - Fix sorting messages by size on servers without SORT capability (#4608)
 
 RELEASE 1.0.1
 -------------
 - Support 'error' and 'body_file' return attribs in 'message_before_send' hook (#4467)
 - Apply user-specific replacements to group's base_dn property (#4512)
 - Fix missing email address when importing contacts from outlook csv (#4535)
 - Fix bug where "With attachment" option in search filter wasn't selected after return from mail view (#4508)
 - Fix "washing" of unicoded style attributes (#4510)
 - Fix unintentional redirect from compose page in Webkit browsers (#4516)
 - Fix messages index cache update under some conditions (e.g. proxy) (#4505)
 - Fix lack of translation of special folders in some configurations (#4520)
 - Fix XSS issue in plain text spellchecker (#4524)
 - Fix invalid page title for some folders (1489804)
 - Fix redundant alert message on over-size uploads (#4528)
 - Fix next message display after removing a message (#4521)
 - Fix missing Mail-Followup-To header in sent mail (#4534)
 - Fix error when spell-checking an empty text (#4536)
 - Avoid popupmenus being closed when scrollbar is clicked (#4537)
 - Add proxy_whitelist configuration option (#4496)
 - Fix identities_level=4 handling in new_user_dialog plugin (#4540)
 - Fix various db_prefix issues (#4539)
 - Fix too small length of users.preferences column data type on MySQL
 - Fix redundant warning when switching from html to text in empty editor (#4530)
 - Fix invalid host validation on login (#4541)
 - Fix IMAP connection test in installer so it is aware of imap_auth_type (#4502)
 
 RELEASE 1.0.0
 -------------
 - Added toolbar button to move message in message view
 - Fix style of disabled protocol handler link on IE (#4460)
 - Fix message import dialog when no file is selected (#4488)
 - Fix opening compose screen in new window after saving as draft (#4479)
 - Fix directories check in Installer on Windows (#4462)
 - Fix issue when default_addressbook option is set to integer value (#4379)
 - Fix Opera > 15 detection (#4455)
 - Fix security issue in DomainFactory driver of Password plugin
 - Fix invalid X-Draft-Info on forwarded message draft (#4464)
 - Fix regression in handling of 'attachments' result in message_compose hook (#4474)
 - Fix issue where msgexport.sh printed the message to STDOUT instead of a file (#4476)
 - Fix fatal error in database_attachments plugin under some conditions (#4495)
 
 RELEASE 1.0-rc
 --------------
 - Small CSS fix with message notice boxes in Larry skin (#4429)
 - Include groups in contacts search on mail compose (#4186)
 - Add mime-type mapping for .7z files (#4436)
 - Invoke update scripts with php to circumvent execution restrictions (#4330)
 - Fix drag & drop message/contact moving on touch device (#4395)
 - Fix canned responses in HTML mode (#4446)
 - Check/create default folders on every login not only the first (#4391)
 - Update to jQuery-1.11.0 and jQuery-UI-1.9.2
 - Support SMTP socket context options via new config option 'smtp_conn_options'
 - Fix compatibility with PHP 5.2 in html.php file (#4438)
 - Remove expand/collapse with plus/minus keys (on numeric keypad) (#4437)
 - Fix issue where filesystem path was added to all-attachments (zip) file (#4433)
 - Fix case-sensitivity of email addresses handling on compose (#1899)
 - Don't alter Message-ID of a draft when sending (#4381)
 - Fix issue where deprecated syntax for HTML lists was not handled properly (#3975)
 - Display different icons when Trash folder is empty or full (#2108)
 - Remember last position of more headers switch (#3660)
 - Fix so message flags modified by another client are applied on the list on refresh (#1639)
 - Fix broken text/* attachments when forwarding/editing a message (#4393)
 - Improved minified files handling, added css minification (#3041)
 - Fix handling of X-Forwarded-For header with multiple addresses (#4424)
 - Fix border issue on folders list in classic skin (#4419)
 - Implemented menu actions to copy/move messages, added folder-selector widget (#863)
 - Fix security rules in .htaccess preventing access to base URL without the ending slash (#4422)
 - Fix regression where only first new folder was placed in correct place on the list (#4418)
 - Fix issue where children of selected and collapsed thread were skipped on various actions (#4410)
 - Fix issue where groups were not deleted when "Replace entire addressbook" option on contacts import was used (#4388)
 - Fix unreliable mimetype tests in Installer (#4408)
 - Fix performance of listing writeable folders (#4406)
 
 RELEASE 1.0-beta
 ----------------
 - Fix handling of invalid closing tags in HTML messages (#4403)
 - Set real content-type for file downloads (#4400)
 - Update TinyMCE to version 3.5.10 (#4401)
 - Fix keyboard navigation in list widgets (#4367)
 - Allow plugins to grab the reference of opened windows (#4383)
 - Larry skin: Improved status message display for better visibility (#4115)
 - Fix Internet Explorer 11 detection (#4397)
 - Fix date column width to fit the widest possible date format (#4354)
 - Move certain user preference options to a collapsed "advanced" block (#4015)
 - Add file type icons for Powerpoint and Open Office presentations (#4269)
 - Fix operations on folders with trailing spaces in name (#4387)
 - Improve identity selection based on From: header (#4360)
 - Fix issue where mails with inline images of the same name contained only the first image multiple times (#4378)
 - Use left/right arrow keys to collapse/expand thread and spacebar to select a row, change Ctrl key behavior (#4367)
 - Fix an issue where using arrow keys to go up a list can result in selected message being under headers (#4375)
 - Fix an issue where Home/End keys don't focus list row properly, don't scrollTo properly (#4370)
 - Add an option to disable smart Reply-List behaviour - reply_all_mode (#3953)
 - Fix an issue where pressing minus key on contacts list was hiding list records (#4368)
 - Fix an issue where shift + arrow-up key wasn't selecting all messages in collapsed thread (#4371)
 - Added icon for priority column in messages list header (#4275)
 - New feature "Canned Responses" to save and recall boilerplate text snippets
 - Fix HTML part detection when encapsulated inside multipart/signed (#4357)
 - Add spellchecker backend for the After the Deadline service
 - Replace markdown-style [1] link indexes in plain text email bodies
 - Improved mailto: link arguments handling (#4351)
 - Use DOMDocument LIBXML_PARSEHUGE and LIBXML_COMPACT options if possible (#4316)
 - Support HTTP_HOST, SERVER_NAME and SERVER_ADDR values in include_host_config feature
 - Make default font size for HTML messages configurable (request #118)
 - Fix XSS issue in addressbook group name field [CVE-2013-5646] (#4337)
 - After message is sent refresh messages list of replied message folder (#4282)
 - Add option force specified domain in user login - username_domain_forced (#4290)
 - Add option to import Vcards with group assignments
 - Save groups membership in Vcard export (#3801)
 - Workaround broken PHP function timezone_name_from_abbr (#4289)
 - Make cached message size limit configurable - messages_cache_threshold (#4326)
 - Log also failed logins to userlogins log
 - Add temp_dir_ttl configuration option (#4318)
 - Allow setting INBOX as Sent folder (#4264)
 - Fix replacement variables in user-specific base_dn in some LDAP requests (#4299)
 - Fix image scaling issues when image has only one dimension smaller than the limit (#4296)
 - Fix issue where uploaded photo was lost when contact form did not validate (#4296)
 - Move identity selection based on non-standard headers into (new) identity_select plugin (#3835)
 - Fix downloading binary files with (wrong) text/* content-type (#4292)
 - Respect HTTP_X_FORWARDED_FOR and HTTP_X_REAL_IP variables for session IP check
 - Simplified configuration by merging it into one file + defaults (#3156)
 - Make message list header stay on top when scrolling (#353)
 - Add support for 'enchant' spellcheck engine
 - Check filetype detection in installer and update script (#4252)
 - Fix folder names truncation in Classic skin (#4265)
 - Make possible to disable some (broken) IMAP extensions with imap_disable_caps option (#4245)
 - Contacts drag-n-drop default action is to move contacts (#3962)
 - Added possibility to choose to move or copy contacts from drag-n-drop menu (#3962)
 - Fix Close link and remove About link on error pages (#4201)
 - Improved/unified attachment preview screen, added print button
 - Fix lack of space between searchfiler and quicksearchbar in Larry skin (#4233)
 - Cache LDAP's user_specific search and use vlv for better performance (#4247)
 - LDAP: auto-detect and use VLV indices for all search operations
 - LDAP: additional group configuration options for  address books
 - LDAP: separated address book implementation from a generic LDAP wrapper class
 - Allow address books to browse a multi-level group hierarchy in the contacts list
 - Fix session issues when local and database time differs (#2401)
 - Fix thread cache syncronization/validation (#4150)
 - Added feature to import messages to the currently selected folder
 - Add option show_real_foldernames to disable localization of special folders
 - Fix database cache expunge issues (#4229)
 - Fix date format issues on MS SQL Server (#4078)
 - Add imap_cache_ttl option to configure TTL of imap_cache
 - Make LDAP cache engine configurable via ldap_cache and ldap_cache_ttl options
 - Fix "duplicate entry" errors on inserts to imap cache tables (#4228)
 - Improved handling of Reply-To/Bcc addresses of identity in compose form (#4142)
 - Added user preference to open all popups as standard windows
 - Implemented shared cache (rcube_cache_shared)
 - Change Reply-All button label/title when mailing list is detected (#4092)
 - Fix SMTP connection using IPv6 address in smtp_server option (#4147)
 - Added attachment_reminder plugin
 - Make PHP code eval() free, use create_function()
 - Add option to display email address together with a name in mail preview (#3952)
 - Support CSV import from Atmail (#4161)
 - Add db_prefix configuration option in place of db_table_*/db_sequence_* options
 - Make possible to use db_prefix for schema initialization in Installer (#4175)
 - Fix updatedb.sh script so it recognizes also table prefix for external DDL files
 - Fix parsing invalid date string (#4155)
 - Add "with attachment" option to messages list filter (#1795)
 - Call resize handler in intervals to prevent lags and double onresize calls in Chrome (#4137)
 - Add rel="noreferrer" for links in displayed messages (#4976)
 - Add ability to toggle between HTML and text while viewing a message (#3005)
 - Remove "HTML message" from attachments list while viewing a message in text mode (#3005)
 - Support IMAP MOVE extension [RFC 6851]
 - Add attachment menu with Open and Download options (#4116)
 - Display user-friendly message on IMAP "over quota" errors (#914)
 - Extended archive plugin with user-configurable options to store messages into subfolders
 - Fix export of selected contacts from search result (#4070)
 - Feature to export only selected contacts from addressbook (by Phil Weir)
 
 RELEASE 0.9.5
 -------------
 - Fix failing vCard import when email address field contains spaces (#4363)
 - Fix default spell-check configuration after Google suspended their spell service
 - Fix vulnerability in handling _session argument of utils/save-prefs [CVE-2013-6172] (#4362)
 - Fix iframe onload for upload errors handling (#4361)
 - Fix address matching in Return-Path header on identity selection (#4358)
 - Fix text wrapping issue with long unwrappable lines (#4356)
 - Fixed issues where HTML comments inside style tag would hang Internet Explorer
 - Hide Delivery Status Notification option when smtp_server is unset (#4339)
 - Display full attachment name using title attribute when name is too long to display (#4328)
 - Fix attachment icon issue when rare font/language is used (#4334)
 - Fix expanded thread root message styling after refreshing messages list (#4335)
 - Fix issue where From address was removed from Cc and Bcc fields when editing a draft (#4327)
 - Fix error_reporting directive check (#4331)
 - Fix de_DE localization of "About" label in Help plugin (#4333)
 
 RELEASE 0.9.4
 -------------
 - Make identities matching case insensitive (#1881)
 - Fix issue where too big message data was stored in cache causing sql errors (#4325)
 - Fix iframe scrollbars on webkit desktop browsers (#4319)
 - Fix issue where legacy config was overridden by default config (#4305)
 - Fix newmail_notifier issue where favicon wasn't changed back to default (#4324)
 - Fix setting of Junk and NonJunk flags by markasjunk plugin (#4303)
 - Fix lack of Reply-To address in header of forwarded message body (#4314)
 - Fix bugs when invoking contact creation form when read-only addressbook is selected (#4313)
 - Fix identity selection on reply (#4308)
 - Fix so additional headers are added to all messages sent (#4302)
 - Fix display issue after moving folder in Folder Manager (#4310)
 - Fix handling of non-default date formats (#4311)
 - Fix unquoted path in PREG expression on Windows (#4307)
 - Fix wrong close tag in /template/mail.html (#4312)
 
 RELEASE 0.9.3
 -------------
 - Fix setting refresh_interval to "Never" in Preferences (#4304)
 - Fixed iframe scrolling on touch devices
 - Optimized message list for touch devices
 - Fix purge action in folder manager (#4300)
 - Fix base URL resolving on attribute values with no quotes (#4297)
 - Fix wrong handling of links with '|' character (#4298)
 - Fix colorspace issue on image conversion using ImageMagick (#4294)
 - Fix XSS vulnerability when editing a message "as new" or draft [CVE-2013-5645] (#4283)
 - Fix XSS vulnerability when saving HTML signatures [CVE-2013-5645] (#4283)
 - Fix rewrite rule in .htaccess (#4278)
 - Fix detecting Turkish language in ISO-8859-9 encoding (#4284)
 - Fix identity-selection using Return-Path headers (#4279)
 - Fix parsing of links with ... in URL (#4251)
 - Fix compose priority selector when opening in new window (#4286)
 - Fix bug where signature wasn't changed on identity selection when editing a draft (#4272)
 - Fix IMAP SETMETADATA parameters quoting (#4274)
 - Fix "could not load message" error on valid empty message body (#4271)
 - Fix handling of message/rfc822 attachments on message forward and edit (#4262)
 - Fix parsing of square bracket characters in IMAP response strings (#4267)
 - Don't clear References and in-Reply-To when a message is "edited as new" (#4263)
 - Fix messages list sorting with THREAD=REFS
 - Remove deprecated (in PHP 5.5) PREG /e modifier usage (#4239)
 - Fix empty messages list when register_globals is enabled (#4232)
 - Fix so valid and set date.timezone is not required by installer checks (#4242)
 - Canonize boolean ini_get() results (#4249)
 - Fix so install do not fail when one of DB driver checks fails but other drivers exist (#4240)
 - Fix so exported vCard specifies encoding in v3-compatible format (#4244)
 
 RELEASE 0.9.2
 -------------
 - Fix image thumbnails display in print mode (#4220)
 - Fix height of message headers block (#4200)
 - Fix timeout issue on drag&drop uploads (#4238)
 - Fix default sorting of threaded list when THREAD=REFS isn't supported
 - Fix list mode switch to 'List' after saving list settings in Larry skin (#4236)
 - Fix error when there's no writeable addressbook source (#4235)
 - Fix zipdownload plugin issue with filenames charset (#4231)
 - Fix so non-inline images aren't skipped on forward (#4230)
 - Fix "null" instead of empty string on messages list in IE10 (#4227)
 - Fix legacy options handling
 - Fix so bounces addresses in Sender headers are skipped on Reply-All (#4140)
 - Fix bug where serialized strings were truncated in PDO::quote() (#4226)
 - Fix displaying messages with invalid self-closing HTML tags (#4223)
 - Fix PHP warning when responding to a message with many Return-Path headers (#4222)
 - Fix unintentional compose window resize (#4206)
 - Fix performance regression in text wrapping function (#4219)
 - Fix connection to posgtres db using unix socket (#4218)
 - Fix handling of comma when adding contact from contacts widget (#4199)
 - Fix bug where a message was opened in both preview pane and new window on double-click (#4212)
 - Fix fatal error when xdebug.max_nesting_level was exceeded in rcube_washtml (#4202)
 - Fix PHP warning in html_table::set_row_attribs() in PHP 5.4 (#4194)
 - Fix invalid option selected in default_font selector when font is unset (#4204)
 - Fix displaying contact with ID divisible by 100 in sql addressbook (#4211)
 - Fix browser warnings on PDF plugin detection (#4209)
 - Fix fatal error when parsing UUencoded messages (#4210)
 
 RELEASE 0.9.1
 -------------
 - Better German labels for from/to to avoid conflicts with 'sender' (#4188)
 - Fix problem where security warning was displayed for valid images with image/jpg type (#4196)
 - Fix handling of invalid email addresses in headers (#4193)
 - Fix IMAP connection issue with default_socket_timeout < 0 and imap_timeout < 0 (#4191)
 - Fix various PHP code bugs found using static analysis (#4190)
 - Fix backslash character handling on vCard import (#4189)
 - Fix csv import from Thunderbird with French localization (#4170)
 - Fix messages list focus issue in Opera and Webkit (#4169)
 - Fix Reply-To header handling in Reply-All action (#4157)
 - Fix so Sender: address is added to Cc: field on reply to all (#4140)
 - Fix so addressbook_search_mode works also for group search (#4183)
 - Fix removal of a contact from a group in LDAP addressbook (#4185)
 - Include SQL query in the log on SQL error (#4172)
 - Fix handling untagged responses in IMAP FETCH - "could not load message" error (#4180)
 - Fix very small window size in Chrome (#4087)
 - Fix list page reset when viewing a message in Larry skin (#4182)
 - Fix min_refresh_interval handling on preferences save (#4179)
 - Fix PDF support detection for Firefox PDF.js (#4113)
 - Fix possible collision in generated thumbnail cache key (#4177)
 - Fix exit code on bootsrap errors in CLI mode (#4160)
 - Fix error handling in CLI mode, use STDERR and non-empty exit code (#5161)
 - Fix error when using check_referer=true
 - Fix incorrect handling of some specific links (#4171)
 - Fix incorrect handling of leading spaces in text wrapping
 - Fix unintentional messages list jumps on click in Internet Explorer (#4167)
 - Fix list of required configuration options (#4166)
 - Fix DB error when creating a new contact and a group is selected (#4164)
 - Fix handling of deprecated boolean value of reply_mode option (#4165)
 
 RELEASE 0.9.0
 -------------
 - Fix display of HTML entities in protected folder name (#4159)
 - Set minimal permissions to temp files (#4131)
 - Improve content check for embedded images without filename (#4151)
 - Fix handling of invalid characters in message headers and output (#4153)
 - Fix selecting collapsed rows on select-all (#4156)
 - Avoid race-conditions with concurrent attachment uploads (#3739)
 - Fix possible header duplicates when using additional headers (#4154)
 - Fix session issues with use_https=true (#4125)
 - Fix blockquote width in sent mail (#4152)
 - Fix keyboard events on list widgets in Internet Explorer (#4148)
 
 RELEASE 0.9-rc2
 ---------------
 - Fix security issue in save-pref command
 - Remove sig_above configuration option, use reply_mode only (#4135)
 - Refresh current folder in opener window after draft save or message sent (#4132)
 - Fix saving draft just after entering compose window (#4141)
 - Fix javascript error in IE9 when loading form with placeholders into an iframe (#4138)
 - Fix handling of some conditional comment tags in HTML message (#4136)
 - Fix so forward as attachment works if additional attachment is added by message_compose hook (#4134)
 - Better handling of session errors in ajax requests (#4105)
 - Fix HTML part detection for some specific message structures (#4130)
 - Don't show fake address - phishing prevention (#4120)
 - Fix forward as attachment bug with editormode != 1 (#4129)
 - Fix LIMIT/OFFSET queries handling on MS SQL Server (#4123)
 - Fix so task name can really contain all from a-z0-9_- characters (#4095)
 - Fix javascript errors when working in a page opened with taget="_blank"
 - Mention SQLite database format change in UPGRADING file (#4122)
 - Increase maxlength to 254 chars for email input fields in addressbook (#4126)
 - Fix thumbnail size when GD extension is used for image resize (#4124)
 - Display notice that message is encrypted also for application/pkcs7-mime messages (#3815)
 
 RELEASE 0.9-rc
 --------------
 - Fix plain text spellchecker incorrect highlighting in non-ASCII text (#4114)
 - Add workaround for invalid message charset detection by IMAP servers (#4112)
 - Fix NUL characters in content-type of ms-tnef attachment (#4108)
 - Fix regression in handling LDAP contact identifiers (#4104)
 - Updated translations from Transifex
 - Fix buggy error template in a frame (#4092)
 - Add addressbook widget on compose page in classic skin
 - Add search box to compose address book widget (#3710)
 - Fix login in case when default_host is an array with one element (#4085)
 - Use LDAP fallback hosts on connect + bind instead of ldap_connect() only.
 - Add config option for LDAP bind timeout (sets LDAP_OPT_NETWORK_TIMEOUT option)
 - Submit Addressbook advanced search form with Enter key (#3843)
 - Also block remote images in HTML part view (#4013)
 - Improved database schema upgrade procedure, added updatedb.sh script
 - Force autocommit mode in mysql database driver (#4068)
 
 RELEASE 0.9-beta
 ----------------
 - Fix searching by date in address book (#4058)
 - Improve charset detection by prioritizing charset according to user language (#2032)
 - Fix handling of escaped separator in vCard file (#4064)
 - Add option to use envelope From address for MDN responses (#4052)
 - Add possibility to search in message body only (#3977)
 - Support "multipart/relative" as an alias for "multipart/related" type (#4057)
 - Display PGP/MIME signature attachments as "Digital Signature" (#3845)
 - Workaround UW-IMAP bug where hierarchy separator is added to the shared folder name (#4051)
 - Fix version comparisons with -stable suffix (#4050)
 - Add unsupported alternative parts to attachments list (#4046)
 - Add Compose button on message view page (#3959)
 - Display 'Sender' header in message preview
 - Plugin API: Added message_before_send hook
 - Fix contact copy/add-to-group operations on search result (#4042)
 - Use matching identity in MDN response (#4043)
 - Fix handling of signatures on draft edit (#3996)
 - Fix so compacting of non-empty folder is possible also when messages list is empty (#4039)
 - Allow forwarding of multiple emails (#2941)
 - Fix big memory consumption of DB layer (#4037)
 - Fix broken message/part bodies when FETCH response contains more untagged lines (#4020)
 - Fix empty email on identities list after identity update (#4018)
 - Add new identities_level: (4) one identity with possibility to edit only signature
 - Use Delivered-To and Envelope-To headers for identity selection (#4024, #3835)
 - Fix XSS vulnerability using Flash files (#4014)
 - Always save drafts with format=flowed in order to keep original line wraps (#3997)
 - Select default_addressbook on the list in Address Book (#3624)
 - Fix so mobile phone has TYPE=CELL in exported vCard (#4004)
 - Support contacts import from CSV file (#2605)
 - Improved keep-alive action. Now the interval is based on session_lifetime (#3799)
 - Added cross-task 'refresh' request for system state updates (#3799)
 - Renamed config options: keep_alive to refresh_interval, min_keep_alive to min_refresh_interval
 - Fix handling of text/enriched content on message reply/forward/edit
 - Option to display attached images as thumbnails below message body
 - Upgraded to jQuery 1.8.3 and jQuery UI 1.9.1
 - Add config option to automatically generate LDAP attributes for new entries
 - Add user settings to open message view and compose form in new windows (#1886)
 - Better client-side timezone detection using the jsTimezoneDetect library (#3947)
 - Add option to disable saving sent mail in Sent folder - no_save_sent_messages (#3923)
 - Fix handling dont_override with message_sort_col and message_sort_order settings (#3970)
 - Fix handling of URLs with asterisk characters (#3969)
 - Remove automatic to-lowercase conversion of usernames (#3941)
 - Plugin API: Add 'email_list' argument for identities data in user_create hook
 - Integrated zipdownload plugin to download all attachments (#617)
 - Fix HTML special characters handling in message list/header display (#3812)
 - List related text/html part as attachment in plain text mode (#3918)
 - Use IMAP BINARY (RFC3516) extension to fetch message/part bodies
 - Fix folder creation under public namespace root (#3910)
 - Fix so "Edit as new" on draft creates a new message (#3924)
 - Fix invalid error message on deleting mail from read only folder (#3929)
 - Replace data URIs of images (pasted in HTML editor) with inline attachments (#3795)
 - Remove (too big) min-width on mail screen
 - Added template object 'frame'
 - Add option to enable HTML editor on forwarding (#3807)
 - Add option to not include original message on reply, rename option top_posting to reply_mode (#1615)
 - Added session_path config option and unified cookies settings in javascript
 - Added "Undeleted" option to messages list filter
 - Rewritten test scripts for PHPUnit
 - Add new DB abstraction layer based on PHP PDO, supporting SQLite3 (#3668)
 - Removed PEAR::MDB2 package
 - Removed users.alias column, added option ('user_aliases')
   to use email address from identities as username (#3851)
 - Removed redundant cache.cache_id column (#3817)
 - Fix order of attachments in sent mail (#3740)
 - Fix Shift + delete button does not permanently delete messages (#3598)
 - Add Content-Length for attachments where possible (#1880)
 - Fix attachment sizes in message print page and attachment preview page (#3805)
 - Add mail attachments using drag & drop on HTML5 enabled browsers
 - Add workaround for invalid BODYSTRUCTURE response - parse message with Mail_mimeDecode package (#1966)
 - Display Tiff as Jpeg in browsers without Tiff support (#3757)
 - Don't display Pdf/Tiff/Flash attachments inline without browser support (#3757, #3394)
 - Add is_escaped attribute for html_select and html_textarea (#3782)
 - Fix issue where draft auto-save wasn't executed after some inactivity time
 - Add vCard import from multiple files at once (#3458)
 - Roundcube Framework:
     Add possibility to replace IMAP driver with custom class
     Add IMAP auto-connection feature, improving performance with caching enabled
     Replace imap_init hook with storage_init (with additional 'driver' argument)
     Improved performance by caching IMAP server's capabilities in session
     Unified global functions naming (rcube_ prefix)
     Better classes separation
     Framework files moved to lib/Roundcube
 
 RELEASE 0.8.5
 -------------
 - Fix #countcontrols issue in IE<=8 when text is very long (#4060)
 - Fix unwanted horizontal scrollbar in message preview header (#4044)
 - Add workaround for IE<=8 bug where Content-Disposition:inline was ignored (#4028)
 - Fix XSS vulnerability in vbscript: and data:text links handling [CVE-2012-6121] (#4033)
 - Fix absolute positioning in HTML messages (#4007)
 - Fix cache (in)validation after setting \Deleted flag
 - Fix keybord events on messages list in opera browser (#4011)
 - Fix selection of collapsed thread rows (#3978)
 - Fix wrapping of quoted text with format=flowed (#3561)
 
 RELEASE 0.8.4
 -------------
 - Fix regression where unintentional page reload was done after request abort (#3999)
 - Fix XSS vulnerability in handling of text/enriched messages (#4000)
 - Fix handling of 'media' attribute on linked css (#3989)
 - Fix excessive LFs at the end of composed message with top_posting=true (#3995)
 - Fix bug where leading blanks were stripped from quoted lines (#3994)
 
 RELEASE 0.8.3
 -------------
 - Fix AREA links handling (#3992)
 - Fix possible HTTP DoS on error in keep-alive requests (#3983)
 - Fix compatybility with MDB2 2.5.0b4 (#3982)
 - Fix a bug where saving a message in INBOX wasn't possible
 - Fix HTML part detection in messages with attachments (#3976)
 - Fix bug where wrong words were highlighted on spell-before-send check
 - Fix scrolling quirk in email preview frame using Opera 12 (#3973)
 - Fix displaying of multipart/alternative messages with empty parts (#3961)
 - Fix threaded list sorting on PHP < 5.2.9 (#3960)
 - Fix Warning: htmlspecialchars(): charset `RCMAIL_CHARSET' not supported warning in Installer (#3958)
 
 RELEASE 0.8.2
 -------------
 - Fix XSS vulnerability from HTTP User-Agent header (#3954)
 - Force fonts in compose fields to be all the same (#3926)
 - Fix handling vCard entries with TEL;TYPE=CELL (#3949)
 - Fix error where session wasn't updated after folder rename/delete (#3928)
 - Fix PLAIN authentication for some IMAP servers (#3916)
 - Fix encoding vCard file when contains PHOTO;ENCODING=b (#3922)
 - Fix focus issue in IE when selecting message row (#3881)
 - Add full headers view in message preview window (#3823)
 - Fix message display page issues - unified with message preview (#3856, #3895)
 - Fix displaying all headers when they contain malformed characters (#3911)
 - Fix decoding of HTML messages with UTF-16 charset specified (#3902)
 - Fix quota capability detection so it can be overwritten by a plugin (#3903)
 - Fix identity selection on reply (#3516)
 - Fix Larry's messages list filter in IE (#3890)
 - Fix more IE issues by disabling Compat. mode with X-UA-Compatible meta tag (#3886)
 - Fix setting locales under Solaris - use additional .UTF-8 suffix (#3887)
 - Fix email address validation for addresses with IP address in domain part
 - Fix Larry skin issues in IE7 compat. mode (#3879)
 - Fix so subscribed non-existing/non-accessible shared folder can be unsubscribed
 
 RELEASE 0.8.1
 -------------
 - Fix bug where domain name was converted to lower-case even with login_lc=false (#3859)
 - Fix lower-casing email address on replies (#3863)
 - Fix line separator in exported messages (#3866)
 - Fix XSS issue where plain signatures wasn't secured in HTML mode [CVE-2012-4668] (#3875)
 - Fix XSS issue where href="javascript:" wasn't secured [CVE-2012-3508] (#3875)
 - Fix impossible to create message with empty plain text part (#3873)
 - Fix stripped apostrophes when replying in plain text to HTML message (#3869)
 - Fix inactive Save search option after advanced search (#3870)
 - Fix Remove from group option is active for contact search result (#3871)
 - Disable autocapitalization in login form on iPad/iPhone (#3872)
 - Fix focus on the list when list row is clicked (#3865)
 - Added separate From and To columns apart from smart From/To column (#2970)
 - Fix fallback to Larry skin when configured skin isn't available (#3857)
 - Fix (workaround) delete operations with some versions of memcache (#3858)
 - Fix (disable) request validation for spell and spell_html actions
 
 RELEASE 0.8.0
 -------------
 - Don't show product version on login screen (can be enabled by config)
 - Renamed old default skin to 'classic'. Larry is the new default skin.
 - Support connections to memcached socket file (#3848)
 - Enable TinyMCE inlinepopups plugin
 - Update to TinyMCE 3.5.6
 - Correctly escape localized labels in javascript variable (#3842)
 - Update Net_SMTP/Auth_SASL packages to fix Digest-MD5/Cram-MD5 authentication (#3846)
 - Don't add attachments content into reply/forward/draft message body (#3837)
 - Fix 'no connection' errors on page unloads (#3832)
 - Plugin API: Add 'unauthenticated' hook (#3545)
 - Show explicit error message when provided hostname is invalid (#3834)
 - Fix wrong compose screen elements focus in IE9 (#3826)
 - Fix fatal error when date.timezone isn't set (#3831)
 - Update to TinyMCE 3.5.4.1
 - Better icons with distinct shapes for priority columns (#3706)
 - Show dedicated icon for multipart/report messages (#3813)
 - Properly hide text of icon links/buttons (#3820)
 - Fix handling of unitless CSS size values in HTML message (#3821)
 - Fix removing contact photo using LDAP addressbook (#3737)
 - Fix storing X-ANNIVERSARY date in vCard format (#3816)
 - Update to Mail_Mime-1.8.5 (#3810)
 - Fix XSS vulnerability in message subject handling using Larry skin [CVE-2012-3507] (#3809)
 - Fix handling of links with various URI schemes e.g. "skype:" (#3521)
 - Fix handling of links inside PRE elements on html to text conversion
 - Fix indexing of links on html to text conversion
 - Decode header value in rcube_mime::get() by default (#3803)
 - Fix errors with enabled PHP magic_quotes_sybase option (#3798)
 - Fix SQL query for contacts listing on MS SQL Server (#3797)
 - Fix window.resize handler on IE8 and Opera (#3758)
 - Don't let error message popups cover the login form (#3794)
 - Update to TinyMCE 3.5.2
 - Don't show errors when moving contacts into groups they are already in (#3788)
 - Make folders with unread messages in subfolders bold again (#2892)
 - Abbreviate long attachment file names with ellipsis (#3793)
 - Fix html2text conversion of strong|b|a|th|h tags when used in upper case
 - Add listcontrols template container in Larry skin (#3792)
 - Fix host autoselection when default_host is an array (#3790)
 - Move messages forwarding mode setting into Preferences
 - Fix HTML entities handling in HTML editor (#3780)
 - Fix listing shared folders on Courier IMAP (#3767)
 
 RELEASE 0.8-rc
 --------------
 - Added new translations in Belarusian, Interlingua and Malayalam
 - Flipped compose options arrow (#3772)
 - Fix handling of large uuencode attachments (#3771)
 - Fix handling of "usemap" attribute (#3770)
 - Fix handling of some HTML tags e.g. IMG (#3769)
 - Use similar language as a fallback for plugin localization (#3726)
 - Fix issue where signature wasn't re-added on draft compose (#3659)
 - Update to TinyMCE 3.5 (#3762)
 - Fixed multi-threaded autocompletion when number of threads > number of sources
 - Allow to configure the number of values allowed for each LDAP attribute
 - Support for serialized LDAP address values (usually delimited with a $)
 - Less restrictive session auth checks, repeat keep-alive requests on failure (#3755)
 - Fix redirect to mail/compose on re-login (#3585)
 - Add IE8 hack for messages list issue (#3317)
 - Fix handling errors on draft auto-save
 - Fix importing vCard photo with ENCODING param specified (#3746)
 - Support multiple name/email pairs for Bcc and Reply-To identity settings (#3752)
 - Set flexible width to login form fields (#3735)
 - Fix re-draw bug on list columns change in IE8 (#3318)
 - Allow mass-removal of addresses from a group (#3259)
 - Fix removing all contacts on import to LDAP addressbook
 - Fix so "Back" from compose/show doesn't reset search request (#3594)
 - Add option to delete messages instead of moving to Trash when in Junk folder (#2805)
 - Fix invisible cursor when replying to a html message (#3100)
 - Reset IP stored in session when destroying session data (#3485)
 - Fix bug where memory_limit = -1 wasn't handled properly
 - Support LDAP RFC2256's country object class read/write (#3535)
 - Upgraded to jQuery 1.7.2
 - Image resize with GD extension (#3712)
 - Fix lack of warning when switching task in compose window (#3725)
 - Fix bug where it wasn't possible to enter ( or & characters in autocomplete fields
 - Request all needed fields from address book backends (#3721)
 - Unified (single) spellchecker button
 - Scroll long lists on drag&drop (#2249)
 - Copy all skins in installto script (#3705)
 
 RELEASE 0.8-beta
 ----------------
 - Upgraded to jQuery 1.7.1 (#3673) and jQuery UI 1.8.18
 - Add Russian to the spellchecker languages list (#3542)
 - Remember custom skin selection after logout (#3688)
 - Make sure About tab is always the last tab (#3609)
 - Fix issue with folder creation under INBOX. namespace (#3683)
 - Added mailto: protocol handler registration link in User Preferences (#2729)
 - Handle identity details box with an iframe (#3066)
 - Fix issue where some text from original message was missing on reply (#3675)
 - Fix autoselect_host() for login (#3639)
 - Changed license to GNU GPLv3+ with exceptions for skins & plugins
 - Added address book widget on compose screen
 - Use proper timezones from PHP's internal timezonedb (#1973)
 - Add separate pagesize setting for mail messages and contacts (#3617)
 - Deprecate $DB, $USER, $IMAP global variables, Use $RCMAIL instead
 - Add option to set default font for HTML message (#894)
 - Fix issues with big memory allocation of IMAP results
 - Prevent from memory_limit exceeding when trying to parse big messages bodies (#3164)
 - Add possibility to add SASL mechanisms for SMTP in smtp_connect hook (#3399)
 - Mark (with different color) folders with recent messages (#2479)
 - Added About tab in Settings
 - TinyMCE updated to 3.4.6
 
 RELEASE 0.7.2
 -------------
 - Fix encoding of attachment with comma in name (#3717)
 - Fix handling of % character in IMAP protocol (#3711)
 - Fix duplicate names handling in addressbook searches (#3704)
 - Fix displaying of HTML messages from Disqus (#3702)
 - Disable E_STRICT warnings on PHP 5.4
 - Prevent from folder selection on virtual folder collapsing (#3681)
 - Fix automatic unsubscribe of non-existent folders
 - Fix double-quotes handling in recipient names
 - User configurable setting how to display contact names in list
 - Make contacts list sorting configurable for the admin/user
 - Fix parse errors in DDL files for MS SQL Server
 - Revert SORT=DISPLAY support, removed by mistake (#3664)
 - Add lost translation label in de_DE (#3654)
 - Fix drafts update issues when edited from preview pane (#3653)
 - Fix wrong variable name in rcube_ldap.php (#3643)
 - Make mime type detection based on filename extension to be case-insensitive
 - Fix failure on MySQL database upgrade from 0.7 - text column can't have default value (#3642)
 
 
 RELEASE 0.7.1
 -------------
 - Fix bug in handling of base href and inline content (#3634)
 - Fix SQL Error when saving a contact with many email addresses (#3630)
 - Fix strict email address searching if contact has more than one address
 - Remove duplicated 'organization' label (#3631)
 - Fix so editor selector is hidden when 'htmleditor' is listed in 'dont_override'
 - Fix wrong (long) label usage (#3627)
 - Fix handling of INBOX's subfolders in special folders config (#3623)
 - Add ifModule statement for setting Options -Indexes in .htaccess file (#3620)
 - Fix crashes with eAccelerator (#3608)
 - Fix searching on IMAP servers without CHARSET specifier support (#3619)
 - Fix expanding folders during drag&drop (#3611)
 - Fix wrong postgres sequence name in upgrade from 0.6
 - Fix broken CREATE INDEX queries in SQLite DDL files (#3607)
 
 RELEASE 0.7
 -----------
 - Make Roundcube render the Email Standards Project Acid Test correctly
 - Replace prompt() with jQuery UI dialog (#1603)
 - Fix navigation in messages search results
 - Improved handling of some malformed values encoded with quoted-printable (#3590)
 - Add possibility to do LDAP bind before searching for bind DN
 - Fix handling of empty <U> tags in HTML messages (#3584)
 - Add content filter for embedded attachments to protect from XSS on IE [CVE-2012-1253] (#3372)
 - Use strpos() instead of strstr() when possible (#3581)
 - Fix handling HTML entities when converting HTML to text (#3582)
 - Fix fit_string_to_size() renders browser and ui unresponsive (#3577)
 - Fix handling of invalid characters in request (#3536)
 - Fix merging some configuration options in update.sh script (#2181)
 - Fix so TEXT key will remove all HEADER keys in IMAP SEARCH (#3578)
 - Fix handling contact photo url with https:// prefix (#3575)
 - Fix possible infinite redirect on attachment preview (#3572)
 - Improved clickjacking protection for browsers which don't support X-Frame-Options headers
 - Fixed bug where similar folder names were highlighted wrong (#3345)
 - Fixed bug in handling link with '!' character in it (#3569)
 - Fixed bug where session ID's length was limited to 40 characters (#3570)
 - TinyMCE security issue: removed moxieplayer (embedding flv and mp4 is not supported anymore)
 
 RELEASE 0.7-beta
 ----------------
 - Fix handling of HTML form elements in messages (#1604)
 - Fix regression in setting recipient to self when replying to a Sent message (#3101)
 - Fix listing of folders in hidden namespaces (#2895)
 - Don't consider \Noselect flag when building folders tree (#3448)
 - Fix sorting autocomplete results (#3504)
 - Add option to set session name (#2630)
 - Add option to skip alternative email addresses in autocompletion
 - Fix inconsistent behaviour of Compose button in Drafts folder, add Edit button for drafts
 - Fix problem with parsing HTML message body with non-unicode characters (#3312)
 - Add option to define matching method for addressbook search (#2720, #3378)
 - Make email recipients separator configurable
 - Fix so folders with \Noinferiors attribute aren't listed in parent selector
 - Fix handling of curly brackets in URLs (#3555)
 - Fix handling of dates (birthday/anniversary) in contact data (#3552)
 - Fix error on opening searched LDAP contact (#3550)
 - Fix redundant line break in flowed format (#3551)
 - Fix IDN address validation issue (#3544)
 - Fix JS error when dst_active checkbox doesn't exist (#3540)
 - Autocomplete LDAP records when adding contacts from mail (#3498)
 - Plugin API: added 'ready' hook (#3492)
 - Ignore DSN request when it isn't supported by SMTP server (#3300)
 - Make sure LDAP name fields aren't arrays (#3523)
 - Fixed imap test to non-default port when using ssl (#3532)
 - Force all files to be overwritten when updating (#3531)
 - Fix issue where it wasn't possible to change list view mode in folder manager for INBOX (#3522)
 - Fix namespace handling in special folders settings (#3527)
 - Disable time limit for CLI scripts (#3524)
 - Fix misleading display when chaning editor type (#3519)
 - Add loading indicator on contact delete
 - Fix bug where after delete message rows can be added to the list of another folder (#3263)
 - Add notice on autocompletion that not all records were displayed
 - Add option 'searchonly' for LDAP address books
 - Add Priority filter to the messages list
 - Cache synchronization using QRESYNC/CONDSTORE
 - Trigger 'new_messages' hook for all checked folders (#3503)
 - Make date/time format user configurable; drop 'date_today' config option
 - Fix setting title for truncated subject in IE (#3141)
 - Fix displaying multipart/alternative messages with only one part (#3400)
 - Rewritten messages caching:
   Indexes are stored in a separate table, so there's no need to store all messages in a folder
   Added threads data caching
   Flags are stored separately, so flag change doesn't cause DELETE+INSERT, just UPDATE
 - Improved FETCH response handling
 - Improvements in response tokenization method
 - Use 'From' and 'To' labels instead of 'Sender' and 'Recipient'
 - Fix username case-insensitivity issue in MySQL (#3462)
 - Addressbook Saved Searches
 - Added spellchecker exceptions dictionary (shared or per-user)
 - Added possibility to ignore words containing caps, numbers, symbols (spellcheck_ignore_* options)
 - Added 'priority' column on messages list (#2884)
 - Localize forwarded message header (#3487)
 
 RELEASE 0.6
 -----------
 - Fix bug where the last identity is used on reply (#3516)
 - Fix locked folder rename option on servers supporting RFC2086 only (#3508)
 - Fix session race conditions when composing new messages
 - Fix encoding of LDAP contacts identifiers (#3501)
 - jQuery 1.6.4
 - Fix handling of binary attachments encoded with quoted-printable (#3494)
 - Fix text-overflow:ellipsis issues on messages list in FF7 and Webkit (#3490)
 - Fix handling of links with IP address
 - Fix compacting folder resets message list filter (#3499)
 
 RELEASE 0.6-rc
 ----------------
 - Send X-Frame-Options headers to protect from clickjacking (#3079)
 - Fallback to mail_domain in LDAP variable replacements; added 'host' to 'user_create' hook arguments (#3464)
 - Fixed wrong vCard type parameter mobile (#3496)
 - Fixed vCard WORKFAX issue (#3476)
 - Add vCard's Profile URL support (#3491)
 - jQuery 1.6.3
 - Fix imap_cache setting to values other than 'db' (#3489)
 - Fix handling of attachments inside message/rfc822 parts (#3466)
 - Make list of mimetypes that open in preview window configurable (#3175)
 - Added plugin hook 'message_part_get' for attachment downloads
 - Added unique connection identifier to IMAP debug messages
 - Fix image type check for contact photo uploads
 
 RELEASE 0.6-beta
 ----------------
 - Fixed selecting identity on reply/forward (#3434)
 - Add option to hide selected LDAP addressbook on the list
 - Add client-side checking of uploaded files size
 - Add newlines between organization, department, jobtitle (#3468)
 - Recalculate date when replying to a message and localize the cite header (#3212)
 - Fix handling of email addresses with quoted local part (#3401)
 - Fix EOL character in vCard exports (#3357)
 - Added optional "multithreading" autocomplete feature
 - Plugin API: Added 'config_get' hook
 - Fixed new_user_identity plugin to work with updated rcube_ldap class (#3443)
 - Plugin API: added folder_delete and folder_rename hooks
 - Added possibility to undo last contact delete operation
 - Fix sorting of contact groups after group create (#3258)
 - Add optional textual upload progress indicator (#2330)
 - Fix parsing URLs containing commas (#3425)
 - Added vertical splitter for books/groups list in addressbook (#3389)
 - Improved namespace roots handling in folder manager
 - Added searching in all addressbook sources
 - Added addressbook source selection in contacts import
 - Implement LDAPv3 Virtual List View (VLV) for paged results listing
 - Use 'address_template' config option when adding a new address block (#3406)
 - Added addressbook advanced search
 - Add popup with basic fields selection for addressbook search
 - Case-insensitive matching in autocompletion (#3398)
 - Added option to force spellchecking before sending a message (#1862)
 - Fix handling of "<" character in contact data, search fields and folder names (#3349)
 - Fix saving "<" character in identity name and organization fields (#3349)
 - Added option to specify to which address book add new contacts
 - Added plugin hook for keep-alive requests
 - Store user preferences in session when write-master is not available and session is stored in memcache, write them later
 - Improve performence of folder manager operations
 - Fix default_port option handling in Installer when config.inc.php file exists (#3390)
 - Removed option focus_on_new_message, added newmail_notifier plugin
 - Added general rcube_cache class with Memcache and APC support
 - Improved caching performance by skipping writes of unchanged data
 - Option enable_caching replaced by imap_cache and messages_cache options
 - Fix WORKFAX saving in address book (#3380)
 - Add forward-as-attachment feature
 - jQuery-1.6.2 (#5158, #3154)
 - Improve display name composition when saving contacts (#3153)
 - Fix problems with subfolders of INBOX folder on some IMAP servers (#3247)
 - Fix handling of folders that doesn't belong to any namespace (#3184)
 - Enable multiselection for attachments uploading in capable browsers (#2266)
 - Add possibility to change HTML editor configuration by skin
 - Fix a bug where selecting too many contacts would produce too large URI request (#3369)
 - Improve performance by including files with absolute path (#3337)
 - Move folder name truncation to client/skin (#1822)
 - Added plugin hook for request token creation
 - Replace LDAP vars in group queries (#3329)
 - Fix vcard folding with uncode characters (#3353)
 - Keep all submitted data if contact form validation fails (#3350)
 - Handle uncode strings in rcube_addressbook::normalize_string() (#3351)
 - Fix handling of debug_level=4 in ajax requests (#3327)
 - Enable TinyMCE's contextmenu (#3062)
 - Allow multiple concurrent compose sessions
 - New config option for custom logo
 - Allow skins to define/override texts with <roundcube:label />
 - Add simple ACL rights/namespace handling in folder manager
 - Force IE to send referers (#3306)
 - Better display of vcard import results (#1861)
 - Improved vcard import
 - Interactive update script with improved DB schema check
 - Fix problem with contactgroupmembers table creation on MySQL 4.x, add index on contact_id column
 - Add LDAP SASL bind and proxy authentication (#2810)
 - Replying to a sent message puts the old recipient as the new recipient (#3101)
 - Fulltext search over (almost) all data for contacts
 - Extend address book with rich contact information
 
 RELEASE 0.5.4
 -------------
 - Fix XSS vulnerability in UI messages [CVE-2011-2937] (#3469)
 
 RELEASE 0.5.3
 -------------
 - Fix identities "reply-to" and "bcc" fields have a bogus value when left empty (#3405)
 - Fix issue which cases IMAP disconnection when encrypt() method was used (#3374)
 - Fix some CSS issues in Settings for Internet Explorer 
 - Fixed handling of folder with name "0" in folder selector
 - Fix bug where messages were deleted instead moved to trash folder after Shift key was used (#3376)
 - Fix relative URLs handling according to a <base> in HTML (#3368)
 - Fix handling of top-level domains with more than 5 chars or unicode chars (#3366)
 - Fix usage of non-standard HTTP error codes (#3297)
 - Fix PHP warning on mistaken in_array() usage (#3375)
 
 RELEASE 0.5.2
 -------------
 - TinyMCE 3.4.2 now compatible with IE9
 - PEAR::Net_SMTP 1.5.2, fixed timeout issue (#3332)
 - Fix bug where template name without plugin prefix was used in render_page hook
 - Support 'abort' and 'result' response in 'preferences_save' hook, add error handling
 - Fix bug where some content would cause hang on html2text conversion (#3348)
 - Improve space-stuffing handling in format=flowed messages (#3346)
 - Fix bug where some dates would produce SQL error in MySQL (#3342)
 - Added workaround for some IMAP server with broken STATUS response (#3344)
 - Fix bug where default_charset was not used for text messages (#3328)
 - Stateless request tokens. No keep-alive necessary on login page (#3325)
 - Force names of unique constraints in PostgreSQL DDL
 - Add code for prevention from IMAP connection hangs when server closes socket unexpectedly
 - Remove redundant DELETE query (for old session deletion) on login
 - Get around unreliable rand() and mt_rand() in session ID generation (#2516)
 - Fix some emails are not shown using Cyrus IMAP (#3316)
 - Fix handling of mime-encoded words with non-integral number of octets in a word (#3301)
 - Fix parsing links with non-printable characters inside (#3305)
 - Fixed de_CH Localization bugs (#3279)
 - Add variable for 'Today' label in date_today option (#2394)
 - Fix dont_override setting does not override existing user preferences (#3205)
 - Use only one from IMAP authentication methods to prevent login delays (1487784)
 - Support strftime format in date_today option
 - Fix SQL query in rcube_user::query() so it uses index on MySQL again
 - Removed redundant </form> tags from contact add/edit pages
 - Fix CSS error in contact details screen on IE7 (#3281)
 
 RELEASE 0.5.1
 -------------
 - Fix handling of attachments with invalid content type (#3275)
 - Add workaround for DBMail's bug http://www.dbmail.org/mantis/view.php?id=881 (#3274)
 - Use IMAP's ID extension (RFC2971) to print more info into debug log
 - Security: add optional referer check to prevent CSRF in GET requests
 - Fix email_dns_check setting not used for identities/contacts (#3251)
 - Fix ICANN example addresses doesn't validate (#3253)
 - Security: protect login form submission from CSRF [CVE-2011-1491]
 - Security: prevent from relaying malicious requests through modcss.inc [CVE-2011-1492]
 - Fix handling of non-image attachments in multipart/related messages (#3261)
 - Fix IDNA support when IDN/INTL modules are in use (#3253)
 - Fix handling of invalid HTML comments in messages (#3269)
 - Fix parsing FETCH response for very long headers (#3264)
 - Fix add/remove columns in message list when message_sort_order isn't set (#3262)
 - Check mime headers before attempt to parse them (#3256)
 - Quote header values in show_additional_headers plugin (#3255)
 - Fix settings UI on IE 6 (#3246)
 - Remove double borders in folder listing (#3236)
 - Separate full message headers UI element from headers table (#3238)
 - Add part MIME ID to message_part_* hooks (#3241) 
 - Improve parsing of MS Outlook vCards (#3239)
 - Updated PEAR::Net_Socket to 1.0.10
 - Updated PEAR::Net_IDNA2 to 0.1.1
 - Fix handling of comments inside an email address spec. (#3210)
 - Show full mail subject as title when hovering a cut subject link (#3141)
 - Fix randomly disappearing folders list in IE (#3231)
 - Fix list column add/removal in IE (#3230)
 - Fix login redirect issues (#3221)
 - Require PHP 5.2.1 or greater
 - Fix %h/%z variables in username_domain option (#3228)
 - Workaround for setting charset in case of malformed bodystructure response (#3227)
 - Fix impossible to subscribe to protected folders (#3199)
 - Fix setting timezone in Preferences (#3232)
 
 RELEASE 0.5
 -----------
 - Fix double-login/session issue (#3124)
 - Wrap HTML parts with <html><body> and add Doctype declaration (#3119)
 - Make rcube_autoload silently skip unknown classes (#3128)
 - Fix charset detection in vcards with encoded values (#1934)
 - Better CSS cursors for splitters (#2954)
 - Show the same message only once (#3186)
 - Fix namespaces handling (#3192)
 - Add handling of multifolder METADATA/ANNOTATION responses
 - Fix handling of INBOX when personal namespace prefix is non-empty (#3200)
 - Fix handling square brackets in links (#3209)
 - Add description of 'use_https' option in main.inc.php.dist file
 
 RELEASE 0.5-RC
 --------------
 - Plugin API: Add 'pass' argument in 'authenticate' hook (#3147)
 - Fix attachments of type message/rfc822 are not listed on attachments list
 - Add 'login_lc' config option for case-insensitive authentication (#3131)
 - Fix window is blur'ed in IE when selecting a message (#3161)
 - Fix cursor position on compose form in Webkit browsers (#2796)
 - Fix setting charset of attachment filenames (#3136)
 - Allow setting autocomplete attribute for all inputs separately (#3158)
 - New Folder Manager UI
 - Fix invalid Request when creating a folder (#3165)
 - Add folder size and quota indicator in folder manager (#2112)
 - Add possibility to move a subfolder into root folder (#2890)
 - Fix copying all messages in a folder copies only messages from current page
 - Improve performance of moving or copying of all messages in a folder
 - Fix plaintext versions of HTML messages don't contain placeholders for emotions (#1657)
 - Improve performance of folder rename and delete actions
 - Better support for READ-ONLY and NOPERM responses handling (#3108)
 - Add confirmation message on purge/expunge command response
 - Fix handling of untagged responses for AUTHENTICATE command (#3171)
 - Add username and IP address to log message on unsuccessful login (#3176)
 - Improved Mail-Followup-To and Mail-Reply-To headers handling
 - Fix charset conversion for text attachments without charset specification (#3181)
 
 RELEASE 0.5-BETA
 ----------------
 - Make session data storage more robust against garbage session data (#3148)
 - Config option for autocomplete on login screen
 - Allow plugin templates to include local files (#3146)
 - List groups in address detail view and allow to subscribe/unsubscribe from there (#2862)
 - Messages caching: performance improvements, fixed syncing, fixes related with #2857
 - Add link to identities in compose window (#2843)
 - Add Internationalized Domain Name (IDNA) support (#729)
 - Add option to automatically send read notifications for known senders (#2199)
 - Add option to "Return receipt" will be always checked (#2571)
 - Fix HTML to plain text conversion doesn't handle citation blocks (#2992)
 - Use custom sorting when SORT is disabled by IMAP admin (#3020)
 - Allow setting some washtml options from plugin (#2727)
 - Add option do bind for an individual LDAP address book (#3048)
 - Change reply prefix to display email address only if sender name doesn't exist (#2709)
 - Plugin API: improved 'abort' flag handling, added 'result' item in some hooks (#2988)
 - Fix mailto optional params in plain text messages aren't handled (#3071)
 - Add Reply-to-List feature (#977)
 - Add Mail-Followup-To/Mail-Reply-To support (#1937)
 - Fix confirmation message isn't displayed after sending mail on Chrome (#2437)
 - Fix keyboard doesn't work with autocomplete list with Chrome (#3073)
 - Improve tabs to fixed width and add tabs in identities info (#3030)
 - Add unique index on users.username+users.mail_host
 - Make htmleditor option more consistent and add option to use HTML on reply to HTML message (#2164)
 - Use empty envelope sender address for message disposition notifications (RFC 2298.3)
 - Support SMTP Delivery Status Notifications - RFC 3461 (#2409)
 - Use css sprite image for messages list
 - Add (different) attachment icon for messages of type multipart/report (#2426)
 - Prevent from inserting empty link when composing HTML message (#3007)
 - Add caching support in id2uid and uid2id functions (#3065)
 - Add SASL proxy authentication for SMTP (#2811)
 - Improve displaying of UI messages (#3033)
 - Fix double e-mail filed in identity form (#3088)
 - Display IMAP errors for LIST/THREAD/SEARCH commands (#2981)
 - Add LITERAL+ (IMAP4 non-synchronizing literals) support (RFC 2088)
 - Add separate column for message status icon (#2788)
 - Add ACL extension support into IMAP classes (RFC 4314)
 - Add ANNOTATEMORE extension support into IMAP classes (draft-daboo-imap-annotatemore)
 - Add METADATA extension support into IMAP classes (RFC 5464)
 - Fix decoding of e-mail address strings in message headers (#3097)
 - Fix handling of attachments when Content-Disposition is not inline nor attachment (#3086)
 - Improve performance of unseen messages counting (#3090)
 - Improve performance of messages counting using ESEARCH extension (RFC4731)
 - Add LIST-STATUS support in rcube_imap_generic class (RFC 5819)
 - Add SASL-IR support in IMAP (RFC 4959)
 - Add LOGINDISABLED support (RFC 2595)
 - Add support for AUTH=PLAIN in IMAP authentication
 - Re-implemented SMTP proxy authentication support
 - Add support for IMAP proxy authentication (#2808)
 - Add support for AUTH=DIGEST-MD5 in IMAP (RFC 2831)
 - Fix parent folder with unread subfolder not bold when message is open (#3104)
 - Add basic IMAP LIST's \Noselect option support
 - Add support for selection options from LIST-EXTENDED extension (RFC 5258)
 - Don't list subscribed but non-existent folders (#2474)
 - Fix handling of URLs with tilde (~) or semicolon (;) character (#3110, #3111)
 - Plugin API: added 'contact_form' hook
 - Add SORT=DISPLAY support (RFC 5957)
 - Plugin API: add possibility to disable plugin in AJAX mode, 'noajax' property
 - Plugin API: add possibility to disable plugin in framed mode, 'noframe' property
 - Improve performance of setting IMAP flags using .SILENT suffix
 - Improve performance of message cache status checking with skip_disabled=true
 - Support contact's email addresses up to 255 characters long (#3116)
 - Add option to place replies in the folder of the message being replied to (#2248)
 - Add missing confirmation/error messages on contact/group/message actions (#2935)
 - Add 'loading' message on message move/copy/delete/mark actions
 - Improve responsiveness of messages displaying (#3039)
 - Add option for minimum length of autocomplete's string (#2625)
 - Fix operations on messages in unsubscribed folder (#3126)
 - Add support for shared folders (#525)
 - Fix handling of folders with name "0" (#3133)
 - Fix handling of folders with "<>" characters in name
 - jQuery 1.4.4
 - Fix handling of HTML entity strings in plain text messages
 - Fix focused elements aren't unfocused when clicking on the list (#3137)
 - Fix error in MSSQL DDL scripts (#3130)
 - Lock submit button in onsubmit event on login page (#3078)
 - Don't set attachment's charset in Content-type header (#3136)
 - Fix handling of message bodies (quoted-printable encoded) with NULL characters (#2448)
 - Add workaround for MSOE's multipart/related messages with non-related attachments
 
 RELEASE 0.4.2
 -------------
 - Fix handling of backslash as IMAP delimiter
 - Fix charset replacement in HTML message bodies (#3067)
 - Fix: contact group input is empty when using rename action more than once on the same group record
 - Fix "Server Error! (Not Found)" when using utils/save-pref action (#3069)
 - Fix handling of Thunderbird's vCards (#3070)
 
 RELEASE 0.4.1
 -------------
 - Fix space-stuffing in format=flowed messages (#3064)
 - Fix msgexport.sh now using the new imap wrapper
 - Avoid displaying password on shell (#3010)
 - Only lower-case user name if first login attempt failed (#2600)
 - Make alias setting in squirrelmail_usercopy plugin configurable (patch by pommi, #3056)
 - Prevent from saving a non-existing skin path in user prefs (#3004)
 - Improve handling of single-part messages with bogus BODYSTRUCTURE (#2976)
 - Fix path to SQL files when using pgsql/mysqli/sqlsrv drivers (#2979)
 - Fix upgrade script for SQLite (#2980)
 - Fixes in SQL init script + added update script for MSSQL database
 - Remove redundant date in syslog messages (#3008)
 - Fix contacts list page controls when a group is selected (#3009)
 - Fix SMTP test in Installer (#3014)
 - Fix "Select all" causes message to be opened in folder with exactly one message (#2987)
 - Fix Tab key doesn't work in HTML editor in Google Chrome (#2995)
 - Fix TinyMCE uses zh_CN when zh_TW locale is set (#2998)
 - Fix TinyMCE buttons are hidden in Opera (#2993)
 - Fix JS error on IE when trying to send HTML message with enabled spellchecker (#3006)
 - Display inline images with known extensions and non-image content-type (#3002)
 - Fix "Threaded" checkbox after subfolder creation (#2997)
 - Fix timezone string in sent mail (#3021)
 - Show disabled checkboxes for protected folders instead of dots (#1898)
 - Added fieldsets in Identity form, added 'identity_form' hook
 - Re-added 'Close' button in upload form (#2999, #2917)
 - Fix handling of charsets with LATIN-* label
 - Fix messages background image handling in some cases (#3043)
 - Fix format=flowed handling (#3042)
 - Fix when IMAP connection fails in 'get' action session shouldn't be destroyed (#3046)
 - Fix list_cols is not updated after column dragging (#3050)
 - Support %z variable in host configuration options (#3054)
 
 RELEASE 0.4
 -----------
 - Fix disappearing upload form disappears when user selects a file on Safari (#2917)
 - Don't replace error messages with loading info (#2534)
 - Fix JS errors on compose mode switch (#2952)
 - Fix message structure parsing when it lacks optional fields (#2960)
 - Include all recipients in sendmail log
 - Support HTTP_X_FORWARDED_PROTO header for HTTPS detecting (#2950)
 - Fix default IMAP port configuration (#2948)
 - Create Sent folder when starting to compose a new message (#2900)
 - Fix handling of messages with Content-Type: application/* and no filename (#840)
 - Improved compose screen: resizable body and attachments list, vertical splitter, options menu
 - Fix RC forgets search results (#722)
 - TinyMCE 3.3.7
 - Improve parsing of styled empty tags in HTML messages (#2908)
 - Add %dc variable support in base_dn/bind_dn config (#2881)
 - Add button to hide/unhide the preview pane (#955)
 - Fix no-cache headers on https to prevent content caching by proxies (#2897)
 - Fix attachment filenames broken with TNEF decoder using long filenames (#2894)
 - Use user's timezone in Date header, not server's timezone (#2393)
 - Add option to set separate footer for HTML messages (#2784)
 - Add real SMTP error description to displayed error messages (#2233)
 - Fix some IMAP errors handling when opening the message (#1848)
 - Fix related parts aren't displayed when got mimetype other than image/* (#2629)
 - Multiple identity and database support for squirrelmail_usercopy plugin (#2686)
 - Support dynamic hostname (%d/%n) variables in configuration options (#1843)
 - Add 'messages_list' hook (#2504)
 - Add request* event triggers in http_post/http_request (#2340)
 - Fix use RFC-compliant line-delimiter when saving messages on IMAP (#2828)
 - Add 'imap_timeout' option (#2869)
 - Fix forwarding of messages with winmail attachments
 - Fix handling of uuencoded attachments in message body (#2163)
 - Added list_mailboxes hook in rcube_imap::list_unsubscribed() (#2791)
 - Fix wrong message on file upload error (#2839)
 - Add support for data URI scheme [RFC2397] (#2851)
 - Added 'actionbefore', 'actionafter', 'responsebefore', 'responseafter' events
 - Fix double-addition of e-mail domain to content ID in HTML images
 - Read and send messages with format=flowed (#1052), fixes word wrapping issues (#2703)
 - Fix duplicated attachments when forwarding a message (#2670)
 - Fix message/rfc822 attachments containing only attachments are not parsed properly (#2854)
 - Fix %00 character in winmail.dat attachments names (#2850)
 - Fix handling errors of folder deletion (#2821)
 - Parse untagged CAPABILITY response for LOGIN command (#2853)
 - Renamed all php-cli scripts to use .sh extension
 - Some files from /bin + spellchecking actions moved to the new 'utils' task
 - Added thread tree icons
 - Extend contact groups support (#2802)
 - Fix check-recent action issues and performance (#2690)
 - Fix messages order after checking for recent (#1249)
 - Fix autocomplete shows entries without email (#2640)
 - Fix listupdate event doesn't trigger on search response (#2824)
 - Fix select_all_mode value after selecting a message (#2834)
 - Set focus to editor on reply in HTML mode (#2768)
 - Fix composing in HTML jumps cursor to body instead of recipients (#2796)
 - Allow columns order change per user - drag&drop (#2124)
 - Add References header in read receipt (#2801)
 - Fix database constraint violation when opening a message (#2814)
 - Add 'loading' message while login is in progress (#2790)
 - Fix quota_zero_as_unlimited (#2786)
 - Fix folder subscription checking (#2804)
 - Fix INBOX appears (sometimes) twice in mailbox list (#2794)
 - Fix listing of attachments of some types e.g. "x-epoc/x-sisx-app" (#2779)
 - Fix DB Schema checking when some db_table_* options are not set (#2780)
 
 RELEASE 0.4-beta
 ----------------
 - Add sizelimit and timelimit variables in LDAP config (#2704)
 - Hide IMAP host dropdown when single host is defined (#2553)
 - Add images pre-loading on login page (#623)
 - Add HTTP_X_REAL_IP and HTTP_X_FORWARDED_FOR to successful logins log (#2634)
 - Fix setting spellcheck languages with extended codes (#2747)
 - Fix messages list scrolling in FF3.6 (#2657)
 - Fix quicksearch input focus (#2770)
 - Always set changed date when flagging a DB record as deleted + provide a cleanup script
 - Fix address book/group selection (#2760)
 - Assign newly created contacts to the active group (#2764)
 - Added option not to mark messages as read when viewed in preview pane (#1513)
 - Allow plugins modify the Sent folder when composing (#2708)
 - Added optional (max_recipients) support to restrict total number of recipients per message (#1167)
 - Re-organize editor buttons, add blockquote and search buttons
 - Make possible to write inside or after a quoted html message (#1878)
 - Fix bugs on unexpected IMAP connection close (#2449, #2507)
 - Iloha's imap.inc rewritten into rcube_imap_generic class
 - Added contact groups in address book (not finished yet)
 - Added PageUp/PageDown/Home/End keys support on lists (#2627)
 - Added possibility to select all messages in a folder (#1312)
 - Added 'imap_force_caps' option for after-login CAPABILITY checking (#2087)
 - Password: Support dovecotpw encryption
 - TinyMCE 3.3.1
 - Implemented messages copying using drag&drop + SHIFT (#863)
 - Improved performance of folders operations (#2689)
 - Fix blocked.gif attachment is not attached to the message (#2685)
 - Managesieve: import from Horde-INGO
 - Managesieve: support for more than one match (#2362)
 - Managesieve: support for selectively disabling rules within a single sieve script (#2198)
 - Threaded message listing now available
 - Added sorting by ARRIVAL and CC
 - Message list columns configurable by the user
 - Removed 'index_sort' option, now we're using empty 'message_sort_col' for this
 - virtuser_query: support other identity data (#2413)
 - Options virtuser_* replaced with virtuser_* plugins
 - Plugin API: Implemented 'email2user' and 'user2email' hooks
 - Fix forwarding message omits CC header (#2538)
 - Add 'default_charset' option to user preferences (#1855)
 - Add 'delete_always' option to user preferences
 - Support/Require tls:// prefix in 'smtp_server' option for TLS connections
 - Fix inconsistent behaviour of 'delete_always' option (#2533)
 - Fix deleting all messages from last list page (#2528)
 - Flag original messages when sending a draft (#2458)
 - Changed signature separator when top-posting (#2555)
 - Let the admin define defaults for search modifiers (#2211)
 - Fix long e-mail addresses validation (#2641)
 - Remember search modifiers in user prefs (#2411)
 - Added force_7bit option to force MIME encoding of plain/text messages (#2679)
 - Use case sensitive check when checking for default folders (#2567)
 - Fix checking for new mail: now checks unseen count of inbox (#2123)
 - Improve performance by avoiding unnecessary updates to the session table (#2552)
 - Fix invalid <font> tags which cause HTML message rendering problems (#2687)
 - Fix CVE-2010-0464: Disable DNS prefetching (#2639)
 - Fix Received headers to behave better with SpamAssassin (#2682)
 - Password: Make passwords encoding consistent with core, add 'password_charset' global option (#2658)
 - Fix adding contacts SQL error on mysql (#2645)
 - Squirrelmail_usercopy: support reply-to field (#2678)
 - Fix IE spellcheck suggestion popup issue (#2656)
 - Fix email address auto-completion shows regexp pattern (#2498)
 - Fix merging of configuration parameters: user prefs always survive (#2584) 
 - Fix quota indicator value after folder purge/expunge (#2671)
 - Fix external mailto links support for use as protocol handler (#2328)
 - Fix attachment excessive memory use, support messages of any size (#1245)
 - Fix setting task name according to auth state
 - Password: fix vpopmaild driver (#2662)
 - Add workaround for MySQL bug [http://bugs.mysql.com/bug.php?id=46293] (#2659)
 - Fix quoted text wrapping when replying to an HTML email in plain text (#897)
 - Fix handling of extended mailto links (with params) (#2573)
 - Fix sorting by date of messages without date header on servers without SORT (#2521)
 - Fix inconsistency when not using default table names (#2652)
 - Fix folder rename/delete buttons do not appear on creation of first folder (#2653)
 - Fix character set conversion fails on systems where iconv doesn't accept //IGNORE (#2590)
 - Log in performance: Create default folders on first login only
 - Import contacts into the selected address book (by Phil Weir)
 - Add support for MDB2's 'sqlsrv' driver (#2602)
 - Use jQuery-1.4
 - Removed problematic browser-caching of messages
 - Fix incompatybility with suhosin.executor.disable_emodifier (#2549)
 - Use PLAIN auth when CRAM fails and imap_auth_type='check' (#2587)
 - Fix removal of <title> tag from HTML messages (#2629)
 - Fix 'force_https' to specified port when URL contains a port number (#2612)
 - Fix to-text converting of HTML entities inside b/strong/th/hX tags (#2621)
 - Bug in spellchecker suggestions when server charset != UTF8 (#2607)
 - Managesieve: Fix requires generation for multiple actions (#2603)
 - Fix LDAP problem with special characters in RDN (#2548)
 - Improved handling of message parts of type message/rfc822
 - Plugin API: added 'quota' hook
 - Fix parsing conditional comments in HTML messages (#2569)
 - Use built-in json_encode() for proper JSON format in AJAX replies
 - Allow setting only selected params in 'message_compose' hook (#2543)
 - Plugin API: added 'message_compose_body' hook (#2520)
 - Fix counters of all folders are checked in 'getunread' action  with check_all_folders disabled (#2399)
 - Fix displaying alternative parts in messages of type message/rfc822 (#2488)
 - Fix possible messages exposure when using Roundcube behind a proxy (#2516)
 - Fix unicode para and line separators in javascript response (#2542)
 - Additional_message_headers: allow unsetting headers, support plugin's config file (#2505)
 - Fix displaying of hidden directories in skins list (#2535)
 - Fix open_basedir restriction error when reading skins list (#2537)
 - Fix pasting from Office apps into html editor (#2508)
 - Fix empty <a> tags parsing (#2509)
 - Don't cut off attachment names when using non-RFC2231 encoding (#1912)
 - Allow inserting signatures above replied message body (#991)
 - Managesieve 2.0: multi-script support
 - Fix imap_auth_type regression (#2502)
 
 RELEASE 0.3.1
 ------------------
 - Specify toolbar container in compose template (#2489)
 - Fix $_SERVER['HTTPS'] check for SSL forcing on IIS (#2486)
 - Avoid unnecessary page loads for selected tab (#2324)
 - Fix quota indicator issues by content generation on client-size (#2454, #2470)
 - Don't display disabled sections in Settings (#2380)
 - Added server-side e-mail address validation with 'email_dns_check' option (#2175)
 - Fix login page loading into an iframe when session expires (#2253)
 - Allow setting port number in 'force_https' option (#2373)
 - Option 'force_https' replaced by 'force_https' plugin
 - Fix IE issue with non-UTF-8 characters in AJAX response (#2422)
 - Partially fixed "empty body" issue by showing raw body of malformed message (#2427)
 - Fix importing/sending to email address with whitespace (#2467)
 - Added XIMSS (CommuniGate) driver for Password plugin
 - Fix newly attached files are not saved in drafts w/o editing any text (#2457)
 - Added attachment upload indicator with parallel upload (#2344)
 - Use default_charset for bodies of messages without charset definition (#2446)
 - Password: added cPanel driver
 - Fix return to first page from e-mail screen (#2385)
 - Fix handling HTML comments in HTML messages (#2448)
 - Fix folder/messagelist controls alignment - icons used (#2356)
 - Fix LDAP addressbook shows 'Contact not found' error sometimes (#2438)
 - Fix cache status checking + improve cache operations performance (#2384)
 - Prevent from setting INBOX as any of special folders (#2390)
 - Fix regular expression for e-mail address (#2417)
 - Fix Received header format
 - Implemented sorting by message index - added 'index_sort' option (#2240)
 - Fix dl() use in installer (#2415)
 - Added 'ldap_debug' option
 - Fix "Empty startup greeting" bug (#2369)
 - Fix setting user name in 'new_user_identity' plugin (#2405)
 - Fix incorrect count of new messages in folder list when using multiple IMAP clients (#2289)
 - Fix all folders checking for new messages with disabled caching (#2399)
 - Support skins in 'archive' and 'markasjunk' plugins
 - Added 'html_editor' hook (#2353)
 - Fix DB constraint violation when populating messages cache (#2338)
 - Password: added password strength options (#2348)
 - Fix LDAP partial result warning (#1928)
 - Fix delete in message view deletes permanently with flag_for_deletion=true (#2382)
 - Use faster/secure mt_rand() (#2376)
 - Fix roundcube hangs on empty inbox with bincimapd (#2375)
 - Fix wrong headers for IE on servers without $_SERVER['HTTPS'] (#2232)
 - Force IE style headers for attachments in non-HTTPS session, 'use_https' option (#2023)
 - Check 'post_max_size' for upload max filesize (#2372) 
 - Password Plugin: Fix %d inserts username instead of domain (#2371)
 - Fix rcube_mdb2::affected_rows() (#2366)
 
 RELEASE 0.3-stable
 ------------------
 - Fix gn and givenName should be synonymous in LDAP addressbook (#2208)
 - Add mail_domain to LDAP email entries without @ sign (#1652)
 - Fix saving empty values in LDAP contact data (#2113)
 - Fix LDAP contact update when RDN field is changed (#2119)
 - Fix LDAP attributes case senitivity problems (#2155)
 - Fix LDAP addressbook browsing when only one directory is used (#2314)
 - Fix endless loop on error response for APPEND command (#2346)
 - Don't require date.timezone setting in installer (#2284)
 - Fix date sorting problem with Courier IMAP server (#2351)
 - Unselect pressed buttons on mouse up (#2283)
 - Don't set php_value error_log in .htaccess but mention in INSTALL (#2230)
 - Fix too small status/flag/attachment columns in Safari 4 (#2349)
 - Fix selection disabling while dragging splitter in webkit browsers (#2342)
 - Added 'new_messages' plugin hook (#2298)
 - Added 'logout_after' plugin hook (#2333)
 - Added 'message_compose' hook
 - Added 'imap_connect' hook (#2256)
 - Fix vcard_attachments plugin (#2326)
 - Updated PEAR::Auth_SASL to 1.0.3 version
 - Use sequence names only with PostgreSQL (#2310)
 - Re-designed User Preferences interface 
 - Fix MS SQL DDL (#2312)
 - Fix rcube_mdb2.php: call to setCharset not implemented in mssql driver (#2311)
 - Added 'display_next' option
 - Fix rcube_mdb2::unixtimestamp for MS SQL (#2308)
 - Fix HTML washing to respect character encoding
 - Fix endless loop in iil_C_Login() with Courier IMAP (#2303)
 - Fix #messagemenu display on IE (#2299)
 - Speedup UI by using sprites for (toolbar) buttons
 - Fix charset names with X- prefix handling
 - Fix displaying of HTML messages with unknown/malformed tags (#2296)
 
 RELEASE 0.3-RC1
 ---------------
 - Fix import of vCard entries with params (#1857)
 - Fix HTML messages output with empty block elements (#2271)
 - Use request tokens to protect POST requests from CSRF [CVE-2009-4076, CVE-2009-4077]
 - Added hook when killing a session
 - Added hook to write_log function (#2268)
 - Performance improvements by use UID commands (#2046)
 - Fix HTML editor tabIndex setting (#2269)
 - Added 'imap_debug' and 'smtp_debug' options
 - Support strftime's format modifiers in date_* options (#1354)
 - Support %h variable in 'smtp_server' option (#2101)
 - Show SMTP errors in browser (#2233)
 - Allow WBR tag in HTML message (#2259)
 - Use spl_autoload_register() instead of __autoload (#2250)
 - Add hook for identities listing (#2257)
 - Trigger hook 'smtp_connect' when opening an SMTP connection (#2255)
 - Added config option to enforce HTTPS connections
 - Fix non-unicode characters caching in unicode database (#1209)
 - Performance improvements of messages caching
 - Fix empty Date header issue (#2229)
 - Open collapsed folders during drag & drop (#2221)
 - Fixed link text replacements (#2120)
 - Also trigger 'insertrow' events on page load (#2151)
 - No link on subject in IE browsers (#1438)
 - Fixed filename encoding according to RFC2231 (#2192)
 - Added message Edit feature (#727, #1101)
 - Fix message Etag generation for counter issues (#1996)
 - Fix messages searching on MailEnable IMAP (#2097)
 - Fixed many 'skip_deleted' issues (#2006)
 - Fixed messages list sorting on servers without SORT capability
 - Colorized signatures in plain text messages
 - Reviewed/fixed skip_deleted/read_when_deleted/flag_for_deletion options handling in UI
 - Fix displaying of big maximum upload filesize (#2205)
 - Added possibility to invert messages selection
 - After move/delete from 'show' action display next message instead of messages list (#2203)
 - Fixed problem with double quote at the end of folder name (#2200)
 - Speedup UI by using CSS sprites and etags/expires/deflate in Apache config (#1397,#2128)
 - Support UID EXPUNGE: remove only moved/deleted messages
 - Add drag cancelling with ESC key (#1036)
 - Support initial identity name from virtuser_query (#807)
 - Added message menu, removed Print and Source buttons
 - Added possibility to save message as .eml file (#2178)
 - Added 1 minute interval in autosave options (#2173)
 - Support UTF-7 encoding in messages (#2156)
 - Better support for malformed character names (#2093)
 
 RELEASE 0.3-BETA
 ----------------
 - Plugin API + jQuery engine
 - Added possibility to encrypt received header, option 'http_received_header_encrypt',
   added some more logic in encrypt/decrypt functions for security
 - Fix Answered/Forwarded flag setting for messages in subfolders
 - Fix autocomplete problem with capital letters (#2122)
 - Support UUencode content encoding (#2163)
 - Minimize chance of race condition in session handling (#1260)
 - Fix session handling on non-session SQL query error (#2078)
 - Fix html editor mode setting when reopening draft message (#2158)
 - Added quick search box menu (#1010)
 - Fix wrong column sort order icons (#2149)
 - Updated TinyMCE to 3.2.3 version
 - Fix attachment names encoding when charset isn't specified in attachment part (#1483)
 - Fix message normal priority problem (#2146)
 - Fix autocomplete spinning wheel does not disappear (#2132)
 - Added log_date_format option (#2060)
 - Fix text wrapping in HTML editor after switching from plain text to HTML (#1917)
 - Fix auto-complete function hangs with plus sign (#2141)
 - Fix AJAX requests errors handler (#1503)
 - Speed up message list displaying on IE
 - Fix read/write database recognition (#2137)
 
 RELEASE 0.2.2
 -------------
 - Fix quicksearchbox look in Chrome and Konqueror (#1380)
 - Fix UTF-8 byte-order mark removing (#1911)
 - Fix folders subscribtions on Konqueror (#1380) 
 - Fix debug console on Konqueror and Safari
 - Fix messagelist focus issue when modifying status of selected messages (#2134)
 - Support STARTTLS in IMAP connection (#1714)
 - Fix DEL key problem in search boxes (#1923)
 - Support several e-mail addresses per user from virtuser_file (#2036)
 - Fix drag&drop with scrolling on IE (#2117)
 - Fix adding signature separator in html mode (#1768)
 - Fix opening attachment marks message as read (#2131)
 - Fix 'temp_dir' does not support relative path under Windows (#1157)
 - Fix "Initialize Database" button missing from installer (#2130)
 - Fix compose window doesn't fit 1024x768 window (#1807)
 - Fix service not available error when pressing back from compose dialog (#1942)
 - Fix using mail() on Windows (#2111)
 - Fix word wrapping in message-part's <PRE>s for printing (#2118)
 - Fix incorrect word wrapping in outgoing plaintext multibyte messages (#2062)
 - Fix double footer in HTML message with embedded images
 - Fix TNEF implementation bug (#2107)
 - Fix incorrect row id parsing for LDAP contacts list (#2116) 
 - Fix 'mode' parameter in sqlite DSN (#2106)
 
 RELEASE 0.2.1
 ------------------
 - Use US-ASCII as failover when Unicode searching fails (#2097)
 - Fix errors handling in IMAP command continuations (#2097)
 - Fix FETCH result parsing for servers returning flags at the end of result (#2098)
 - Fix datetime columns defaults in mysql's DDL (#2012)
 - Fix attaching more than nine inline images (#2094)
 - Support 'UNICODE-1-1-UTF-7' alias for UTF-7 encoding (#2093)
 - Fix mime-type detection using a hard-coded map (#1735)
 - Don't return empty string if charset conversion failed (#2092)
 - Disable concurrent autocomplete query results display (#2082)
 - Fix new lines stripped from message footer (#2088)
 - Fix IE problem with mouse click autocomplete (#2080)
 - Fix html body washing on reply/forward + fix attachments handling (#2034)
 - Fix multiple recipients input parsing (#2077)
 - Fix replying to message with html attachment (#2034)
 - Use default_charset for messages without specified charset (#2027, #1484961)
 - Support non-standard "GMT-XXXX" literal in date header (#2074)
 - Added TNEF support to decode MS Outlook attachments (winmail.dat)
 - Fix "value continuation" MIME headers by adding required semicolon (#2073)
 - Fix pressing select all/unread multiple times (#2069)
 - Fix selecting all unread does not honor new messages (#2070)
 - Fix some base64 encoded attachments handling (#2071)
 - Support NGINX as IMAP backend: better BAD response handling (#2066)
 - Performance fix: don't fetch attachment parts headers twice to parse filename
 - Fix checking for recent messages on various IMAP servers (#2055)
 - Performance fix: Don't fetch quota and recent messages in "message view" mode
 - Fix displaying of alternative-inside-alternative messages (#2061)
 - Fix MDNSent flag checking, use arbitrary keywords (asterisk) flag (#2059)
 - Fix creation of folders with '&' sign in name
 - Fix parsing of email addresses without angle brackets (#2048)
 - Save spellcheck corrections when switching from plain to html editor (and spellchecking is on)
 - Fix large search results on server without SORT capability (#2031)
 - Get rid of preg_replace() with eval modifier and create_function usage (#2042)
 - Bring back <base> and <link> tags in HTML messages
 - Fix XSS vulnerability through background attributes [CVE-2009-0413]
 - Fix problems with backslash as IMAP hierarchy delimiter (#1116)
 - Secure vcard export by getting rid of preg's 'e' modifier use (#2045)
 - Fix authentication when submitting form with existing session (#2037)
 - Allow absolute URLs to images in HTML messages/sigs (#2029)
 - Fix message body which contains both inline attachments and emotions
 - Fix SQL query execution errors handling in rcube_mdb2 class (#1907)
 - Fix address names with '@' sign handling (#2022)
 - Improve messages display performance
 - Fix messages searching with 'to:' modifier
 
 RELEASE 0.2-STABLE
 ------------------
 - Fix mark popup in IE 7 (#1785)
 - Fix line-break issue when copy & paste in Firefox (#1832)
 - Fix autocomplete "unknown server error" (#2008)
 - Fix STARTTLS before AUTH in SMTP connection (#1415)
 - Support multiple quota values in QUOTAROOT resonse (#1999)
 - Only abbreviate file name for IE < 7 browsers (#1548)
 - Performance: allow setting imap rootdir and delimiter before connect (#1628)
 - Fix sorting of folders with more than 2 levels (#1953)
 - Fix search results page jumps in LDAP addressbook (#1689)
 - Fix empty line before the signature in IE (#1769)
 - Fix horizontal scrollbar in preview pane on IE (#1228)
 - Add Robots meta tag in login page and installer (#1385)
 - Added 'show_images' option, removed 'addrbook_show_images' (#1977)
 - Option to check for new mails in all folders (#1053)
 - Don't set client busy when checking for new messages (#1706)
 - Allow UTF-8 folder names in config (#1960)
 - Add junk_mbox option configuration in installer (#1960)
 - Do serverside addressbook queries for autocompletion (#1925)
 - Allow setting attachment col position in 'list_cols' option
 - Allow override 'list_cols' via skin (#1958)
 - Fix 'cache' table cleanup on session destroy (#1913)
 - Increase speed of session destroy and garbage clean up
 - Fix session timeout when DB server got clock skew (#1890)
 - Fix handling of some malformed messages (#1099)
 - Speed up raw message body handling
 - Better HTML entities conversion in html2text (#1916)
 - Fix big memory consumption and speed up searching on servers without SORT capability
 - Fix setting locale to tr_TR, ku and az_AZ (#1872) 
 - Use SORT for searching on servers with SORT capability
 - Added message status filter
 - Fix empty file sending (#1801)
 - Improved searching with many criterias (calling one SEARCH command)
 - Fix HTML editor initialization on IE (#1731)
 - Add warning when switching editor mode from html to plain (#1888)
 - Make identities list scrollable (#1930)
 - Fix problem with numeric folder names (#1922)
 - Added BYE response simple support to prevent from endless loops in imap.inc (#777)
 - Fix unread message unintentionally marked as read if read_when_deleted=true (#1819)
 - Remove port number from SERVER_NAME in smtp_helo_host (#1915)
 - Don't send disposition notification receipts for messages marked as 'read' (#1918)
 - Added 'keep_alive' and 'min_keep_alive' options (#1777)
 - Added option 'identities_level', removed 'multiple_identities'
 - Allow deleting identities when multiple_identities=false (#1840)
 - Added option focus_on_new_message (#1789)
 - Fix html2text class autoloading on Windows (#1904)
 - Fix html signature formatting when identity save error occurred (#1833)
 - Add feedback and set busy when moving folder (#1897)
 - Fix 'Empty' link visibility for some languages e.g. Slovak (#1889)
 - Fix messages count bar overlapping (#1703)
 - Fix adding signature in drafts compose mode (#1884)
 - Fix iil_C_Sort() to support very long and/or divided responses (#1713)
 - Fix matching case sensitivity when setting identity on reply (#1881)
 - Prefer default identity on reply
 - Fix imap searching on ISMail server (#1870)
 - Add css class for flagged messages (#1868)
 - Write username instead of id in sendmail log (#1879)
 - Fix htmlspecialchars() use for PHP version < 5.2.3 (#1877)
 - Fix js keywords escaping in json_serialize() for IE/Opera (#1874)
 - Added bin/killcache.php script (#1839)
 - Add support for SJIS, GB2312, BIG5 in rc_detect_encoding()
 - Fix vCard file encoding detection for non-UTF-8 strings (#1820)
 - Add 'skip_deleted' option in User Preferences (#1850)
 - Minimize "inline" javascript scripts use (#1838)
 - Fix css class setting for folders with names matching defined classes names (#1772)
 - Fix race conditions when changing mailbox
 - Fix spellchecking when switching to html editor (#1779)
 - Fix compose window width/height (#1807)
 - Allow calling msgimport.sh/msgexport.sh from any directory (#1837)
 - Localized filesize units (#1760)
 - Better handling of "no identity" and "no email in identity" situations (#1592)
 - Added 'mime_param_folding' option with possibility to choose long/non-ascii attachment names encoding eg. to be readable in MS Outlook/OE (#1743)
 - Added "advanced options" feature in User Preferences
 - Fix unread counter when displaying cached massage in preview panel (#1720)
 - Fix htmleditor spellchecking on MS Windows (#1808)
 - Fix problem with non-ascii attachment names in Mail_mime (#1700, #1576)
 - Fix language autodetection (#1812)
 - Fix button label in folders management (#1816)
 - Fix collapsed folder not indicating unread msgs count of all subfolders (#1814)
 - Fix handling of apostrophes in filenames decoded according to rfc2231
 
 RELEASE 0.2-BETA
 ----------------
 - Made config files location configurable (#1664)
 - Reduced memory footprint when forwarding attachments (#1764)
 - Allow and use spellcheck attribute for input/textarea fields (#1545)
 - Added icons for forwarded/forwarded+replied messages (#1691)
 - Added Reply-To to forwarded emails (#1739)
 - Display progress message for folders create/delete/rename (#1774)
 - Smart Tags and NOBR tag support in html messages (#1780, #1748)
 - Redesign of the identities settings (#836)
 - Add config option to disable creation/deletion of identities (#1139)
 - Added 'sendmail_delay' option to restrict messages sending interval (#1135)
 - Added vertical splitter for folders list resizing
 - Added possibility to view all headers in message view
 - Fixed splitter drag/resize on Opera (#1626)
 - Fixed quota img height/width setting from template (#1396)
 - Refactor drag & drop functionality. Don't rely on browser events anymore (#1108)
 - Insert "virtual" folders in subscription list (#1333)
 - Added link to open message in new window
 - Enable export of address book contacts as vCard
 - Add feature to import contacts from vcard files (#395)
 - Respect Content-Location headers in multipart/related messages according to RFC2110 (#1464)
 - Allowed max. attachment size now indicated in compose screen (#1523)
 - Also capture backspace key in list mode (#1186)
 - Allow application/pgp parts to be displayed (#1309)
 - Correctly handle options in mailto-links (#1671)
 - Immediately save sort_col/sort_order in user prefs (#1698)
 - Truncate very long (above 50 characters) attachment filenames when displaying
 - Allow to auto-detect client language if none set (#1095)
 - Auto-detect the client timezone (user configurable)
 - Add RFC2231 header value continuations support for attachment filenames + hack for servers that not support that feature
 - Fix Reply-To header displaying (#1738)
 - Mark form buttons that provide the most obvious operation (mainaction)
 - Added option 'quota_zero_as_unlimited' (#1206)
 - Added PRE handling in html2text class (#1301)
 - Added folder hierarchy collapsing
 - Added options to use syslog instead of log file (#1389)
 - Added Logging & Debugging section in Installer
 - Fix In-Reply-To and References headers when composing saved draft message (#1718)
 - Fix html message charset conversion for charsets with underline (#1717) 
 - Fix buttons status after contacts deletion (#1675)
 - Fix escaping of To: and From: fields when building message body for reply or forward in the HTML editor (#1432)
 - Use current mailbox name in template (#1690)
 - Better fix for skipping untagged responses (#1694)
 - Added pspell support patch by Kris Steinhoff (#781)
 - Enable spellchecker for HTML editor (#1589)
 - Respect spellcheck_uri in tinyMCE spellchecker (#941)
 - Case insensitive contacts searching using PostgreSQL (#1692)
 - Make default imap folders configurable for each user (#1558)
 - Save outgoing mail to selectable folder (#1324581)
 - Fix hiding of mark menu when clicking th button again (#1463)
 - Use long date format in print mode (#1643)
 - Updated TinyMCE to version 3.1.0.1
 - Re-enable autocomplete attribute for login form (#1661)
 - Check PERMANENTFLAGS before saving $MDNSent flag (#1478, #1485163)
 - Added flag column on messages list (#1220)
 - Patched Mail/MimePart.php (http://pear.php.net/bugs/bug.php?id=14232)
 - Allow trash/junk subfolders to be purged (#1568)
 - Store compose parameters in session and redirect to a unique URL
 - Fixed CRAM-MD5 authentication (#1364)
 - Fixed forwarding messages with one HTML attachment (#1103)
 - Fixed encoding of message/rfc822 attachments and image/pjpeg handling (#1439)
 - Added option to select skin in user preferences
 - Added option to configure displaying of attached images below the message body
 - Added option to display images in messages from known senders (#1204)
 - User preferences grouped in more fieldsets
 - Fix corrupted MIME headers of messages in Sent folder (#1587)
 - Fixed bug in MDB2 package: http://pear.php.net/bugs/bug.php?id=14124
 - Use keypress instead of keydown to select list's row (#1362)
 - Don't call expunge and don't remove message row after message move if flag_for_deletion is set to true (#1505)
 
 RELEASE 0.2-ALPHA
 -----------------
 - Added option to disable autocompletion from selected LDAP address books (#1445)
 - TLS support in LDAP connections: 'use_tls' property (#1581)
 - Fixed removing messages from search set after deleting them (#1583)
 - imap.inc: Fixed iil_C_FetchStructureString() to handle many 
   literal strings in response (#1483)
 - Support for subfolders in default/protected folders (#1250)
 - Disallowed delimiter in folder name (#1351)
 - Support " and \ in folder names
 - Escape \ in login (#1214)
 - Better HTML sanitization with the DOM-based washtml script (#1276)
 - Fixed sorting of folders with non-ascii characters
 - Fixed Mysql DDL for default identities creation (#1554)
 - In Preferences added possibility to configure 'read_when_deleted',
   'mdn_requests', 'flag_for_deletion' options
 - Made IMAP auth type configurable (#683)
 - Fixed empty values with FROM_UNIXTIME() in rcube_mdb2 (#1540)
 - Fixed attachment list on IE 6/7 (#1355)
 - Fixed JavaScript in compose.html that shows cc/bcc fields if populated
 - Make password input fields of type password in installer (#1417)
 - Don't attempt to delete cache entries if enable_caching is FALSE (#1537)
 - Optimized messages sorting on servers without sort capability (#1535)
 - Corrected message headers decoding when charset isn't specified and improved
   support for native languages (#1536, #1534)
 - Expanded LDAP configuration options to support LDAP server writes.
 - Installer: encode special characters in DB username/password (#1529)
 - Fixed management of folders with national characters in names (#1526, #1504)
 - Fixed identities saving when using MDB2 pgsql driver (#1525)
 - Fixed BCC header reset (#1501)
 - Improved messages list performance - patch from Justin Heesemann
 - Append skin_path to images location only when it starts with '/' sign (#1398)
 - Fix IMAP response in message body when message has no body (#1479)
 - Fixed non-RFC dates formatting (#1429)
 - Fixed typo in set_charset() (#1498)
 - Decode entities when inserting HTML signature to plain text message (#1497)
 - HTML editing is now working with PHP5 updates and TinyMCE v3.0.6
 - Fixed signature loading on Windows (#1169)
 - Added language support to HTML editing (#1401)
 - Fixed remove signature when replying (#446)
 - Fixed problem with line with a space at the end (#1440)
 - Fixed <!DOCTYPE> tag filtering (#1066)
 - Fixed <?xml> tag filtering (#1075)
 - Added sections (fieldset+label) in Settings interface
 - Mark as read in one action with message preview (#1486)
 - Deleted redundant quota reads (#1486)
 - Added options for empty trash and expunge inbox on logout (#707)
 - Removed lines wrapping when displaying message
 - Fixed month localization
 - Changed codebase to PHP5 with autoloader
 
 RELEASE 0.1.1
 -------------
 - Clear selection when selecting single item (#1461)
 - Remove hard-coded image size in skin templates (#1423)
 - Database schema improvements (dropped unnecessary indexes)
 - Fixed creating a new folder with a comma in its name (#1263)
 - Fixed sorting of messages when default mailbox is empty (#1020)
 - Improve message previewpane - less loading (#1019)
 - Fixed login form autoompletion (#1378)
 - Fixed virtuser_query option for mdb2 backend (#1409)
 - Fixed attachment resoting from Drafts when message body was empty (#1144)
 - Fixed usage of ob_gzhandler (#1390)
 - Fixed message part window in IE6 (#1211)
 - Fixed decoding of mime-encoded strings (#938)
 - Fixed some iconv/mb_string problems (#1202)
 - Correctly quote mailbox name when using in URL (#1016)
 - Fixed "headers already sent" errors (#1399)
 
 RELEASE 0.1-STABLE
 ------------------
 - Added interactive installer script
 - Fix folder adding/renaming inspired by #1349
 - Localize folder name in page title (#1338)
 - Fix code using wrong variable name (#818)
 - Allow to send mail with BCC recipients only
 - condense TinyMCE toolbar down to one line, removing table buttons (#1306)
 - Add function to mark the selected messages as read/unread (#641)
 - Also do charset decoding as suggested in RFC 2231 (fix #1022)
 - Show message count in folder list and hint when creating a subfolder
 - Distinguish ssl and tls for imap connections (#1252)
 - Added some charset aliases to fix typical mis-labelling (#1185)
 - Remember decision to display images for a certain message during session (#1310)
 - Truncate attachment filenames to 55 characters due to an IE bug (#1313)
 - Make sending of read receipts configurable
 - Respect config when localize folder names (#1280)
 - Also respect receipt and priority settings when re-opening a draft message
 - Remember search results (closes #722), patch by the_glu
 - Add Received header on outgoing mail
 - Upgrade to TinyMCE 2.1.3
 - Allow inserting image attachments into HTML messages while composing (#1179)
 - Implement Message-Disposition-Notification (Receipts)
 - Fix overriding of session vars when register_globals is on (#1255)
 - Fix bug with case-sensitive folder names (#973)
 - Don't create default folders by default
 - Fixed some potential security risks (audited by Andris)
 - Only show new messages if they match the current search (#925)
 - Switch to/from when searcing in Sent folder (#1177)
 - Correctly read the References header (#1236)
 - Unset old cookie before sending a new value (#1232)
 - Correctly decode attachments when downloading them (#1235 and #1484642)
 - Suppress IE errors when clearing attachments form (#1043)
 - Log error when login fails due to auto_create_user turned off
 - Filter linked/imported CSS files (closes #844)
 - Improve message compose screen (closes #1060)
 - Select next row after removing one from list (#1063)
 
 RELEASE 0.1-RC2
 ---------------
 - Enable drag-&-dropping of folders to a new parent and allow to create subfolders (#637)
 - Suppress IE errors when clearing attachments form (#1043)
 - Set preferences field in user table to NULL (#1062)
 - Log error when login fails due to auto_create_user turned off
 - Filter linked/imported CSS files (closes #844)
 - Improve message compose screen (closes #1060)
 - Select next row after removing one from list (#1063)
 - Make smtp HELO/EHLO hostname configurable (#851)
 - IPv6 Compatibility (#1023), Patch #1484373
 - Unlock interface when message sending fails (#1188)
 - Eval PHP code in template includes (if configured)
 - Show message when folder is empty. Mo more static text in table (#1068)
 - Only display unread count in page title when new messages arrived
 - Fixed wrong delete button tooltip (#785)
 - Fixed charset encoding bug (#1091)
 - Applied patch for LDAP version (#1175)
 - Improved XHTML validation
 - Fix message list selection (#1174)
 - Better fix lowercased usernames (#1120)
 - Update pngbehavior Script as suggested in #1134
 - Fixed moving/deleting messages when more than 1 is selected
 - Applied patch for LDAP contacts listing by Glen Ogilvie
 - Applied patch for more address fields in LDAP contacts (#1074)
 - Add alternative for getallheaders() (fix #1146)
 - Identify mailboxes case-sensitive
 - Sort mailbox list case-insensitive (closes #1032)
 - Fix display of multipart messages from Apple Mail (closes #823)
 - Protect AJAX request from being fetched by a foreign site (XSS)
 - Make autocomplete for loginform configurable by the skin template
 - Fix compose function from address book (closes #1089)
 - Added //IGNORE to iconv call (patch #1086, closes #821)
 - Check if mbstring supports charset (#1003 and #1004)
 - Prefer iconv over mbstring (as suggested in #1004)
 - Check filesize of template includes (#1079)
 - Fixed bug with buttons not dimming/enabling properly after switching folders
 - Fixed compose window becoming unresponsive after saving a draft (#1132)
 - Re-enabled "Back" button in compose window now that bug #1132 is fixed
 - Fixed unresponsive interface issue when downloading attachments (#1138)
 - Lowered status message time from 5 to 3 seconds to improve responsiveness
 - Raised .htaccess upload_max_filesize from 2M to 5M to differ from default php.ini
 - Increased "mailboxcontrols" mail.css width from 160 to 170px to fix non-english languages (#1140)
 - Fix status message bug #1114 with regard to #1041
 - Fix address adding bug reported by David Koblas
 - Applied socket error patch by Thomas Mangin
 - Pass-by-reference workarround for PHP5 in sendmail.inc
 - Fixed buggy imap_root settings (closes #1056)
 - Prevent default events on subject links (#1071)
 - Use HTTP-POST requests for actions that change state
 
 RELEASE 0.1-RC1
 ---------------
 - Use global filters and bind username/ for Ldap searches (#909)
 - Hide quota display if imap server does not support it
 - Hide address groups if no LDAP servers configured
 - Add link to message subjects (closes #982)
 - Better SQL query for contact listing/search (closes #1051)
 - Fixed marking as read in preview pane (closes #1048)
 - CSS hack to display attachments correctly in IE6
 - Wrap message body text (closes #901)
 - LDAP access is back in address book (closes #864)
 - Added search function for contacts
 - New Template parsing and output encoding
 - Fixed bugs #884 and #793
 - Fixed message moving procedure (closes #1013)
 - Fixed display of multiple attachments (closes #647)
 - Fixed check for new messages (closes #1015)
 - List attachments without filename
 - New session authentication: Change sessid cookie when login, authentication with sessauth cookie is now configurable.
   Should close bugs #774 and #1484299
 - Correctly translate mailbox names (closes #993)
 - Quote e-mail address links (closes #1007)
 - Updated PEAR::Mail_mime package
 - Accept single quotes for HTML attributes when modifying message body (thanks Jason)
 - Sanitize input for new users/identities (thanks Colin Alston)
 - Don't download HTML message parts
 - Convert HTML parts to plaintext if 'prefer_html' is off
 - Correctly parse message/rfc822 parts (closes #838)
 - Also use user_id for unique key in messages table (closes #857)
 - Hide contacts drop down on blur (closes #946)
 - Make entries in contacts drop down clickable
 - Turn off browser autocompletion on login page
 - Quote <? in text/html message parts
 - Hide border around radio buttons
 - Applied patch for attachment download by crichardson (closes #943)
 - Fixed bug in Postgres DB handling (closes #852)
 - Fixed bug of invalid calls to fetchRow() in rcube_db.inc (closes #996)
 - Fixed array_merge bug (closes #997)
 - Fixed flag for deletion in list view (closes #987)
 - Finally support semicolons as recipient separator (closes ##976)
 - Fixed message headers (subject) encoding
 - check if safe mode is on or not (closes #990)
 - Show "no subject" in message list if subject is missing (closes #971)
 - Solved page caching of message preview (closes #905)
 - Only use gzip compression if configured (closes #967)
 - Fixed priority selector issue (#903)
 - Fixed some CSS issues in default skin (closes #951 and #911)
 - Prevent from double quoting of numeric HTML character references (closes #978)
 - Fixed display of HTML message attachments (closes #927)
 - Applied patch for preview caching (closes #933)
 - Added error handling for attachment uploads
 - Use multibyte safe string functions where necessary (closes #798)
 - Applied security patch to validate the submitted host value (by Kees Cook)
 - Applied security patch to validate input values when deleting contacts (by Kees Cook)
 - Applied security patch that sanitizes emoticon paths when attaching them (by Kees Cook)
 - Applied a patch to more aggressively sanitize a HTML message
 - Visualize blocked images in HTML messages
 - Fixed wrong message listing when showing search results (closes #890)
 - Show remote images when opening HTML message part as attachment
 - Improve memory usage when sending mail (closes #871)
 - Mark messages as read once the preview is loaded (closes #1484132)
 - Include smtp final response in log (closes #862)
 - Corrected date string in sent message header (closes #887)
 - Correclty choose "To" column in sent and draft mailboxes (closes #769)
 - Changed srong tooltips for message browse buttons (closes #757)
 - Fixed signature delimiter character to be standard (Bug #830)
 - Fixed XSS vulnerability (Bug #877)
 - Remove newlines from mail headers (Bug #827)
 - Selection issues when moving/deleting (Bug #837)
 - Applied patch of Clement Moulin for imap host auto-selection
 - ISO-encode IMAP password for plaintext login (Bugs #792 & #723)
 - Fixed folder name encoding in subscription list (Bug #879)
 - Fixed JS errors in identity list (Bug #885)
 - Translate foldernames in folder form (closes #879)
 - Added first and last buttons to message list, address book
   and message detail
 - Pressing Shift-Del bypasses Trash folder
 - Enable purge command for Junk folder
 - Fetch all aliases if virtuser_query is used instead
 - Re-enabled multi select of contacts (Bug #817)
 - Enable contact editing right after creation (Bug #644)
 - Correct UTF-7 to UTF-8 conversion if mbstring is not available
 - Fixed IMAP fetch of message body (Bug #819)
 - Fixed safe_mode problems (Bug #539)
 - Fixed wrong header encoding (Bug #1483976)
 - Made automatic draft saving configurable
 - Fixed JS bug when renaming folders (Bug #799)
 - Added quota display as image (by Brett Patterson)
 - Corrected creation of a message-id
 - New indentation for quoted message text
 - Improved HTML validity
 - Fixed URL character set (Ticket #616)
 - Fixed saving of contact into MySQL from LDAP query results (Ticket #681)
 - Fixed folder renaming: unsubscribe before rename (Bug #750)
 - Finalized new message parsing (+ chaching)
 - Fixed wrong usage of mbstring (Bug #645)
 - Set default spelling language (Ticket #764)
 - Added support for Nox Spell Server
 - Re-built message parsing (Bug #422)
   Now based on the message structure delivered by the IMAP server.
 - Fixed some XSS and SQL injection issues
 - Fixed charset problems with folder renaming
diff --git a/skins/elastic/styles/widgets/forms.less b/skins/elastic/styles/widgets/forms.less
index bfbd2ab26..8a2694ab5 100644
--- a/skins/elastic/styles/widgets/forms.less
+++ b/skins/elastic/styles/widgets/forms.less
@@ -1,1376 +1,1376 @@
 /**
  * Roundcube Webmail styles for the Elastic skin
  *
  * Copyright (c) The Roundcube Dev Team
  *
  * The contents are subject to the Creative Commons Attribution-ShareAlike
  * License. It is allowed to copy, distribute, transmit and to adapt the work
  * by keeping credits to the original authors in the README.md file.
  * See http://creativecommons.org/licenses/by-sa/3.0/ for details.
  */
 
 /*** Common form elements ***/
 
 #uploadform {
     display: none;
 }
 
 form.smart-upload,
 input.smart-upload {
     visibility: hidden;
     width: 1px;
     height: 1px;
     opacity: 0;
 }
 
 
 .propform {
     // TODO: do we need this?
     &:not(.popupmenu) {
         width: 100%;
     }
 
     // This is the way we can have multiple checkboxes in a single form field
     .form-check td:not(.title) > label {
         display: block;
         margin: 0;
         line-height: 2rem;
 
         label {
             margin-right: .5rem;
         }
     }
 
     td.datetime {
         display: flex;
 
         input:first-child {
             margin-right: .5rem;
         }
         input:last-child {
             width: 75%;
         }
     }
 
     td.rowbuttons {
         width: 1%;
         white-space: nowrap;
         vertical-align: top;
 
         span {
             display: none;
         }
 
         a {
             padding: 0;
             line-height: 2.3rem;
             height: 2.3rem;
             font-size: 1rem;
 
             &:before {
                 &:extend(.font-icon-class);
                 content: @fa-var-plus;
                 vertical-align: unset;
 
                 @media screen and (min-width: (@screen-width-bs-phone + 1px)) {
                     margin: 0 !important;
                 }
             }
 
             &.delete:before {
                 content: @fa-var-trash-alt;
             }
 
             &.advanced:before {
                 content: @fa-var-cog;
             }
 
             &:not(:last-child) {
                 margin-right: .25rem;
             }
         }
     }
 
     td.rowactions {
         width: 1%;
         vertical-align: top;
 
         .form-control {
             width: auto;
         }
     }
 
     td.rowtargets {
         vertical-align: top;
 
         .composite {
             input, textarea, select, .multi-input, .input-group {
                 margin-bottom: .5rem;
             }
 
             .input-group {
                 input, textarea, select, .multi-input {
                     margin-bottom: 0;
                 }
             }
 
             br {
                 display: block;
             }
         }
 
         .input-group {
             margin-bottom: .25rem;
 
             *:first-child.input-group-prepend {
                 text-align: left;
                 min-width: 7.5em;
 
                 & > * {
                     width: 100%;
                 }
             }
         }
 
         & > .advanced {
             margin-top: .25rem;
         }
     }
 
     td.title {
         padding-top: 0;
         padding-bottom: 0;
     }
 
     td > .flexbox {
         display: flex;
 
         & > .multi-input {
             width: 100%;
             margin-left: .25rem;
         }
     }
 
     &.groupped {
         &.readonly {
             legend {
                 margin: 0;
             }
 
             .row.input-group {
                 margin-bottom: 0 !important;
             }
 
             label {
                 min-width: 7rem;
                 // Overwrite Bootstrap .input-group-* style to make the label transparent
                 background-color: transparent;
                 border: 0;
                 border-radius: 0;
             }
         }
 
         .row.input-group {
             margin-bottom: .5rem;
             flex-wrap: nowrap;
 
             & > *:first-child {
                 .overflow-ellipsis;
                 min-width: 8rem;
 
                 &:not(select) {
                     padding: 0;
                 }
 
                 @media screen and (max-width: @screen-width-xs) {
                     min-width: 6rem;
                     width: 6rem;
                     flex-grow: unset;
                 }
 
                 label {
                     width: 100%;
                 }
             }
 
             & > *:nth-child(2) {
                 flex-grow: 30;
             }
 
             &:last-child {
                 margin-bottom: 1rem;
             }
 
             select {
                 text-align: left;
             }
 
             &.composite select {
                 height: auto;
             }
 
             .content {
                 padding: 0;
                 display: flex;
                 flex-wrap: wrap;
                 border-radius: 0;
 
                 input {
                     border-radius: 0;
                     border-color: transparent;
                 }
 
                 .ff_street {
                     width: 100%;
                 }
 
                 .ff_locality {
                     width: 75%;
                 }
 
                 .ff_zipcode {
                     width: 25%;
                 }
 
                 .ff_country, .ff_region {
                     width: 50%;
                 }
             }
         }
 
         .form-control-plaintext {
             flex-grow: 1;
             border: 0;
         }
     }
 
     .addfield {
         margin: 0;
 
         select {
             width: 8rem;
             margin-top: .5rem;
         }
     }
 
     .form-text {
         font-size: 90%;
         color: @color-form-hint;
     }
 
     // Some dialogs may use simple one-row forms like this
     &.row.form-group {
         margin-left: 0;
         margin-right: 0;
 
         label, div {
             padding-left: 0;
             padding-right: 0;
         }
     }
 
     // Some forms may use multiple elements that are not part of .input-group
     // add proper spacing
     select + select,
     select + .input-group {
         padding-top: .5rem;
     }
 
     &.text-only {
         margin-bottom: .25rem;
 
         tr {
             margin: 0;
         }
 
         label {
             padding-bottom: 0 !important;
         }
 
         @media screen and (max-width: @screen-width-bs-phone) {
             tr {
                 display: table-row;
             }
 
             td {
                 width: auto;
 
                 &:first-child {
                     width: 33%;
                 }
             }
 
             :not(tr).form-group.row {
                 .col-form-label {
                     width: 33%;
                 }
 
                 & > :last-child {
                     width: 67%;
                 }
             }
         }
     }
 }
 
 @media screen and (max-width: @screen-width-bs-phone) {
     .propform {
         table.compact-table {
             .rowactions > select,
             .flexbox > select {
                 width: 100%;
             }
 
             tr {
                 display: flex;
                 flex-direction: column;
 
                 td {
                     width: 100%;
                     padding: .25rem 0 0 0;
 
                     &.rowbuttons {
                         text-align: right;
                         padding-top: 0;
 
                         a {
                             margin-left: .5rem;
 
                             & > span {
                                 display: inline;
                             }
                         }
                     }
                 }
             }
         }
     }
 }
 
 .propform,
 .formcontent {
     fieldset:not(.tab-pane):nth-of-type(n+2) {
         margin-top: 1em;
     }
 
     legend {
         font-weight: bold;
         font-size: 1.2em;
     }
 
     label {
         -webkit-hyphens: auto;
         -ms-hyphens: auto;
         hyphens: auto;
         overflow: hidden;
         margin-bottom: 0;
     }
 }
 
 fieldset.advanced {
     > legend {
         width: auto;
         cursor: pointer;
 
         &:after {
             &:extend(.font-icon-class);
             float: right;
             margin: 0 0 0 .25rem;
             line-height: inherit;
             font-size: inherit;
             content: @fa-var-angle-up;
         }
 
         &.closed:after {
             content: @fa-var-angle-down;
         }
     }
 }
 
 @media screen and (max-width: @screen-width-bs-phone) {
     .formcontent .text-only {
         .form-group:not(tr) {
             margin-bottom: .25rem;
 
             .col-form-label {
                 width: 33%;
 
                 & + span {
                     width: 67%;
                 }
             }
         }
     }
 
     html.iframe .formcontent > .propform {
         padding: .25rem;
     }
 }
 
 // Forms fixes for IE and Edge
 html.ms .propform {
     .row:not(.form-check) > td {
         display: flex;
         flex-wrap: wrap; // puts "hint" element below the input
     }
     @media screen and (min-width: @screen-width-bs-phone) {
         .row.form-check > td {
             display: flex;
         }
     }
 }
 
 
 .formcontainer {
     display: flex;
     flex-direction: column;
     justify-content:flex-start;
     overflow-y: hidden !important;
 
     .formcontent {
         overflow-x: hidden;
         overflow-y: auto;
     }
 
     .formbuttons {
         padding: 0.5rem 1rem;
 
         button {
             margin-right: .5rem;
         }
     }
 
     // Prevent button truncation on tablets
     html.iframe.ipad &,
     html.iframe.webkit.tablet & {
         .formbuttons {
             min-height: 4rem;
         }
     }
 
     // We don't need buttons element on small devices, nor flex display
     html.layout-small &,
     html.layout-phone & {
         display: initial;
         overflow-y: auto !important;
 
         .formcontent {
             overflow: initial !important;
         }
 
         .formbuttons {
             display: none;
         }
     }
 }
 
 
 .formcontent {
     &:not(.popupmenu) {
         padding: 1rem;
     }
 
     .row {
         margin-right: 0; // without these the form is too wide causing horizontal scrollbar appearence
         margin-left: 0;
 
         // Note: We never use odd numbers here
         .col, .col-2, .col-4, .col-6, .col-8, .col-10, .col-12,
         .col-sm, .col-sm-2, .col-sm-4, .col-sm-6, .col-sm-8, .col-sm-10, .col-sm-12 {
             // overwrite Bootstrap's redundant padding
             padding: 0;
         }
 
         .form-control-plaintext,
         label.col-form-label {
             padding: floor(.375 * @page-font-size) floor(.375 * @page-font-size) floor(.375 * @page-font-size) 0;
         }
 
         .form-control-plaintext {
             padding-bottom: 0;
             border: 0;
         }
 
         @media screen and (max-width: @screen-width-bs-phone) {
             &.form-group {
                 & > td label {
                     padding-bottom: 0;
                 }
             }
         }
     }
 
     .row.form-check {
         padding: 0; // without these e.g. inputs in compose screen are not aligned properly
         display: flex; // https://github.com/twbs/bootstrap/issues/22348
         flex-wrap: nowrap;
 
         // alignment fixes needed because we do not stick precissely to Bootstrap's form structure
         @media screen and (max-width: @screen-width-bs-phone) {
             .col-6 {
                 max-width: 100%;
                 flex: auto;
             }
 
             & > *:last-child {
                 width: 1%;
                 min-width: 2.6rem; // for .custom-switch
             }
 
             &.with-link > *:last-child {
                 min-width: 8rem;
             }
         }
 
         .form-check-input {
             margin: .5rem 0; // fixes checkbox alignment with other inputs in a form
         }
 
         .custom-switch + a {
             line-height: 2;
             vertical-align: bottom;
         }
 
         td > label {
             padding-bottom: 0;
         }
     }
 
     .nav-tabs {
         margin-bottom: 1rem;
 
         &:empty {
             display: none;
         }
     }
 
     .hint {
         font-style: italic;
         color: @color-form-hint;
     }
 
     // RAW (CodeMirror) editor
     &.raweditor {
         height: 100%;
 
         form {
             height: 100%;
         }
 
         textarea {
             font-family: monospace;
             height: 100%;
         }
 
         .CodeMirror {
             border: 1px solid @color-input-border;
             border-radius: .3rem;
             height: 100%;
             color: @color-font;
         }
 
         .CodeMirror-focused {
             border-color: @color-input-border-focus;
             box-shadow: 0 0 0 .2rem @color-input-border-focus-shadow;
         }
 
         .CodeMirror-linebackground.line-error {
             background-color: @color-error;
             opacity: 0.4;
         }
 
         .errorGutter {
             width: .8em;
         }
     }
 }
 
 @media screen and (max-width: @screen-width-mini) {
     .formcontent {
         .col-form-label {
             flex: auto;
             max-width: 100%;
         }
         .col-6, .col-8, .col-10 {
             flex: auto;
             max-width: 100%;
         }
     }
 }
 
 
 /* Some common icons for "iconized inputs" */
 .input-group .icon {
     text-decoration: none;
     padding: floor(.375 * @page-font-size) .5rem;
 
     &.input-group-text {
         min-width: 2.4rem;
     }
 
     &:before {
         &:extend(.font-icon-class);
         margin: 0 !important;
         line-height: 1;
         font-size: 1.1em;
     }
     &.user:before {
         content: @fa-var-user;
     }
     &.pass:before {
         content: @fa-var-lock;
     }
     &.host:before {
         content: @fa-var-home;
     }
     &.language.before {
         content: @fa-var-globe;
     }
     &.cancel:before {
         content: @fa-var-times;
     }
     &.delete:before {
         content: @fa-var-trash-alt;
     }
     &.edit:before {
         content: @fa-var-pencil-alt;
     }
     &.add:before {
         content: @fa-var-plus;
     }
     &.add.recipient:before {
         content: @fa-var-users;
     }
     &.search:before {
         content: @fa-var-search;
     }
     &.filter:before {
         content: @fa-var-filter;
     }
     &.key:before {
         content: @fa-var-key;
     }
 
     .inner {
         display: none;
     }
 }
 
 .input-group a {
     &:focus {
         background-color: @color-input-border-focus-shadow;
         outline: 0;
     }
 }
 
 @proplist-record-height: 2rem;
 .proplist {
     margin-bottom: 0;
     padding: 0;
 
     li {
         list-style-type: none;
         line-height: @proplist-record-height;
         margin-bottom: .25rem;
         display: flex;
         align-items: center;
 
         &:last-child {
             margin-bottom: 0;
         }
 
         input[type=radio] {
             margin-right: .5em;
 
             &:disabled + label {
                 opacity: .5;
             }
         }
 
         label:not(.input-group-text) {
             margin: 0;
             line-height: @proplist-record-height;
         }
 
         select {
             width: auto;
             display: inline;
         }
     }
 }
 
 .checklist {
     & > div {
         line-height: 2rem;
         display: block; // overwrite .custom-switch
     }
 
     .custom-control-label {
         &:before,
         &:after {
             margin: calc(floor(.15 * @page-font-size) * -1) 0 0 0;
         }
     }
 
     & > div + br {
         display: none;
     }
 }
 
 /*** Forms in popups ***/
 
 .popup form.propform {
     padding: .25rem;
     overflow-x: hidden;
 }
 
 .popupmenu.form {
     &.nolist {
         padding: 0 .5rem;
     }
 
     ul {
         list-style-type: none;
         padding: 0;
         margin: 0;
     }
 
     li:not(.separator) {
         padding: 0 1rem;
 
         label {
             margin: 0;
             line-height: @listing-line-height;
 
             input {
                 margin-right: .5rem;
             }
         }
     }
 
     input {
         vertical-align: middle;
     }
 
     select {
         margin: .5rem 0;
     }
 
     .buttons {
         text-align: center;
         padding: .5rem;
     }
 }
 
 
 /*** Smart list (multiple input) field ***/
 
 .multi-input {
     & > .content {
         max-height: 11.65em;
         overflow: hidden;
         overflow-y: auto;
         border-radius: .25rem;
         border: 1px solid @color-input-border;
 
         &.focused {
             .style-input-focus;
         }
 
         // TODO: style button focus
     }
 
     a.icon {
         &.reset:before {
             &:extend(.font-icon-class);
             content: @fa-var-trash-alt;
         }
     }
 
     input.form-control {
         padding-left: .75rem;
         height: auto; // fixes input height
     }
 
     input,
     input:focus,
     .input-group-text {
         border-radius: 0;
         border: 0;
         border-bottom: 1px solid @color-input-border;
         box-shadow: none;
     }
 
     .input-group-text {
         border-left: 1px solid @color-input-border;
     }
 
     .input-group-append {
         margin-left: 0;
     }
 
     .input-group {
         margin: 0 !important;
         flex-wrap: nowrap; // Bootstrap makes them wrappable (imho)
 
         &:last-child * {
             border-bottom: 0;
         }
     }
 
     & + .btn {
         margin-top: .5rem;
     }
 
     &.is-invalid {
         & > .content {
             border: 1px solid @color-input-border-invalid;
             &.focused {
                 border-color: @color-input-border-invalid;
                 box-shadow: 0 0 0 .2rem @color-input-border-invalid-shadow;
             }
         }
 
         & > .invalid-feedback {
             display: inline-block;
         }
     }
 }
 
 
 /*** Files upload widget with list of files, upload form and drop area ***/
 
 .file-upload {
     padding: 1rem 1rem 12rem;
     margin: 0 1rem .25rem 1rem;
     border-radius: .5rem;
     border: .2rem dashed @color-table-border;
 
     fieldset & {
         margin: 0;
     }
 
     .upload-form {
         text-align: center;
         padding-bottom: 1em;
 
         a.btn,
         button {
             margin-bottom: .25rem;
         }
     }
 
    .hint {
         margin-bottom: .5rem;
         color: @color-form-hint;
         text-align: center;
     }
 
     .attachmentslist {
         li {
             position: relative;
             display: flex;
             padding-right: 1.5em;
 
             a.filename {
                 flex: 1;
             }
 
             a.delete,
             a.cancelupload {
                 position: absolute;
                 right: 0;
                 width: auto; // fix button width if the widget is in a .popupmenu
 
                 &:before {
                     margin: 0;
                 }
             }
 
             .inner {
                 display: none;
             }
         }
     }
 
     &.droptarget {
         padding-bottom: .5rem !important;
 
         &:after {
             content: @icon-file-drop;
             width: 10rem;
             margin: 5rem auto 0 auto;
             display: block;
         }
 
         &.active {
             border-color: darken(@color-toolbar-button-background-hover, 20%);
         }
 
         &.hover {
             border-color: darken(@color-toolbar-button-background-hover, 20%);
             background-color: @color-toolbar-button-background-hover;
         }
     }
 }
 
 
 /*** Smart recipient input field ***/
 
 @recipient-input-margin-fix: round(.25 * @page-font-size);
 
 .recipient-input {
     display: flex;
     flex-wrap: wrap;
     padding: 0 .75rem @recipient-input-margin-fix .75rem;
     list-style-type: none;
     cursor: text;
     height: auto; // reset .form-control height
 
     &.focus {
         .style-input-focus;
     }
 
     .recipient {
         display: flex;
         position: relative;
         max-width: 50%;
         border: 1px solid @color-recipient-input-border;
         background-color: @color-recipient-input-background;
         border-radius: .25em;
         padding: 0 .25em;
         margin-top: @recipient-input-margin-fix;
         margin-right: .2em;
         white-space: nowrap;
         cursor: default;
 
         @media screen and (max-width: 450px) {
             width: 100%;
             max-width: 100%;
         }
     }
 
     .name {
         .overflow-ellipsis;
         flex-grow: 1;
         display: inline-block;
         line-height: 1.1;
         padding: floor(.25 * @page-font-size);
         vertical-align: middle;
     }
 
     .email {
         text-indent: -5000rem;
         display: inline-block;
         width: 0;
     }
 
     .quotes {
         position: absolute;
         width: 0;
         opacity: 0;
     }
 
     a.button.icon {
         font-size: .8em;
         cursor: pointer;
-        padding: 0 0 0 .25em;
+        padding: 0;
 
         &:before {
             float: none;
             display: inline-block;
             width: 1em;
             margin: 0;
             line-height: 1.5;
         }
     }
 
     li {
         max-width: 100%;
     }
 
     input {
         width: 40px;
         max-width: 100%;
         background: transparent !important;
         border: 0 !important;
         margin-top: @recipient-input-margin-fix;
         outline: 0;
         line-height: 1.5;
 
         &::-ms-clear {
             display: none; // removes clear icon in IE11
         }
     }
 }
 
 /*** Tagedit widget (from jqueryui plugin) ***/
 
 .tagedit-list {
     display: flex;
     flex-wrap: wrap;
     padding: 0 .75rem @recipient-input-margin-fix .75rem;
     margin: 0;
     list-style-type: none;
     min-height: 2.3rem;
 
     & + .placeholder {
         display: none;
     }
 
     &[tabindex="-1"] {
         .style-input-focus;
     }
 
     li.tagedit-listelement-new {
         margin-top: @recipient-input-margin-fix;
 
         input {
             width: 15px;
             background: transparent !important;
             border: 0;
             outline: 0;
             margin: 0;
             padding: 0;
             line-height: 1.5;
 
             &.tagedit-input-disabled {
                 visibility: hidden;
             }
         }
     }
 
     li.tagedit-listelement-old {
         max-width: 50%;
         border: 1px solid @color-recipient-input-border;
         background-color: @color-recipient-input-background;
         border-radius: .25em;
         margin-top: @recipient-input-margin-fix;
         margin-right: .2em;
         white-space: nowrap;
 
         a /* TODO: .tagedit-close, .tagedit-break, .tagedit-delete, .tagedit-save */ {
             font-size: .8em;
             cursor: pointer;
             display: inline-block;
             width: 1.1em;
             overflow: hidden;
             vertical-align: middle;
             margin-right: .2rem;
 
             &:before {
                 &:extend(.font-icon-class);
                 content: @fa-var-times;
                 width: 1em;
                 line-height: 1.2;
             }
         }
 
         span {
             .overflow-ellipsis;
             flex-grow: 1;
             display: inline-block;
             line-height: 1.4;
             padding: 0 .25rem;
             vertical-align: middle;
         }
     }
 
     li.tagedit-listelement-focus {
         // TODO
     }
 }
 
 
 /*** Skin selection widget ***/
 
 .skinselection {
     white-space: nowrap;
     display: table-row;
 
     & > span {
         display: table-cell;
         vertical-align: middle;
         padding: .1em .5em;
         white-space: normal;
 
         &:last-child {
             padding-right: 0;
         }
     }
 
     .skinitem input {
         width: auto;
     }
 
     .skinname {
         font-weight: bold;
     }
 
     .skinlicense,
     .skinlicense a {
         font-style: italic;
         text-decoration: none;
     }
 
     .skinlicense a:hover {
         text-decoration: underline;
     }
 
     .skinlicense,
     .skinauthor {
         font-size: 90%;
     }
 
     .skinthumbnail {
         width: 64px;
         height: 64px;
         border: 1px solid @color-input-border;
         background: #fff;
         border-radius: 4px;
     }
 }
 
 /*** Percent input with jQuery-UI slider ***/
 
 // Structure: <input><span.label><div.ui-slider>
 .input-percent-slider {
     display: flex;
     align-items: center;
 
     input {
         max-width: 4em;
     }
 
     span.label {
         line-height: 2.4;
         padding: 0 .5rem 0 .25rem;
     }
 
     div.ui-slider {
         flex: 1;
         margin: 0 .5em;
     }
 }
 
 
 /*** Image upload widget ***/
 
 .image-upload {
     position: relative;
     overflow: hidden;
     cursor: pointer;
     background-color: @color-image-upload-background;
 
     a.button {
         display: none;
         position: absolute;
         left: 0;
         top: 0;
         background-color: rgba(255, 255, 255, .85);
         border-radius: 5px;
         width: 2.5em;
         padding: .5em;
         margin: .5em;
         line-height: 1;
     }
 
     &.changed a.button {
         display: inline;
     }
 }
 
 .input-group-combo {
     select:first-of-type {
         &.alone {
             border-radius: .25rem !important;
         }
 
         &:not(.alone) {
             flex: unset;
             width: auto;
         }
     }
 
     .input-group {
         padding: 0 !important;
         flex: 2;
     }
 
     select + select,
     .input-group :first-child {
         border-top-left-radius: 0;
         border-bottom-left-radius: 0;
     }
 }
 
 
 /*** General browser hacks ***/
 
 // Remove outline on selects in Firefox
 @-moz-document url-prefix() {
     select:-moz-focusring {
        color: transparent !important;
        text-shadow: 0 0 0 @color-font !important;
     }
 }
 
 
 /*** Bootstrap style overrides and improvements ***/
 
 .form-control {
     color: @color-font;
 
     &:focus {
         color: @color-font;
         border-color: @color-input-border-focus;
         box-shadow: 0 0 0 .2rem @color-input-border-focus-shadow;
     }
 
     // FIXME: This fixes style of required inputs in Firefox/Edge, but
     // makes inputs on login form red-bordered, commented for now
     // &:invalid,
     &.is-invalid {
         border-color: @color-input-border-invalid;
         box-shadow: none;
 
         &:focus {
             border-color: @color-input-border-invalid;
             box-shadow: 0 0 0 .2rem @color-input-border-invalid-shadow;
         }
     }
 
     &::placeholder {
         color: @color-input-placeholder;
     }
 }
 
 .invalid-feedback {
     color: @color-error;
     font-size: 90%;
 }
 
 .form-group {
     margin-bottom: .5rem;
 }
 
 .input-group-text {
     color: @color-input;
     background-color: @color-input-addon-background;
 
     input:focus {
         z-index: 1;
         border-color: @color-input-border-focus !important;
     }
 }
 
 .custom-switch {
     padding-left: 0;
     display: inline-block;
 
     .custom-control-input {
         left: 0;
 
         &:focus ~ .custom-control-label:before {
             box-shadow: 0 0 0 .2rem @color-checkbox-focus-shadow;
         }
 
         &:focus:not(:checked) ~ .custom-control-label::before {
             border-color: @color-checkbox-focus;
         }
 
         &:checked ~ .custom-control-label::before {
             border-color: @color-checkbox;
             background-color: @color-checkbox;
         }
 
         &:checked:disabled ~ .custom-control-label::before {
             border-color: @color-checkbox-checked-disabled;
             background-color: @color-checkbox-checked-disabled;
         }
     }
 
     // Make switches bigger, we use smaller font than Bootstrap's default
 
     .custom-control-label {
         padding-left: 2.5rem;
         min-height: 2rem;
         line-height: 2;
         display: inline-block;
 
         html.touch & {
             padding-left: 3rem;
         }
 
         &:before,
         &:after {
             border-radius: .6rem;
             margin: floor(.15 * @page-font-size) 0;
 
             html.touch & {
                 border-radius: .8rem;
                 margin: 0;
             }
         }
 
         &:before {
             left: 2px;
             top: 4px;
             width: floor(1.9 * @page-font-size);
             height: floor(1.2 * @page-font-size);
 
             html.touch & {
                 top: floor(.2 * @page-font-size);
                 width: floor(2.5 * @page-font-size);
                 height: floor(1.6 * @page-font-size);
             }
         }
 
         &:after {
             left: 4px;
             top: 6px;
             width: floor(1.2 * @page-font-size) - 4;
             height: floor(1.2 * @page-font-size) - 4;
 
             html.touch & {
                 top: floor(.2 * @page-font-size) + 2;
                 height: floor(1.6 * @page-font-size) - 4;
                 width: floor(1.6 * @page-font-size) - 4;
             }
         }
     }
 
     .custom-control-input:checked ~ .custom-control-label::after {
         transform: translateX(floor(1.2 * @page-font-size) - 6);
 
         html.touch & {
             transform: translateX(floor(1.6 * @page-font-size) - 9);
         }
     }
 
     .custom-control-input:not(:disabled) ~ .custom-control-label {
         &:after, &:before {
             cursor: pointer;
         }
     }
 }
 
 .custom-file {
     display: block;
 
     .custom-file-label {
         white-space: nowrap;
         .overflow-ellipsis;
         padding-right: 100px;
         line-height: 1.5 !important;
     }
 
     & + .hint {
         margin-top: floor(.25 * @page-font-size);
     }
 }
 
 .custom-file-input:focus ~ .custom-file-label {
     border-color: @color-input-border-focus;
     box-shadow: 0 0 0 .2rem @color-input-border-focus-shadow;
 }
diff --git a/skins/elastic/ui.js b/skins/elastic/ui.js
index b778e4d93..36c63e4da 100644
--- a/skins/elastic/ui.js
+++ b/skins/elastic/ui.js
@@ -1,3989 +1,3969 @@
 /**
  * Roundcube webmail functions for the Elastic skin
  *
  * Copyright (c) The Roundcube Dev Team
  *
  * The contents are subject to the Creative Commons Attribution-ShareAlike
  * License. It is allowed to copy, distribute, transmit and to adapt the work
  * by keeping credits to the original autors in the README file.
  * See http://creativecommons.org/licenses/by-sa/3.0/ for details.
  *
  * @license magnet:?xt=urn:btih:90dc5c0be029de84e523b9b3922520e79e0e6f08&dn=cc0.txt CC0-1.0
  */
 
 "use strict";
 
 function rcube_elastic_ui()
 {
     var ref = this,
         mode = 'normal', // one of: large, normal, small, phone
         touch = false,
         ios = false,
         popups_close_lock,
         is_framed = rcmail.is_framed(),
         env = {
             config: {
                 standard_windows: rcmail.env.standard_windows,
                 message_extwin: rcmail.env.message_extwin,
                 compose_extwin: rcmail.env.compose_extwin,
                 help_open_extwin: rcmail.env.help_open_extwin
             },
             checkboxes: 0,
             small_screen_config: {
                 standard_windows: true,
                 message_extwin: false,
                 compose_extwin: false,
                 help_open_extwin: false
             }
         },
         menus = {},
         content_buttons = [],
         frame_buttons = [],
         layout = {
             menu: $('#layout-menu'),
             sidebar: $('#layout-sidebar'),
             list: $('#layout-list'),
             content: $('#layout-content'),
         },
         buttons = {
             menu: $('a.task-menu-button'),
             back_sidebar: $('a.back-sidebar-button'),
             back_list: $('a.back-list-button'),
             back_content: $('a.back-content-button'),
         };
 
 
     // Public methods
     this.register_content_buttons = register_content_buttons;
     this.menu_hide = menu_hide;
     this.menu_toggle = menu_toggle;
     this.menu_destroy = menu_destroy;
     this.popup_init = popup_init;
     this.about_dialog = about_dialog;
     this.headers_dialog = headers_dialog;
     this.import_dialog = import_dialog;
     this.headers_show = headers_show;
     this.spellmenu = spellmenu;
     this.searchmenu = searchmenu;
     this.headersmenu = headersmenu;
     this.header_reset = header_reset;
     this.compose_status = compose_status;
     this.attachmentmenu = attachmentmenu;
     this.mailtomenu = mailtomenu;
     this.recipient_selector = recipient_selector;
     this.show_list = show_list;
     this.show_sidebar = show_sidebar;
     this.smart_field_init = smart_field_init;
     this.smart_field_reset = smart_field_reset;
     this.form_errors = form_errors;
     this.switch_nav_list = switch_nav_list;
     this.searchbar_init = searchbar_init;
     this.pretty_checkbox = pretty_checkbox;
     this.pretty_select = pretty_select;
     this.datepicker_init = datepicker_init;
     this.bootstrap_style = bootstrap_style;
 
 
     // Detect screen size/mode
     screen_mode();
 
     // Initialize layout
     layout_init();
 
     // Convert some elements to Bootstrap style
     bootstrap_style();
 
     // Initialize responsive toolbars (have to be before popups init)
     toolbar_init();
 
     // Initialize content frame and list handlers
     content_frame_init();
 
     // Initialize menu dropdowns
     dropdowns_init();
 
     // Setup various UI elements
     setup();
 
     // Update layout after initialization
     resize();
 
 
     /**
      * Setup procedure
      */
     function setup()
     {
         var title, form, content_buttons = [];
 
         // Intercept jQuery-UI dialogs...
         $.ui && $.widget('ui.dialog', $.ui.dialog, {
             open: function() {
                 // .. to unify min width for iframe'd dialogs
                 if ($(this.element).is('.iframe')) {
                     this.options.width = Math.max(576, this.options.width);
                 }
                 this._super();
                 // ... to re-style them on dialog open
                 dialog_open(this);
                 return this;
             },
             close: function() {
                 this._super();
                 // ... to close custom select dropdowns on dialog close
                 $('.select-menu:visible').remove();
                 return this;
             }
         });
 
         // menu/sidebar/list button
         buttons.menu.on('click', function() { app_menu(true); return false; });
         buttons.back_sidebar.on('click', function() { show_sidebar(); return false; });
         buttons.back_list.on('click', function() { show_list(); return false; });
         buttons.back_content.on('click', function() { show_content(true); return false; });
 
         // Initialize search forms
         $('.searchbar').each(function() { searchbar_init(this); });
 
         // Set content frame title in parent window (exclude ext-windows and dialog frames)
         if (is_framed && !rcmail.env.extwin && !parent.$('.ui-dialog:visible').length) {
             if (title = $('h1.voice').first().text()) {
                 parent.$('#layout-content > .header > .header-title:not(.constant)').text(title);
             }
         }
         else if (!is_framed) {
             title = $('.boxtitle', layout.content).first().detach().text();
 
             if (!title) {
                 title = $('h1.voice').first().text();
             }
 
             if (title) {
                 $('.header > .header-title', layout.content).text(title);
             }
         }
 
         // Add content frame toolbar in the footer, for content buttons and navigation
         if (!is_framed && layout.content.length && !$(layout.content).is('.no-navbar')
             && !$(layout.content).children('.frame-content').length
         ) {
             env.frame_nav = $('<div class="footer menu toolbar content-frame-navigation hide-nav-buttons">')
                 .append($('<a class="button prev">')
                     .append($('<span class="inner"></span>').text(rcmail.gettext('previous'))))
                 .append($('<span class="buttons">'))
                 .append($('<a class="button next">')
                     .append($('<span class="inner"></span>').text(rcmail.gettext('next'))))
                 .appendTo(layout.content);
         }
 
         // Move some buttons to the frame footer toolbar
         $('a[data-content-button]').each(function() {
             content_buttons.push(create_cloned_button($(this)));
         });
 
         // Move form buttons from the content frame into the frame footer (on parent window)
         $('.formbuttons').filter(function() { return !$(this).parent('.searchoptions').length; }).children().each(function() {
             var target = $(this);
 
             // skip non-content buttons
             if (!is_framed && !target.parents('#layout-content').length) {
                 return;
             }
 
             if (target.is('.cancel')) {
                 target.addClass('hidden');
                 return;
             }
 
             content_buttons.push(create_cloned_button(target));
         });
 
         (is_framed ? parent.UI : ref).register_content_buttons(content_buttons);
 
         // Mail compose features
         if (form = rcmail.gui_objects.messageform) {
             form = $('form[name="' + form + '"]');
             // Show input elements with non-empty value
             // These event handlers need to be registered before rcmail 'init' event
             $('#_cc, #_bcc, #_replyto, #_followupto', $('.compose-headers')).each(function() {
                 $(this).on('change', function() {
                     $('#compose' + $(this).attr('id'))[this.value ? 'removeClass' : 'addClass']('hidden');
                 });
             });
 
             // We put compose options outside of the main form
             // Because IE/Edge (<16) does not support 'form' attribute we'll copy
             // inputs into the main form as hidden fields
             // TODO: Consider doing this for IE/Edge only, just set the 'form' attribute on others
             $('#compose-options').find('textarea,input,select').each(function() {
                 var hidden = $('<input>')
                     .attr({type: 'hidden', name: $(this).attr('name')})
                     .appendTo(form);
 
                 $(this).attr('tabindex', 2)
                     .on('change', function() {
                         hidden.val(this.type != 'checkbox' || this.checked ? $(this).val() : '');
                     })
                     .change();
             });
         }
 
         // Use smart recipient inputs
         // This have to be after mail compose feature above
         $('[data-recipient-input]').each(function() { recipient_input(this); });
 
         // Image upload widget
         $('.image-upload').each(function() { image_upload_input(this); });
 
         // Add HTML/Plain tabs (switch) on top of textarea with TinyMCE editor
         $('textarea[data-html-editor]').each(function() { html_editor_init(this); });
 
         $('#dragmessage-menu,#dragcontact-menu').each(function() {
             rcmail.gui_object('dragmenu', this.id);
         });
 
         // Taskmenu items added by plugins do not use elastic classes (e.g help plugin)
         // it's for larry skin compat. We'll assign 'selected' and icon-specific class.
         $('#taskmenu > a').each(function() {
             if (/button-([a-z]+)/.test(this.className)) {
                 var data, name = RegExp.$1,
                     button = find_button(this.id);
 
                 if (button && (data = button.data)) {
                     if (data.sel) {
                         data.sel = data.sel.replace('button-selected', 'selected') + ' ' + name;
                     }
 
                     if (data.act) {
                         data.act += ' ' + name;
                     }
 
                     rcmail.buttons[button.command][button.index] = data;
                     rcmail.init_button(button.command, data);
                 }
 
                 $(this).addClass(name);
                 $('.button-inner', this).addClass('inner');
             }
 
             $(this).on('mouseover', function() { rcube_webmail.long_subject_title(this, 0, $('span.inner', this)); });
         });
 
         // Some plugins use 'listbubtton' class, we'll replace it with 'button'
         $('.listbutton').each(function() {
             var button = find_button(this.id);
 
             $(this).addClass('button').removeClass('listbutton');
 
             if (button.data.sel) {
                 button.data.sel = button.data.sel.replace('listbutton', 'button');
             }
             if (button.data.act) {
                 button.data.act = button.data.act.replace('listbutton', 'button');
             }
 
             rcmail.buttons[button.command][button.index] = button.data;
             rcmail.init_button(button.command, button.data);
         });
 
         // buttons that should be hidden on small screen devices
         $('[data-hidden]').each(function() {
             var m, v = $(this).data('hidden'),
                 parent = $(this).parent('li'),
                 re = /(large|big|small|phone|lbs)/g;
 
                 while (m = re.exec(v)) {
                     $(parent.length ? parent : this).addClass('hidden-' + m[1]);
                 }
         });
 
         // Modify normal checkboxes on lists so they are different
         // than those used for row selection, i.e. use icons
         $('[data-list]').each(function() {
             $('input[type=checkbox]', this).each(function() { pretty_checkbox(this); });
         });
 
         // Assign .formcontainer class to the iframe body, when it
         // contains .formcontent and .formbuttons.
         if (is_framed) {
             $('.formcontent').each(function() {
                 if ($(this).next('.formbuttons').length) {
                     $(this).parent().addClass('formcontainer');
                 }
             });
         }
 
         // move "Download all attachments" button into a better location
         $('#attachment-list + a.zipdownload').appendTo('.header-links');
 
         if (ios = $('html').is('.ipad,.iphone')) {
             $('.iframe-wrapper, .scroller').addClass('ios-scroll');
         }
 
         if ($('html').filter('.ipad,.iphone,.webkit.mobile,.webkit.tablet').addClass('webkit-scroller').length) {
             $(layout.menu).addClass('webkit-scroller');
         }
 
         // Set .notree class on treelist widget update
         $('.treelist').each(function() {
             var list = this, callback = function() {
                     $(list)[$('.treetoggle', list).length > 0 ? 'removeClass' : 'addClass']('notree');
                 };
 
             if (window.MutationObserver) {
                 (new MutationObserver(callback)).observe(list, {childList: true, subtree: true});
             }
             callback();
 
             // Add title with full folder name on hover
             // TODO: This should be done in another way, so if an entry is
             // added after page load it also works there.
             $('li.mailbox > a').on('mouseover', function() { rcube_webmail.long_subject_title_ex(this); });
         });
 
         // Store default logo path if not already set
         if (!$('#logo').data('src-default')) {
             $('#logo').data('src-default', $('#logo').attr('src'));
         }
     };
 
     /**
      * Moves form buttons into the content frame actions toolbar (for mobile)
      */
     function register_content_buttons(buttons)
     {
         // we need these buttons really only in phone mode
         if (/*mode == 'phone' && */ env.frame_nav && buttons && buttons.length) {
             var toolbar = env.frame_nav.children('.buttons');
 
             content_buttons = [];
             $.each(buttons, function() {
                 if (this.data('target')) {
                     content_buttons.push(this.data('target'));
                 }
             });
 
             toolbar.html('').append(buttons);
         }
     };
 
     /**
      * Registers cloned button
      */
     function register_cloned_button(old_id, new_id, active_class)
     {
         var button = find_button(old_id);
         if (button) {
             rcmail.register_button(button.command, new_id, button.data.type, active_class, button.data.sel);
         }
     };
 
     /**
      * Create a button clone for use in toolbar
      */
     function create_cloned_button(target, menu_button, add_class, always_active)
     {
         var popup, click = true,
             button = $('<a>'),
             target_id = target.attr('id') || new Date().getTime(),
             button_id = target_id + '-clone',
             btn_class = target[0].className + (add_class ? ' ' + add_class : '');
 
         if (!menu_button) {
             btn_class = $.trim(btn_class.replace('btn-primary', 'primary').replace(/(btn[a-z-]*|button|disabled)/g, ''))
             btn_class += ' button' + (!always_active ? ' disabled' : '');
         }
         else if (popup = target.data('popup')) {
             button.data({popup: popup, 'toggle-button': target.data('toggle-button')});
             popup_init(button[0]);
             click = false;
             rcmail.register_menu_button(button[0], popup);
         }
 
         button.attr({id: button_id, href: '#', 'class': btn_class})
             .append($('<span class="inner">').text(target.text()));
 
         if (click) {
             button.on('click', function(e) { target.click(); });
         }
 
         if (is_framed && !menu_button) {
             button.data('target', target);
             frame_buttons.push($.extend({button_id: button_id}, find_button(target[0].id)));
         }
         else {
             // Register the button to get active state updates
             register_cloned_button(target_id, button_id, btn_class.replace(' disabled', ''));
         }
 
         return button;
     };
 
     /**
      * Finds an rcmail button
      */
     function find_button(id)
     {
         var i, button, command;
 
         for (command in rcmail.buttons) {
             for (i = 0; i < rcmail.buttons[command].length; i++) {
                 button = rcmail.buttons[command][i];
                 if (button.id == id) {
                     return {
                         command: command,
                         index: i,
                         data: button
                     };
                 }
             }
         }
     };
 
     /**
      * Setup environment
      */
     function layout_init()
     {
         // Select current layout element
         env.last_selected = $('#layout > div.selected')[0];
         if (!env.last_selected && layout.content.length) {
             $.each(['sidebar', 'list', 'content'], function() {
                 if (layout[this].length) {
                     env.last_selected = layout[this][0];
                     layout[this].addClass('selected');
                     return false;
                 }
             });
         }
 
         // Register resize handler
         $(window).on('resize', function() {
             clearTimeout(env.resize_timeout);
             env.resize_timeout = setTimeout(function() { resize(); }, 25);
         });
 
         // Enable rcmail.open_window intercepting
         env.open_window = rcmail.open_window;
         rcmail.open_window = window_open;
 
         rcmail
             .addEventListener('message', message_displayed)
             .addEventListener('menu-open', menu_toggle)
             .addEventListener('menu-close', menu_toggle)
             .addEventListener('editor-init', tinymce_init)
             .addEventListener('autocomplete_create', rcmail_popup_init)
             .addEventListener('googiespell_create', rcmail_popup_init)
             .addEventListener('setquota', update_quota)
             .addEventListener('enable-command', enable_command_handler)
             .addEventListener('init', init);
 
         // Add styling for TinyMCE editor popups
         // We need to use MutationObserver, as TinyMCE does not provide any events for this
         if (window.MutationObserver && window.tinymce) {
             var callback = function(list) {
                 $.each(list, function() {
                     $.each(this.addedNodes, function() {
                         tinymce_style(this);
                     });
                 });
             };
 
             (new MutationObserver(callback)).observe(document.body, {childList: true});
         }
     };
 
     /**
      * rcmail 'init' event handler
      */
     function init()
     {
         // Additional functionality on list widgets
         $('[data-list]').filter('ul,table').each(function() {
             var button,
                 table = $(this),
                 list = table.data('list');
 
             if (rcmail[list] && rcmail[list].multiselect) {
                 var repl, button,
                     parent = table.parents('layout-sidebar,#layout-list,#layout-content').last(),
                     header = parent.find('.header'),
                     toolbar = header.find('ul');
 
                 if (!toolbar.length) {
                     toolbar = header;
                 }
                 else if (button = toolbar.find('a.select').data('toggle-button')) {
                     button = $('#' + button);
                 }
 
                 // Enable checkbox selection on list widgets
                 rcmail[list].enable_checkbox_selection();
 
                 // Add Select button to the list navigation bar
                 if (!button) {
                     button = $('<a>').attr({'class': 'button select disabled', role: 'button', title: rcmail.gettext('select')})
                         .on('click', function() { if ($(this).is('.active')) table.toggleClass('withselection'); })
                         .append($('<span class="inner">').text(rcmail.gettext('select')));
 
                     if (toolbar.is('.menu')) {
                         button.prependTo(toolbar).wrap('<li role="menuitem">');
 
                         // Add a button to the content toolbar menu too
                         if (layout.content) {
                             var button2 = create_cloned_button(button, true, 'hidden-big hidden-large');
                             $('<li role="menuitem">').append(button2).appendTo('#toolbar-menu');
                             button = button.add(button2);
                         }
                     }
                     else {
                         if (repl = table.data('list-select-replace')) {
                             $(repl).replaceWith(button);
                         }
                         else {
                             button.appendTo(toolbar).addClass('icon');
                             if (!parent.is('#layout-sidebar')) {
                                 button.addClass('toolbar-button');
                             }
                         }
                     }
                 }
 
                 // Update Select button state on list update
                 rcmail.addEventListener('listupdate', function(prop) {
                     if (prop.list && prop.list == rcmail[list]) {
                         if (prop.rowcount) {
                             button.addClass('active').removeClass('disabled').attr('tabindex', 0);
                         }
                         else {
                             button.removeClass('active').addClass('disabled').attr('tabindex', -1);
                         }
                     }
                 });
             }
 
             // https://github.com/roundcube/elastic/issues/45
             // Draggable blocks scrolling on touch devices, we'll disable it there
             if (touch && rcmail[list]) {
                 if (typeof rcmail[list].draggable == 'function') {
                     rcmail[list].draggable('destroy');
                 }
                 else if (typeof rcmail[list].draggable == 'boolean') {
                     rcmail[list].draggable = false;
                 }
             }
         });
 
         // Display "List is empty..." on the list
         if (window.MutationObserver) {
             $('[data-label-msg]').filter('ul,table').each(function() {
                 var fn, observer, callback,
                     info = $('<div class="listing-info hidden">').insertAfter(this),
                     table = $(this),
 
                 fn = function() {
                     var ext, command,
                         msg = table.data('label-msg'),
                         list = table.is('ul') ? table : table.children('tbody');
 
                     if (!rcmail.env.search_request && !rcmail.env.qsearch
                         && msg && !list.children(':visible').length
                     ) {
                         ext = table.data('label-ext');
                         command = table.data('create-command');
 
                         if (ext && (!command || rcmail.commands[command])) {
                             msg += ' ' + ext;
                         }
 
                         info.text(msg).removeClass('hidden');
                         return;
                     }
 
                     info.addClass('hidden');
                 };
 
                 callback = function() {
                     // wait until the UI stops loading and the list is visible
                     if (rcmail.busy || !table.is(':visible')) {
                         return setTimeout(callback, 250);
                     }
 
                     clearTimeout(env.list_timer);
                     env.list_timer = setTimeout(fn, 50);
                 };
 
                 // show/hide the message when something changes on the list
                 observer = new MutationObserver(callback);
                 observer.observe(table[0], {childList: true, subtree: true, attributes: true, attributeFilter: ['style']});
 
                 // initialize the message
                 callback();
             });
         }
 
         // Create floating action button(s)
         if ((layout.list.length || layout.content.length) && is_mobile()) {
             var fabuttons = [];
 
             $('[data-fab]').each(function() {
                 var button = $(this),
                     task = button.data('fab-task') || '*',
                     action = button.data('fab-action') || '*';
 
                 if ((task == '*' || task == rcmail.task)
                     && (action == '*' || action == rcmail.env.action || (action == 'none' && !rcmail.env.action))
                 ) {
                     fabuttons.push(create_cloned_button(button, false, false, true));
                 }
             });
 
             if (fabuttons.length) {
                 $('<div class="floating-action-buttons">').append(fabuttons)
                     .appendTo(layout.list.length ? layout.list : layout.content);
             }
         }
 
         // Add menu link for each attachment
         if (rcmail.env.action != 'print') {
             $('#attachment-list > li').each(function() {
                 attachmentmenu_append(this);
             });
         }
 
         var phone_confirmation = function(label) {
             if (mode == 'phone') {
                 rcmail.display_message(rcmail.gettext(label), 'confirmation');
             }
         };
 
         rcmail.addEventListener('fileappended', function(e) {
                 if (e.attachment.complete) {
                     attachmentmenu_append(e.item);
                     if (e.attachment.mimetype == 'text/vcard' && rcmail.commands['attach-vcard']) {
                         phone_confirmation('vcard_attachments.vcardattached');
                     }
                 }
             })
             .addEventListener('managesieve.insertrow', function(o) { bootstrap_style(o.obj); })
             .addEventListener('add-recipient', function() { phone_confirmation('recipientsadded'); });
 
         rcmail.init_pagejumper('.pagenav > input');
 
         if (rcmail.task == 'mail') {
             if (rcmail.env.action == 'compose') {
                 // In compose window we do not provide "Back' button, instead
                 // we modify the Mail button in the task menu to act like it (i.e. calls 'list' command)
                 if (!rcmail.env.extwin) {
                     $('a.mail', layout.menu).attr('onclick', "return rcmail.command('list','',this,event)");
                 }
 
                 rcmail.addEventListener('compose-encrypted', function(e) {
                     $("a.mode-html, button.attach").prop('disabled', e.active);
                     $('a.attach, a.responses')[e.active ? 'addClass' : 'removeClass']('disabled');
                 });
 
                 $('#layout-sidebar > .footer:not(.pagenav) > a.button').click(function() {
                     if ($(this).is('.disabled')) {
                         rcmail.display_message(rcmail.gettext('nocontactselected'), 'warning');
                     }
                 });
 
                 // Update compose status bar on attachments list update
                 if (window.MutationObserver) {
                     var observer, list = $('#attachment-list'),
                         status_callback = function() { compose_status('attach', list.children().length > 0); };
 
                     observer = new MutationObserver(status_callback);
                     observer.observe(list[0], {childList: true});
                     status_callback();
                 }
             }
 
             // Append contact menu to all mailto: links
             if (rcmail.env.action == 'preview' || rcmail.env.action == 'show') {
                 $('a').filter('[href^="mailto:"]').each(function() {
                     mailtomenu_append(this);
                 });
             }
         }
         else if (rcmail.task == 'settings') {
             rcmail.addEventListener('identity-encryption-show', function(p) {
                 bootstrap_style(p.container);
             });
             rcmail.addEventListener('identity-encryption-update', function(p) {
                 bootstrap_style(p.container);
             });
         }
 
         rcmail.set_env({
             thread_padding: '1.5rem',
             // increase popup windows, so they do not switch to tablet mode
             popup_width_small: 1025,
             popup_width: 1200
         });
 
         // Update layout after initialization (again)
         // In devel mode we have to wait until all styles are applied by less
         if (rcmail.env.devel_mode && window.less) {
             less.pageLoadFinished.then(function() {
                 resize();
             });
         }
         else {
             resize();
         }
 
         // Add date format placeholder to datepicker inputs
         var func, format = rcmail.env.date_format_localized;
         if (format) {
             func = function(input) {
                 $(input).filter('.datepicker').attr('placeholder', format);
                 // also make selects pretty
                 $(input).parent().find('select').each(function() { pretty_select(this); });
             };
 
             $('input.datepicker').each(function() { func(this); });
             rcmail.addEventListener('insert-edit-field', func);
         }
     };
 
     /**
      * Apply bootstrap classes to html elements
      */
     function bootstrap_style(context)
     {
         if (!context) {
             context = document;
         }
 
         // Buttons
         $('input.button,button', context).not('.btn').addClass('btn').not('.btn-primary,.primary,.mainaction').addClass('btn-secondary');
         $('input.button.mainaction,button.primary,button.mainaction', context).addClass('btn-primary');
         $('button.btn.delete,button.btn.discard', context).addClass('btn-danger');
 
         $.each(['warning', 'error', 'information', 'confirmation'], function() {
             var type = this;
             $('.box' + type + ':not(.ui.alert)', context).each(function() {
                 alert_style(this, type, true);
             });
         });
 
         // Convert structure of single dialogs (one input or just an image),
         // e.g. group create, attachment rename where we use <label>Label<input></label>
         if (context != document && $('.popup', context).children().length == 1) {
             var content = $('.popup', context).children().first();
             if (content.is('img')) {
                 $('.popup', context).addClass('justified');
             }
             else if (content.is('label')) {
                 var input = content.find('input').detach(),
                     label = content.detach(),
                     id = input.attr('id');
 
                 if (!id) {
                     input.attr('id', id = 'dialog-input-elastic');
                 }
 
                 $('.popup', context).addClass('formcontent').append(
                     $('<div class="form-group row">')
                         .append(label.attr('for', id).addClass('col-sm-2 col-form-label'))
                         .append($('<div class="col-sm-10">').append(input))
                 );
 
                 input.focus();
             }
         }
 
         // Forms
         var supported_controls = 'input:not(.button,.no-bs,[type=button],[type=radio],[type=checkbox]),textarea';
         $(supported_controls, $('.propform', context)).addClass('form-control');
         $('[type=checkbox]', $('.propform', context)).addClass('form-check-input');
 
         // Note: On selects we add form-control to get consistent focus
         //       and to not have to create separate rules for selects and inputs
         $('select', context).addClass('form-control custom-select');
 
         if (context != document) {
             $(supported_controls, context).addClass('form-control');
         }
 
         $('table.propform', context).each(function() {
             var text_rows = 0, form_rows = 0;
 
             $(this).find('> tbody > tr, > tr').each(function() {
                 var first, last, row = $(this),
                     row_classes = ['form-group', 'row'],
                     cells = row.children('td');
 
                 if (cells.length == 2) {
                     first = cells.first();
                     last = cells.last();
 
                     $('label', first).addClass('col-form-label');
                     first.addClass('col-sm-4');
                     last.addClass('col-sm-8');
 
                     if (last.find('[type=checkbox]').length == 1 && !last.find('.proplist').length) {
                         row_classes.push('form-check');
 
                         if (last.find('a').length) {
                             row_classes.push('with-link');
                         }
 
                         form_rows++;
                     }
                     else if (!last.find('input:not([type=hidden]),textarea,radio,select').length) {
                         last.addClass('form-control-plaintext');
                         text_rows++;
                     }
                     else {
                         form_rows++;
                     }
 
                     // style some multi-input fields
                     if (last.children('.datepicker') && last.children('input').length == 2) {
                         last.addClass('datetime');
                     }
                 }
                 else if (cells.length == 1) {
                     cells.css('width', '100%');
                 }
 
                 row.addClass(row_classes.join(' '));
             });
 
             if (text_rows > form_rows) {
                 $(this).addClass('text-only');
             }
         });
 
         // Special input + anything entry
         $('td.input-group', context).each(function() {
             $(this).children().slice(1).addClass('input-group-append');
         });
 
         // Other forms, e.g. Contact advanced search
         $('fieldset.propform:not(.groupped) div.row', context).each(function() {
             var has_input = $('input:not([type=hidden]),select,textarea', this).length > 0;
 
             if (has_input) {
                 $(supported_controls, this).addClass('form-control');
             }
 
             $(this).children().last().addClass('col-sm-8' + (!has_input ? ' form-control-plaintext' : ''));
             $(this).children().first().addClass('col-sm-4 col-form-label');
             $(this).addClass('form-group');
         });
 
         // Contact info/edit form
         $('fieldset.propform.groupped fieldset', context).each(function() {
             $('.row', this).each(function() {
                 var label, first,
                     has_input = $('input,select,textarea', this).length > 0,
                     items = $(this).children();
 
                 if (has_input) {
                     $(supported_controls, this).addClass('form-control');
                 }
 
                 if (items.length < 2) {
                     return;
                 }
 
                 first = items.first();
                 if (first.is('select')) {
                     first.addClass('input-group-prepend');
                 }
                 else {
                     first.wrap('<span class="input-group-prepend">').addClass('input-group-text');
                 }
 
                 if (!has_input) {
                     items.last().addClass('form-control-plaintext');
                 }
 
                 $('.content', this).addClass('input-group-prepend input-group-append input-group-text');
                 $('a.deletebutton', this).addClass('input-group-text icon delete').wrap('<span class="input-group-append">');
                 $(this).addClass('input-group');
             });
         });
 
         // Advanced options form
         $('fieldset.advanced', context).each(function() {
             var table = $(this).children('.propform').first();
             table.wrap($('<div>').addClass('collapse'));
             $(this).children('legend').first().addClass('closed').on('click', function() {
                 table.parent().collapse('toggle');
                 $(this).toggleClass('closed');
             });
         });
 
         // Other forms, e.g. Insert response
         $('.propform > .prop.block:not(.row)', context).each(function() {
             $(this).addClass('form-group row').each(function() {
                 $('label', this).addClass('col-form-label').wrap($('<div class="col-sm-4">'));
                 $('input,select,textarea', this).wrap($('<div class="col-sm-8">'));
                 $(supported_controls, this).addClass('form-control');
             });
         });
 
         $('td.rowbuttons > a', context).addClass('btn');
 
         // Testing Bootstrap Tabs on contact info/edit page
         // Tabs do not scale nicely on very small screen, so can be used
         // only with small number of tabs with short text labels
         $('form.tabbed,div.tabbed', context).each(function(idx, item) {
             var tabs = [], nav = $('<ul>').attr({'class': 'nav nav-tabs', role: 'tablist'});
 
             $(this).addClass('tab-content').children('fieldset').each(function(i, fieldset) {
                 var tab, id = fieldset.id || ('tab' + idx + '-' + i),
                     tab_class = $(fieldset).data('navlink-class');
 
                 $(fieldset).addClass('tab-pane').attr({id: id, role: 'tabpanel'});
 
                 tab = $('<li>').addClass('nav-item').append(
                     $('<a>').addClass('nav-link' + (tab_class ? ' ' + tab_class : ''))
                         .attr({role: 'tab', 'href': '#' + id})
                         .text($('legend', fieldset).first().text())
                         .click(function(e) {
                             $(this).tab('show');
                             // Because we return false we have to close popups
                             popups_close(e);
                             // Returning false here prevents from strange scrolling issue
                             // when the form is in an iframe, e.g. contact edit form
                             return false;
                         })
                 );
 
                 $('legend', fieldset).first().hide();
                 tabs.push(tab);
             });
 
             // create the navigation bar
             nav.append(tabs).insertBefore(item);
             // activate the first tab
             $('a.nav-link', nav).first().click();
         });
 
         $('input[type=file]:not(.custom-file-input)', context).each(function() {
             var label_text = rcmail.gettext('choosefile' + (this.multiple ? 's' : '')),
                 label = $('<label>').attr({'class': 'custom-file-label',
                     'data-browse': rcmail.gettext('browse')}).text(label_text);
 
             $(this).addClass('custom-file-input').wrap('<div class="custom-file">');
             $(this).on('change', function() {
                     var text = label_text;
                     if (this.files.length) {
                         text = this.files[0].name;
                         if (this.files.length > 1) {
                             text += ', ...';
                         }
                     }
 
                     // Note: We don't use label variable to allow cloning of the input
                     $(this).next().text(text);
                 })
                 .parent().append(label);
         });
 
         // Make tables pretier
         $('table:not(.table,.compact-table,.propform,.listing,.ui-datepicker-calendar)', context)
             .filter(function() {
                 // exclude direct propform children and external content
                 return !$(this).parent().is('.propform')
                     && !$(this).parents('.message-htmlpart,.message-partheaders,.boxinformation,.raw-tables').length;
             })
             .each(function() {
                 // TODO: Consider implementing automatic setting of table-responsive on window resize
                 var table = $(this).addClass('table');
                 table.parent().addClass('table-responsive-sm');
                 table.find('thead').addClass('thead-default');
             });
 
         // The same for some other checkboxes
         // We do this here, not in setup() because we want to cover dialogs
         $('input.pretty-checkbox, .propform input[type=checkbox], .form-check input, .popupmenu.form input[type=checkbox], .menu input[type=checkbox]', context)
             .each(function() { pretty_checkbox(this); });
 
         // Also when we add action-row of the form, e.g. Managesieve plugin adds them after the page is ready
         if ($(context).is('.actionrow')) {
             $('input[type=checkbox]', context).each(function() { pretty_checkbox(this); });
         }
 
         // Input-group combo is an element with a select field on the left
         // and input(s) on right, and where the whole right side can be hidden
         // depending on the select position. This code fixes border radius on select
         $('.input-group-combo > select', context).first().on('change', function() {
             var select = $(this),
                 fn = function() {
                     select[select.next().is(':visible') ? 'removeClass' : 'addClass']('alone');
                 };
 
             setTimeout(fn, 50);
             setTimeout(fn, 2000); // for devel mode
         }).trigger('change');
 
         // Make message-objects alerts pretty (the same as UI alerts)
         $('#message-objects', context).children(':not(.ui.alert)').add('.part-notice').each(function() {
             // message objects with notice class are really warnings
             var cl = $(this).removeClass('notice part-notice').attr('class').split(/\s/)[0] || 'warning';
             alert_style(this, cl);
             $(this).addClass('box' + cl);
             $('a', this).addClass('btn btn-primary btn-sm');
         });
 
         // Form validation errors (managesieve plugin)
         $('.error', context).addClass('is-invalid');
 
         // Make logon form prettier
         if (rcmail.env.task == 'login' && context == document) {
             $('#rcmloginsubmit').addClass('btn-lg text-uppercase w-100');
             $('#login-form table tr').each(function() {
                 var input = $('input,select', this),
                     label = $('label', this),
                     icon_name = input.data('icon'),
                     icon = $('<i>').attr('class', 'input-group-text icon ' + input.attr('name').replace('_', ''));
 
                 if (icon_name) {
                     icon.addClass(icon_name);
                 }
 
                 $(this).addClass('form-group row');
                 label.parent().css('display', 'none');
                 input.addClass(input.is('select') ? 'custom-select' : 'form-control')
                     .attr('placeholder', label.text())
                     .before($('<span class="input-group-prepend">').append(icon))
                     .parent().addClass('input-group input-group-lg');
             });
         }
 
         $('select:not([multiple])', context).each(function() { pretty_select(this); });
     };
 
     /**
      * Detects if the element is TinyMCE dialog/menu
      * and adds Elastic styling to it
      */
     function tinymce_style(elem)
     {
         // TinyMCE dialog widnows
         if ($(elem).is('.mce-window')) {
             var body = $(elem).find('.mce-window-body'),
                 foot = $(elem).find('.mce-foot > .mce-container-body');
 
             // Apply basic forms style
             if (body.length) {
                 bootstrap_style(body[0]);
             }
 
             body.find('button').filter(function() { return $(this).parent('.mce-btn').length > 0; }).removeClass('btn btn-secondary');
 
             // Fix icons in Find and Replace dialog footer
             if (foot.children('.mce-widget').length === 5) {
                 foot.addClass('mce-search-foot');
             }
 
             // Apply some form structure fixes and helper classes
             $(elem).find('.mce-charmap').parent().parent().addClass('mce-charmap-dialog');
             $(elem).find('.mce-combobox').each(function() {
                 if (!$(this).children('.mce-btn').length) {
                     $(this).addClass('mce-combobox-fake');
                 }
             });
             $(elem).find('.mce-form > .mce-container-body').each(function() {
                 if ($(this).children('.mce-formitem').length > 4) {
                     $(this).addClass('mce-form-split');
                 }
             });
             $(elem).find('.mce-form').next(':not(.mce-formitem)').addClass('mce-form');
 
             // Fix dialog height (e.g. Table properties dialog)
             if (!is_mobile()) {
                 var offset, max_height = 0, height = body.height();
                 $(elem).find('.mce-form').each(function() {
                     max_height = Math.max(max_height, $(this).height());
                 });
 
                 if (height < max_height) {
                     max_height += (body.find('.mce-tabs').height() || 0) + 25;
                     body.height(max_height);
                     $(elem).height($(elem).height() + (max_height - height));
                     $(elem).css('top', ($(window).height() - $(elem).height())/2 + 'px');
                 }
             }
         }
         // TinyMCE menus on mobile
         else if ($(elem).is('.mce-menu')) {
             $(elem).prepend(
                 $('<h3 class="popover-header">').append(
                     $('<a class="button icon "' + 'cancel' + '">')
                         .text(rcmail.gettext('close'))
                         .on('click', function() { $(document.body).click(); })));
 
             if (window.MutationObserver) {
                 var callback = function() {
                         if (mode != 'phone') {
                             return;
                         }
                         if (!$('.mce-menu:visible').length) {
                             $('div.mce-overlay').click();
                         }
                         else if (!$('div.mce-overlay').length) {
                             $('<div>').attr('class', 'popover-overlay mce-overlay')
                                 .appendTo('body')
                                 .click(function() { $(this).remove(); });
                         }
                     };
 
                 (new MutationObserver(callback)).observe(elem, {attributes: true});
             }
         }
     };
 
     /**
      * Initializes popup menus
      */
     function dropdowns_init()
     {
         $('[data-popup]').each(function() { popup_init(this); });
 
         $(document).on('click', popups_close);
         rcube_webmail.set_iframe_events({mousedown: popups_close, touchstart: popups_close});
     };
 
     /**
      * Init content frame
      */
     function content_frame_init()
     {
         var last_selected = env.last_selected,
             title_reset = function(title) {
                 if (typeof title !== 'string' || !title.length) {
                     title = $('h1.voice').text() || $('title').text() || '';
                 }
 
                 $('.header > .header-title', layout.content).text(title);
             };
 
         // display or reset the content frame
         var common_content_handler = function(e, href, show, title)
         {
             if (is_mobile()) {
                 content_frame_navigation(href, e);
             }
 
             if (show && !layout.content.is(':visible')) {
                 env.last_selected = layout.content[0];
                 screen_resize();
 
                 if (title) {
                     title_reset(title);
                 }
             }
             else if (!show) {
                 if (env.last_selected != last_selected && !env.content_lock) {
                     env.last_selected = last_selected;
                     screen_resize();
                 }
                 title_reset();
             }
 
             env.content_lock = false;
         };
 
         var common_list_handler = function(e) {
             if (mode != 'large' && !env.content_lock && e.force) {
                 show_list();
             }
 
             env.content_lock = false;
 
             // display current folder name in list header
             if (e.title) {
                 $('.header > .header-title', layout.list).text(e.title);
             }
         };
 
         var list_handler = function(e) {
             var args = {};
 
             if (rcmail.env.task == 'addressbook' || rcmail.env.task == 'mail') {
                 args.force = true;
             }
 
             // display current folder name in list header
             if (rcmail.env.task == 'mail' && !rcmail.env.action) {
                 var name = $.type(e) == 'string' ? e : rcmail.env.mailbox,
                     folder = rcmail.env.mailboxes[name];
 
                 args.title = folder ? folder.name : '';
             }
 
             common_list_handler(args);
         };
 
         // when loading content-frame in small-screen mode display it
         layout.content.find('iframe').on('load', function(e) {
             var href = '', show = true;
 
             // Reset the scroll position of the iframe-wrapper
             $(this).parent('.iframe-wrapper').scrollTop(0);
 
             try {
                 href = e.target.contentWindow.location.href;
                 show = !href.endsWith(rcmail.env.blankpage);
                 // Reset title back to the default
                 $(e.target.contentWindow).on('unload', title_reset);
             }
             catch(e) { /* ignore */ }
 
             common_content_handler(e, href, show);
         });
 
         rcmail
             .addEventListener('afterlist', list_handler)
             .addEventListener('afterlistgroup', list_handler)
             .addEventListener('afterlistsearch', list_handler)
             // plugins
             .addEventListener('show-list', function(e) {
                 e.force = true;
                 common_list_handler(e);
             })
             .addEventListener('show-content', function(e) {
                 if (!$(e.obj).is('iframe')) {
                     $(e.scrollElement || e.obj).scrollTop(0);
                     if (is_mobile()) {
                         iframe_loader(e.obj);
                     }
                 }
 
                 common_content_handler(e.event || new Event, '_action=' + (e.mode || 'edit'), true, e.title);
             });
     };
 
     /**
      * Content frame navigation
      */
     function content_frame_navigation(href, event)
     {
         // Don't display navigation for create/add action frames
         if (href.match(/_action=(create|add)/) || href.match(/_nav=hide/)) {
             $(env.frame_nav).addClass('hide-nav-buttons');
             return;
         }
 
         var node, uid, list, _list = $('[data-list]', layout.list).data('list');
 
         if (!_list || !(list = rcmail[_list])) {
             // hide navbar if there are no visible buttons, e.g. Help plugin UI
             if ($(env.frame_nav).is('.hide-nav-buttons') && !$('.buttons', env.frame_nav).children().length) {
                 $(env.frame_nav).addClass('hidden');
             }
             return;
         }
 
         $(env.frame_nav).removeClass('hide-nav-buttons hidden');
 
         // expand collapsed row so we do not skip the whole thread
         // TODO: Unified interface for list and treelist widgets
         if (uid = list.get_single_selection()) {
             if (list.rows && list.rows[uid] && !list.rows[uid].expanded) {
                 list.expand_row(event, uid);
             }
             else if (list.get_node && (node = list.get_node(uid)) && node.collapsed) {
                 list.expand(uid);
             }
         }
 
         var prev, next,
             frame = $('#' + rcmail.env.contentframe),
             next_button = $('a.button.next', env.frame_nav).off('click').addClass('disabled'),
             prev_button = $('a.button.prev', env.frame_nav).off('click').addClass('disabled');
 
         if ((next = list.get_next()) || rcmail.env.current_page < rcmail.env.pagecount) {
             next_button.removeClass('disabled').on('click', function() {
                 env.content_lock = true;
                 iframe_loader(frame);
 
                 if (next) {
                     list.select(next);
                 }
                 else {
                     rcmail.env.list_uid = 'FIRST';
                     rcmail.command('nextpage');
                 }
             });
         }
 
         if (((prev = list.get_prev()) && (prev != '*' || _list != 'subscription_list')) || rcmail.env.current_page > 1) {
             prev_button.removeClass('disabled').on('click', function() {
                 env.content_lock = true;
                 iframe_loader(frame);
 
                 if (prev) {
                     list.select(prev);
                 }
                 else {
                     rcmail.env.list_uid = 'LAST';
                     rcmail.command('previouspage');
                 }
             });
         }
     };
 
     /**
      * Handler for editor-init event
      */
     function tinymce_init(o)
     {
         // Enable autoresize plugin
         o.config.plugins += ' autoresize';
 
         if (is_touch()) {
             // Make the toolbar icons bigger
             o.config.toolbar_items_size = null;
 
             // Use minimalistic toolbar
             o.config.toolbar = 'undo redo | insert | styleselect';
 
             if (o.config.plugins.match(/emoticons/)) {
                 o.config.toolbar += ' emoticons';
             }
         }
 
         if (rcmail.task == 'mail' && rcmail.env.action == 'compose') {
             var form = $('#compose-content > form'),
                 keypress = function(e) {
                     if (e.key == 'Tab' && e.shiftKey) {
                         $('#compose-content > form').scrollTop(0);
                     }
                 };
 
             // Shift+Tab on mail compose editor scrolls the page to the top
             o.config.setup_callback = function(ed) {
                 ed.on('keypress', keypress);
             };
 
             $('#composebody').on('keypress', keypress);
 
             // Keep the editor toolbar on top of the screen on scroll
             form.on('scroll', function() {
                 var container = $('.mce-container-body', form),
                     toolbar = $('.mce-top-part', container),
                     editor_offset = container.offset(),
                     header_top = form.offset().top;
 
                 if (editor_offset && (editor_offset.top - header_top < 0)) {
                     toolbar.css({position: 'fixed', top: header_top + 'px', width: container.width() + 'px'});
                 }
                 else {
                     toolbar.css({position: 'relative', top: 0, width: 'auto'})
                 }
             });
 
             $(window).resize(function() { form.trigger('scroll'); });
         }
     };
 
     function datepicker_init(datepicker)
     {
         // Datepicker widget improvements: overlay element, styling updates on calendar element update
         // The widget does not provide any event system, so we use MutationObserver
         if (window.MutationObserver) {
             $(datepicker).not('[data-observed]').each(function() {
                 var overlay, hidden = true,
                     win = is_framed ? parent : window,
                     callback = function(data) {
                         $.each(data, function(i, v) {
                             // add/remove overlay on widget show/hide
                             if (v.type == 'attributes') {
                                 var is_hidden = $(v.target).attr('aria-hidden') == 'true';
                                 if (is_hidden != hidden) {
                                     if (!is_hidden) {
                                         overlay = $('<div>').attr('class', 'ui-widget-overlay datepicker')
                                             .appendTo(win.document.body)
                                             .click(function(e) {
                                                 $(this).remove();
                                                 if (is_framed) {
                                                     $.datepicker._hideDatepicker();
                                                 }
                                             });
                                     }
                                     else if (overlay) {
                                         overlay.remove();
                                     }
                                     hidden = is_hidden;
                                 }
                             }
                             else if (v.addedNodes.length) {
                                 // apply styles when widget content changed
                                 win.UI.bootstrap_style(v.target);
 
                                 // Month/Year change handlers do not work from parent, fix it
                                 if (is_framed) {
                                     win.$('select.ui-datepicker-month', v.target).on('change', function() {
                                         $.datepicker._selectMonthYear($.datepicker._lastInput, this, "M");
                                     });
                                     win.$('select.ui-datepicker-year', v.target).on('change', function() {
                                         $.datepicker._selectMonthYear($.datepicker._lastInput, this, "Y");
                                     });
                                 }
                             }
                         });
                     };
 
                 $(this).attr('data-observed', '1');
 
                 if (is_framed) {
                     // move the datepicker to parent window
                     $(this).detach().appendTo(parent.document.body);
 
                     // create fake element, so the valid one is not removed by datepicker code
                     $('<div id="ui-datepicker-div" class="hidden">').appendTo(document.body);
                 }
 
                 (new MutationObserver(callback)).observe(this, {childList: true, subtree: false, attributes: true, attributeFilter: ['aria-hidden']});
             });
         }
     };
 
     /**
      * Handler for some Roundcube core popups
      */
     function rcmail_popup_init(o)
     {
         // Add some common styling to the autocomplete/googiespell popups
         $('ul', o.obj).addClass('menu listing iconized');
         $(o.obj).addClass('popupmenu popover');
         bootstrap_style(o.obj);
 
         // for googiespell list
         $('input', o.obj).addClass('form-control');
 
         // Modify the googiespell menu on mobile
         if (is_mobile() && $(o.obj).is('.googie_window')) {
             // Set popup Close title
             var title = rcmail.gettext('close'),
                 class_name = 'button icon cancel',
                 close_link = $('<a>').attr('class', class_name).text(title)
                     .click(function(e) {
                         e.stopPropagation();
                         $('.popover-overlay').remove();
                         $(o.obj).hide();
                     });
 
             $('<h3 class="popover-header">').append(close_link).prependTo(o.obj);
 
             // add overlay element for phone layout
             if (!$('.popover-overlay').length) {
                 $('<div>').attr('class', 'popover-overlay')
                     .appendTo('body')
                     .click(function() { $(this).remove(); });
             }
 
             $('ul,button', o.obj).click(function(e) {
                 if (!$(e.target).is('input')) {
                     $('.popover-overlay').remove();
                 }
             });
         }
     };
 
     /**
      * Handler for 'enable-command' event
      */
     function enable_command_handler(args)
     {
         if (is_framed) {
             $.each(frame_buttons, function(i, button) {
                 if (args.command == button.command) {
                     parent.$('#' + button.button_id)[args.status ? 'removeClass' : 'addClass']('disabled');
                 }
             });
         }
 
         if (rcmail.task == 'mail') {
             switch (args.command) {
             case 'reply-list':
                 if (rcmail.env.reply_all_mode == 1) {
                     var label = rcmail.gettext(args.status ? 'replylist' : 'replyall');
                     $('a.button.reply-all').attr('title', label).find('.inner').text(label);
                 }
                 break;
 
             case 'compose-encrypted':
                 // show the toolbar button for Mailvelope
                 if (args.status) {
                     $('a.button.encrypt:not(.icon)').parent().show();
                 }
                 break;
 
             case 'compose-encrypted-signed':
                 // enable selector for encrypt and sign
                 $('#encryption-menu-button').show();
                 break;
             }
         }
     };
 
     /**
      *  screen mode
      */
     function screen_mode()
     {
         var size, width = $(window).width();
 
         if (width <= 480)
             size = 'phone';
         else if (width > 1200)
             size = 'large';
         else if (width > 768)
             size = 'normal';
         else
             size = 'small';
 
         touch = width <= 1024;
         mode = size;
     };
 
     /**
      * Window resize handler
      * Does layout reflows e.g. on screen orientation change
      */
     function resize()
     {
         var mobile;
 
         screen_mode();
         screen_resize();
         screen_resize_html();
 
         // disable ext-windows and other features
         if (mobile = is_mobile()) {
             rcmail.set_env(env.small_screen_config);
             rcmail.enable_command('extwin', false);
         }
         else {
             rcmail.set_env(env.config);
             rcmail.enable_command('extwin', true);
         }
 
         // Hide content frame buttons on small devices (with frame toolbar in parent window)
         $.each(content_buttons, function() { $(this)[mobile ? 'hide' : 'show'](); });
     };
 
     function screen_resize()
     {
         if (is_framed && !layout.sidebar.length && !layout.list.length) {
             return;
         }
 
         switch (mode) {
             case 'phone': screen_resize_phone(); break;
             case 'small': screen_resize_small(); break;
             case 'normal': screen_resize_normal(); break;
             case 'large': screen_resize_large(); break;
         }
 
         screen_resize_logo(mode);
         screen_resize_headers();
 
         // On iOS and Android the content frame height is never correct, fix it.
         // Actually I observed the issue on my old iPad with iOS 9.3.
         if (bw.webkit && bw.ipad && bw.agent.match(/OS 9/)) {
             $('.iframe-wrapper').each(function() {
                 var h = $(this).height();
                 if (h) {
                     $(this).children('iframe').height(h);
                 }
             });
         }
     };
 
     /**
      * Assigns layout-* and touch-mode class to the 'html' element
      *
      * If we're inside an iframe that is small we have to
      * check if the parent window is also small (mobile).
      * We use that e.g. to still display desktop-like popovers in dialogs
      */
     function screen_resize_html()
     {
         var meta = layout_metadata(),
             html = $(document.documentElement);
 
         if (html[0].className.match(/layout-([a-z]+)/)) {
             if (RegExp.$1 != meta.mode) {
                 html.removeClass('layout-' + RegExp.$1)
                     .addClass('layout-' + meta.mode);
             }
         }
         else {
             html.addClass('layout-' + meta.mode);
         }
 
         if (meta.touch && !html.is('.touch')) {
             html.addClass('touch');
         }
         else if (!meta.touch && html.is('.touch')) {
             html.removeClass('touch');
         }
     };
 
     function screen_resize_logo(mode)
     {
         if (mode == 'phone' && $('#logo').data('src-small')) {
             $('#logo').attr('src', $('#logo').data('src-small'));
         }
         else {
             $('#logo').attr('src', $('#logo').data('src-default'));
         }
     }
 
     /**
      * Sets left and right margin to the header title element to make it
      * properly centered depending on the number of buttons on both sides
      */
     function screen_resize_headers()
     {
         $('#layout > div > .header').each(function() {
             var title, right = 0, left = 0, padding = 0,
                 sizes = {left: 0, right: 0};
 
             $(this).children(':visible').each(function() {
                 if (!title && $(this).is('.header-title')) {
                     title = $(this);
                     return;
                 }
 
                 sizes[title ? 'right' : 'left'] += this.offsetWidth;
             });
 
             if (padding + sizes.right >= sizes.left) {
                 right = 0;
                 left = sizes.right + padding - sizes.left;
             }
             else {
                 left = 0;
                 right = sizes.left - (padding + sizes.right);
             }
 
             $(title).css({
                 'margin-right': right + 'px',
                 'margin-left': left + 'px',
                 'padding-right': padding + 'px'
             });
         });
     };
 
     function screen_resize_phone()
     {
         screen_resize_small_all();
         app_menu(false);
     };
 
     function screen_resize_small()
     {
         screen_resize_small_all();
         app_menu(true);
     };
 
     function screen_resize_normal()
     {
         var show;
 
         if (layout.list.length) {
             show = layout.list.is(env.last_selected) || (!layout.sidebar.is(env.last_selected) && !layout.sidebar.is('.layout-sticky'));
             layout.list[show ? 'removeClass' : 'addClass']('hidden');
         }
         if (layout.sidebar.length) {
             show = !layout.list.length || layout.sidebar.is(env.last_selected) || layout.sidebar.is('.layout-sticky');
             layout.sidebar[show ? 'removeClass' : 'addClass']('hidden');
         }
 
         layout.content.removeClass('hidden');
         app_menu(true);
         screen_resize_small_none();
 
         if (layout.list) {
             $('.header > ul.menu', layout.list).addClass('popupmenu');
         }
     };
 
     function screen_resize_large()
     {
         $.each(layout, function(name, item) { item.removeClass('hidden'); });
 
         screen_resize_small_none();
 
         if (layout.list) {
             $('.header > ul.menu.popupmenu', layout.list).removeClass('popupmenu');
         }
     };
 
     function screen_resize_small_all()
     {
         var show, got_content = false;
 
         if (layout.content.length) {
             show = got_content = layout.content.is(env.last_selected);
             layout.content[show ? 'removeClass' : 'addClass']('hidden');
             $('.header > ul.menu', layout.content).addClass('popupmenu');
         }
 
         if (layout.list.length) {
             show = !got_content && layout.list.is(env.last_selected);
             layout.list[show ? 'removeClass' : 'addClass']('hidden');
             $('.header > ul.menu', layout.list).addClass('popupmenu');
         }
 
         if (layout.sidebar.length) {
             show = !got_content && (layout.sidebar.is(env.last_selected) || !layout.list.length);
             layout.sidebar[show ? 'removeClass' : 'addClass']('hidden');
         }
 
         if (got_content) {
             buttons.back_list.show();
         }
     };
 
     function screen_resize_small_none()
     {
         buttons.back_list.filter(function() { return $(this).parents('#layout-sidebar').length == 0; }).hide();
         $('ul.menu.popupmenu').removeClass('popupmenu');
     };
 
     function show_content(unsticky)
     {
         // show sidebar and hide list
         layout.list.addClass('hidden');
         layout.sidebar.addClass('hidden');
         layout.content.removeClass('hidden');
 
         if (unsticky) {
             layout.sidebar.removeClass('layout-sticky');
         }
 
         screen_resize_headers();
         env.last_selected = layout.content[0];
     };
 
     function show_sidebar(sticky)
     {
         // show sidebar and hide list
         layout.list.addClass('hidden');
         layout.sidebar.removeClass('hidden');
 
         if (sticky) {
             layout.sidebar.addClass('layout-sticky');
         }
 
         if (mode == 'small' || mode == 'phone') {
             layout.content.addClass('hidden');
         }
 
         screen_resize_headers();
         env.last_selected = layout.sidebar[0];
     };
 
     function show_list(scroll)
     {
         if (!layout.list.length && !layout.sidebar.length) {
             history.back();
         }
         else {
             // show list and hide sidebar and content
             layout.sidebar.addClass('hidden').removeClass('layout-sticky');
             layout.list.removeClass('hidden');
 
             if (mode == 'small' || mode == 'phone') {
                 hide_content();
             }
 
             if (scroll) {
                 layout.list.children('.scroller').scrollTop(0);
             }
 
             env.last_selected = layout.list[0];
         }
 
         screen_resize_headers();
     };
 
     function hide_content()
     {
         // show sidebar or list, hide content frame
         env.last_selected = layout.list[0] || layout.sidebar[0];
         screen_resize();
 
         // reset content frame, so we can load it again
         rcmail.show_contentframe(false);
 
         // now we have to unselect selected row on the list
         $('[data-list]', layout.list).each(function() {
             var list = $(this).data('list');
             if (rcmail[list]) {
                 if (rcmail[list].clear_selection) {
                     rcmail[list].clear_selection(); // list widget
                 }
                 else if (rcmail[list].select) {
                     rcmail[list].select(); // treelist widget
                 }
             }
         });
     };
 
     // show menu widget
     function app_menu(show)
     {
         if (show) {
             if (mode == 'phone') {
                 $('<div id="menu-overlay" class="popover-overlay">')
                     .on('click', function() { app_menu(false); })
                     .appendTo('body');
 
                 if (!env.menu_initialized) {
                     env.menu_initialized = true;
                     $('a', layout.menu).on('click', function(e) { if (mode == 'phone') app_menu(); });
                 }
 
                 layout.menu.addClass('popover');
             }
 
             layout.menu.removeClass('hidden');
         }
         else {
             $('#menu-overlay').remove();
             layout.menu.addClass('hidden').removeClass('popover');
         }
     };
 
     /**
      * Triggered when a UI message is displayed
      */
     function message_displayed(p)
     {
         if (p.type == 'loading' && $('.iframe-loader:visible').length) {
             // hide original message object, we don't need two "loaders"
             rcmail.hide_message(p.object);
             return;
         }
 
         alert_style(p.object, p.type, true);
         $(p.object).attr('role', 'alert');
     };
 
     /**
      * Applies some styling and icon to an alert object
      */
     function alert_style(object, type, wrap)
     {
         var tmp, classes = 'ui alert',
             addicon = !$(object).is('.noicon'),
             map = {
                 information: 'alert-info',
                 notice: 'alert-info',
                 confirmation: 'alert-success',
                 warning: 'alert-warning',
                 error: 'alert-danger',
                 loading: 'alert-info loading',
                 uploading: 'alert-info loading',
                 vcardattachment: 'alert-info' // vcard_attachments plugin
             };
 
         // we need the content to be non-text node for best alignment
         if (wrap && addicon && !$(object).is('.aligned-buttons')) {
             $(object).html($('<span>').html($(object).html()));
         }
 
         // Type can be e.g. 'notice chat'
         type = type.split(' ')[0];
 
         if (tmp = map[type]) {
             classes += ' ' + tmp;
             if (addicon) {
                 $('<i>').attr('class', 'icon').prependTo(object);
             }
         }
 
         $(object).addClass(classes);
     };
 
     /**
      * Set UI dialogs size/style depending on screen size
      */
     function dialog_open(dialog)
     {
         var me = $(dialog.uiDialog),
             width = me.width(),
             height = me.height(),
             maxWidth = $(window).width(),
             maxHeight = $(window).height();
 
         if (maxWidth <= 480) {
             me.css({width: '100%', height: '100%'});
         }
         else {
             if (height > maxHeight) {
                 me.css('height', '100%');
             }
             if (width > maxWidth) {
                 me.css('width', '100%');
             }
         }
 
         // Close all popovers
         $(document).click();
 
         // Display loader when the dialog has an iframe
         iframe_loader($('div.popup > iframe', me));
 
         // TODO: style buttons/forms
         bootstrap_style(dialog.uiDialog);
     };
 
     /**
      * Initializes searchbar widget
      */
     function searchbar_init(bar)
     {
         var options_button = $('a.button.options', bar),
             input = $('input:not([type=hidden])', bar),
             placeholder = input.attr('placeholder'),
             form = $('form', bar),
             is_search_pending = function() {
                 if (input.val()) {
                     return true;
                 }
 
                 if (rcmail.task == 'mail' && $('#s_interval').val()) {
                     return true;
                 }
 
                 if (rcmail.gui_objects.search_filter && $(rcmail.gui_objects.search_filter).val() != 'ALL') {
                     return true;
                 }
 
                 if (rcmail.gui_objects.foldersfilter && $(rcmail.gui_objects.foldersfilter).val() != '---') {
                     return true;
                 }
             },
             close_func = function() {
                 if ($(bar).is('.open')) {
                     options_button.click();
                 }
             },
             update_func = function() {
                 $(bar)[is_search_pending() ? 'addClass' : 'removeClass']('active');
             };
 
         options_button.on('click', function(e) {
             var id = $(this).data('target'),
                 options = $('#' + id),
                 open = options.is(':visible');
 
             if (options.length) {
                 if (!open) {
                     if (ref[id]) {
                         ref[id](options.get(0), this, e);
                     }
                     else if (typeof window[id] == 'function') {
                         window[id](options.get(0), this, e);
                     }
                 }
 
                 options.next()[open ? 'show' : 'hide']();
                 options.toggleClass('hidden');
                 $('.floating-action-buttons').toggleClass('hidden');
                 $(bar).toggleClass('open');
 
                 $('button.search', options).off('click.search').on('click.search', function() {
                     options_button.trigger('click');
                     update_func();
                 });
             }
         });
 
         input.on('input change', update_func)
             .on('focus blur', function(e) { input.attr('placeholder', e.type == 'blur' ? placeholder : ''); });
 
         // Search reset action
         $('a.reset', bar).on('click', function(e) {
             // for treelist widget's search setting val and keyup.treelist is needed
             // in normal search form reset-search command will do the trick
             input.val('').change().trigger('keyup.treelist', {keyCode: 27});
             if ($(bar).is('.open')) {
                 options_button.click();
             }
 
             // Reset filter
             if (rcmail.gui_objects.search_filter) {
                 $(rcmail.gui_objects.search_filter).val('ALL');
             }
 
             if (rcmail.gui_objects.foldersfilter) {
                 $(rcmail.gui_objects.foldersfilter).val('---').change();
                 rcmail.folder_filter('---');
             }
 
             update_func();
         });
 
         rcmail.addEventListener('init', update_func)
             .addEventListener('responsebeforesearch', update_func)
             // close options form on list/search request
             .addEventListener('beforelist', close_func)
             .addEventListener('beforesearch', close_func);
     };
 
     /**
      * Converts toolbar menu into popup-menu for small screens
      */
     function toolbar_init()
     {
         if (env.got_smart_toolbar) {
             return;
         }
 
         env.got_smart_toolbar = true;
 
         var list_mark, items = [],
             list_items = [],
             meta = layout_metadata(),
             button_func = function(button, items, cloned) {
                 var item = $('<li role="menuitem">'),
                     button = cloned ? create_cloned_button($(button), true, 'hidden-big hidden-large') : $(button).detach();
 
                 // Remove empty text nodes that break alignment of text of the menu item
                 button.contents().filter(function() { if (this.nodeType == 3 && !$.trim(this.nodeValue).length) $(this).remove(); });
 
                 if (button.is('.spacer')) {
                     item.addClass('spacer');
                 }
                 else {
                     item.append(button);
                 }
 
                 items.push(item);
             };
 
         // convert content toolbar to a popup list
         if (layout.content) {
             $('.header > .menu', layout.content).each(function() {
                 var toolbar = $(this);
 
                 toolbar.children().each(function() { button_func(this, items); });
                 toolbar.remove();
             });
         }
 
         // convert list toolbar to a popup list
         if (layout.list) {
             $('.header > .menu', layout.list).each(function() {
                 var toolbar = $(this);
 
                 list_mark = toolbar.next();
 
                 toolbar.children().each(function() {
                     if (meta.mode != 'large') {
                         // TODO: Would be better to set this automatically on submenu display
                         //       i.e. in show/shown event (see popup_init()), if possible
                         $(this).data('popup-pos', 'right');
                     }
 
                     // add items to the content menu too
                     button_func(this, items, true);
                     button_func(this, list_items);
                 });
 
                 toolbar.remove();
             });
         }
 
         // special elements to clone and add to the toolbar (mobile only)
         $('ul[data-menu="toolbar-small"] > li > a').each(function() {
             var button = $(this).clone();
 
             button.attr('id', this.id + '_clone');
 
             // TODO: rcmail.register_button()
 
             items.push($('<li role="menuitem">').addClass('hidden-big').append(button));
         });
 
         // append the new list toolbar and menu button
         if (list_items.length) {
             var container = layout.list.children('.header'),
                 menu_attrs = {'class': 'menu toolbar popupmenu listing iconized', id: 'toolbar-list-menu'},
                 menu_button = $('<a class="button icon toolbar-list-button" href="#list-menu">')
                     .attr({'data-popup': 'toolbar-list-menu'}),
                 // TODO: copy original toolbar attributes (class, role, aria-*)
                 toolbar = $('<ul>').attr(menu_attrs).data('popup-parent', container).append(list_items);
 
             if (list_mark.length) {
                 toolbar.insertBefore(list_mark);
             }
             else {
                 container.append(toolbar);
             }
             container.append(menu_button);
         }
 
         // append the new toolbar and menu button
         if (items.length) {
             var container = layout.content.children('.header'),
                 menu_attrs = {'class': 'menu toolbar popupmenu listing iconized', id: 'toolbar-menu'},
                 menu_button = $('<a class="button icon toolbar-menu-button" href="#menu">')
                     .attr({'data-popup': 'toolbar-menu'});
 
             container
                 // TODO: copy original toolbar attributes (class, role, aria-*)
                 .append($('<ul>').attr(menu_attrs).data('popup-parent', container).append(items))
                 .append(menu_button);
 
             if (layout.list.length) {
                 // bind toolbar menu with the menu button in the list header
                 $('a.toolbar-menu-button', layout.list).click(function(e) {
                     e.stopPropagation();
                     menu_button.click();
                 });
             }
         }
     };
 
     /**
      * Initialize a popup for specified button element
      */
     function popup_init(item, win)
     {
         // On mobile we display the menu from the frame in the parent window
         if (is_framed && is_mobile()) {
             return parent.UI.popup_init(item, win || window);
         }
 
         if (!win) win = window;
         var level,
             popup_id = $(item).data('popup'),
             popup = $(win.$('#' + popup_id).get(0)), // a "hack" to support elements in frames
             popup_orig = popup,
             title = $(item).attr('title'),
             content_element = function() {
                 // On mobile we display a menu from the frame in the parent window
                 // To make menu actions working we have to clone the menu
                 // and pass click events to it...
                 if (win != window) {
                     popup = popup_orig.clone(true, true);
                     popup.attr('id', popup_id + '-clone')
                         .appendTo(document.body)
                         .find('li > a').attr('onclick', '').off('click').on('click', function(e) {
                             if (!$(this).is('.disabled')) {
                                 $(item).popover('hide');
                                 win.$('#' + $(this).attr('id')).click();
                             }
 
                             return false;
                         });
                 }
 
                 return popup.get(0);
             };
 
         $(item).attr({
                 'aria-haspopup': 'true',
                 'aria-expanded': 'false',
                 'aria-owns': popup_id,
             })
             .popover({
                 content: content_element,
                 trigger: $(item).data('popup-trigger') || 'click',
                 placement: $(item).data('popup-pos') || 'bottom',
                 animation: true,
                 boundary: 'window', // fix for https://github.com/twbs/bootstrap/issues/25428
                 html: true
             })
             .on('show.bs.popover', function(event) {
                 var init_func = popup.data('popup-init');
 
                 if (popup_id && menus[popup_id]) {
                     menus[popup_id].transitioning = true;
                 }
 
                 if (init_func && ref[init_func]) {
                     ref[init_func](popup.get(0), item, event);
                 }
                 else if (init_func && win[init_func]) {
                     win[init_func](popup.get(0), item, event);
                 }
 
                 level = $('div.popover:visible').length + 1;
 
                 popup.removeClass('hidden').attr('aria-hidden', false)
                     // Stop propagation on menu items that have popups
                     // to make a click on them not hide their parent menu(s)
                     .find('[aria-haspopup="true"]')
                         .data('level', level + 1)
                         .off('click.popup')
                         .on('click.popup', function(e) { e.stopPropagation(); });
 
                 if (!is_mobile()) {
                     // Set popup height so it is less than the window height
                     popup.css('max-height', Math.min(36 * 15 - 1, $(window).height() - 30));
                 }
             })
             .on('shown.bs.popover', function(event) {
                 var mobile = is_mobile(),
                     popover = $('#' + $(item).attr('aria-describedby'));
 
                 level = $(item).data('level') || 1;
 
                 // Set popup Back/Close title
                 if (mobile) {
                     var label = level > 1 ? 'back' : 'close',
                         title = rcmail.gettext(label),
                         class_name = 'button icon ' + (label == 'back' ? 'back' : 'cancel');
 
                     $('.popover-header', popover).empty()
                         .append($('<a>').attr('class', class_name).text(title)
                             .on('click', function(e) {
                                 $(item).popover('hide');
                                 if (level > 1) {
                                     e.stopPropagation();
                                 }
                             })
                             .on('mousedown', function(e) {
                                 // stop propagation to i.e. do not close jQuery-UI dialogs below
                                 e.stopPropagation();
                             })
                         );
                 }
 
                 // Hide other menus on the same level
                 $.each(menus, function(id, prop) {
                     if ($(prop.target).data('level') == level && id != popup_id) {
                         menu_hide(id);
                     }
                 });
 
                 // On keyboard event focus the first (active) entry and enable keyboard navigation
                 if ($(item).data('event') == 'key') {
                     popover.off('keydown.popup').on('keydown.popup', 'a.active', function(e) {
                         var entry, node, mode = 'next';
 
                         switch (e.which) {
                             case 27: // ESC
                             case 9:  // TAB
                                 $(item).popover('toggle').focus();
                                 return false;
 
                             case 38: // ARROW-UP
                             case 63232:
                                 mode = 'previous';
                             case 40: // ARROW-DOWN
                             case 63233:
                                 entry = e.target.parentNode;
                                 while (entry = entry[mode + 'Sibling']) {
                                     if (node = $(entry).children('.active')[0]) {
                                         node.focus();
                                         break;
                                     }
                                 }
                                 return false; // prevents from scrolling the whole page
                         }
                     });
 
                     popover.find('a.active').first().focus();
                 }
 
                 if (popup_id && menus[popup_id]) {
                     menus[popup_id].transitioning = false;
                 }
 
                 // add overlay element for phone layout
                 if (mobile && !$('.popover-overlay').length) {
                     $('<div>').attr('class', 'popover-overlay')
                         .appendTo('body')
                         .click(function() { $(this).remove(); });
                 }
 
                 $('.popover-body', popover).addClass('webkit-scroller');
             })
             .on('hide.bs.popover', function() {
                 if (level == 1) {
                     $('.popover-overlay').remove();
                 }
 
                 if (popup_id && menus[popup_id] && popup.is(':visible')) {
                     menus[popup_id].transitioning = true;
                 }
             })
             .on('hidden.bs.popover', function() {
                 if (/-clone$/.test(popup.attr('id'))) {
                     popup.remove();
                 }
                 else {
                     popup.attr('aria-hidden', true)
                         // Some menus aren't being hidden, force that
                         .addClass('hidden')
                         // Bootstrap will detach the popup element from
                         // the DOM (https://github.com/twbs/bootstrap/issues/20219)
                         // making our menus to not update buttons state.
                         // Work around this by attaching it back to the DOM tree.
                         popup.appendTo(popup.data('popup-parent') || document.body);
                 }
 
                 // close orphaned popovers, for some reason there are sometimes such dummy elements left
                 $('.popover-body:empty').each(function() { $(this).parent().remove(); });
 
                 if (popup_id && menus[popup_id]) {
                     delete menus[popup_id];
                 }
             })
             // Because Bootstrap does not provide originalEvent in show/shown events
             // we have to handle that by our own using click and keydown handlers
             .on('click', function() {
                 $(this).data('event', 'mouse');
             })
             .on('keydown', function(e) {
                 if (e.originalEvent) {
                     switch (e.originalEvent.which) {
                     case 13:
                     case 32:
                         // Open the popup on ENTER or SPACE
                         e.preventDefault();
                         $(this).data('event', 'key').popover('toggle');
                         break;
                     case 27:
                         // Close the popup on ESC key
                         $(this).popover('hide');
                         break;
                     }
                 }
             });
 
         // re-add title attribute removed by bootstrap popover
         if (title) {
             $(item).attr('title', title);
         }
 
         popup.attr('aria-hidden', 'true').data('button', item);
 
         // stop propagation to e.g. do not hide the popup when
         // clicking inside on form elements
         if (popup.data('editable')) {
             popup.on('click mousedown', function(e) { e.stopPropagation(); });
         }
     };
 
     /**
      * Closes all popups (for use as event handler)
      */
     function popups_close(e)
     {
         // Ignore some of propagated click events (see pretty_select())
         if (popups_close_lock && popups_close_lock > (new Date().getTime() - 250)) {
             return;
         }
 
         $('.popover.show').each(function() {
             var popup = $('.popover-body', this),
                 button = popup.children().first().data('button');
 
             if (button && e.target != button && !$(button).find(e.target).length && typeof button !== 'string') {
                 $(button).popover('hide');
             }
 
             if (!button) {
                 $(this).remove();
             }
         });
     };
 
     /**
      * Handler for menu-open and menu-close events
      */
     function menu_toggle(p)
     {
         if (!p || !p.name || (p.props && p.props.skinable === false)) {
             return;
         }
 
         if (is_framed && is_mobile()) {
             if (!p.win) {
                 p.win = window;
             }
             return parent.UI.menu_toggle(p);
         }
 
         if (p.name == 'messagelistmenu') {
             menu_messagelist(p);
         }
         else if (p.event == 'menu-open') {
             var fn, pos,
                 content = $('ul', p.obj).first(),
                 target = p.props && p.props.link ? p.props.link : p.originalEvent.target;
 
             if ($(target).is('span')) {
                 target = $(target).parents('a,li')[0];
             }
 
             if (p.name.match(/^drag/)) {
                 // create a fake element to position drag menu on the cursor position
                 pos = rcube_event.get_mouse_pos(p.originalEvent);
                 target = $('<a>').css({
                         position: 'absolute',
                         left: pos.x,
                         top: pos.y,
                         height: '1px',
                         width: '1px',
                         visibility: 'hidden'
                     })
                     .appendTo(document.body).get(0);
             }
 
             pos = $(target).data('popup-pos') || 'right';
 
             if (p.name == 'folder-selector') {
                 content.addClass('listing folderlist');
             }
             else if (p.name == 'addressbook-selector' || p.name == 'contactgroup-selector') {
                 content.addClass('listing contactlist');
             }
             else if (content.hasClass('menu')) {
                 content.addClass('listing');
             }
 
             if (p.name == 'pagejump-selector') {
                 content.addClass('simplelist');
                 p.obj.addClass('simplelist');
                 pos = 'top';
             }
 
             // There can be only one menu of the same type
             if (menus[p.name]) {
                 menu_hide(p.name, p.originalEvent);
             }
 
             // Popover menus use animation. Sometimes the same menu is
             // immediately hidden and shown (e.g. folder-selector for copy and move action)
             // we have to wait until the previous menu hides before we can open it again
             fn = function() {
                 if (menus[p.name] && menus[p.name].transitioning) {
                     return setTimeout(fn, 50);
                 }
 
                 if (!$(target).data('popup')) {
                     $(target).data({
                         event: rcube_event.is_keyboard(p.originalEvent) ? 'key' : 'mouse',
                         popup: p.name,
                         'popup-pos': pos,
                         'popup-trigger': 'manual'
                     });
                     popup_init(target, p.win);
                 }
 
                 menus[p.name] = {target: target};
                 $(target).popover('show');
             }
 
             fn();
         }
         else {
             menu_hide(p.name, p.originalEvent);
         }
 
         // Stop propagation so multi-level menus work properly
         p.originalEvent.stopPropagation();
     };
 
     /**
      * Close menu by name
      */
     function menu_hide(name, event)
     {
         var target = menu_target(name);
 
         if (name.match(/^drag/)) {
             $(target).popover('dispose').remove();
         }
         else {
             $(target).popover('hide');
 
             // In phone mode close all menus when forwardmenu is requested to be closed
             // FIXME: This is a hack, we need some generic solution.
             if (name == 'forwardmenu') {
                 popups_close(event);
             }
         }
     };
 
     /**
      * Destroys menu by name
      *
      * This is required when you replace the menu content element
      */
     function menu_destroy(name)
     {
         $('[aria-owns=' + name + ']').popover('dispose').data('popup', null);
     };
 
     /**
      * Get menu target by name
      */
     function menu_target(name)
     {
         var target;
 
         if (menus[name]) {
             target = menus[name].target;
         }
         else {
             target = $('#' + name).data('button');
 
             if (!target) {
                 // catch cases as 'forwardmenu' where menu suffix has no hyphen
                 // or try with -menu suffix if it's not in the menu name already
                 if (name.match(/(?!-)menu$/)) {
                     name = name.substr(0, name.length - 4);
                 }
 
                 target = $('#' + name + '-menu').data('button');
             }
         }
 
         return target;
     };
 
     /**
      * Messages list options dialog
      */
     function menu_messagelist(p)
     {
         var content = $('#listoptions-menu'),
             width = content.width() + 25,
             dialog = content.clone(true);
 
         // set form values
         $('select[name="sort_col"]', dialog).val(rcmail.env.sort_col || '');
         $('select[name="sort_ord"]', dialog).val(rcmail.env.sort_order || 'ASC');
         $('select[name="mode"]', dialog).val(rcmail.env.threading ? 'threads' : 'list');
 
         // Fix id/for attributes
         $('select', dialog).each(function() { this.id = this.id + '-clone'; });
         $('label', dialog).each(function() { $(this).attr('for', $(this).attr('for') + '-clone'); });
 
         var save_func = function(e) {
             if (rcube_event.is_keyboard(e.originalEvent)) {
                 $('#listmenulink').focus();
             }
 
             var col = $('select[name="sort_col"]', dialog).val(),
                 ord = $('select[name="sort_ord"]', dialog).val(),
                 mode = $('select[name="mode"]', dialog).val();
 
             rcmail.set_list_options([], col, ord, mode == 'threads' ? 1 : 0);
             return true;
         };
 
         dialog = rcmail.simple_dialog(dialog, rcmail.gettext('listoptionstitle'), save_func, {
             closeOnEscape: true,
             minWidth: 400
         });
     };
 
     /**
      * About dialog
      */
     function about_dialog(elem)
     {
         var support_url, support_func, support_button = false,
             dialog = $('<iframe>').attr({id: 'aboutframe', src: rcmail.url('settings/about', {_framed: 1})}),
             support_link = $('#supportlink');
 
         if (support_link.length && (support_url = support_link.attr('href'))) {
             support_button = support_link.text();
             support_func = function(e) { support_url.indexOf('mailto:') < 0 ? window.open(support_url) : location.href = support_url; };
         }
 
         rcmail.simple_dialog(dialog, $(elem).text(), support_func, {
             button: support_button,
             button_class: 'help',
             cancel_button: 'close',
             height: 400
         });
     };
 
     /**
      * Show/hide more mail headers (envelope)
      */
     function headers_show(button)
     {
         var headers = $(button).parent().prev();
         headers[headers.is('.hidden') ? 'removeClass' : 'addClass']('hidden');
     };
 
     /**
      * Mail headers dialog
      */
     function headers_dialog()
     {
         var props = {_uid: rcmail.env.uid, _mbox: rcmail.env.mailbox, _framed: 1},
             dialog = $('<iframe>').attr({id: 'headersframe', src: rcmail.url('headers', props)});
 
         rcmail.simple_dialog(dialog, rcmail.gettext('arialabelmessageheaders'), null, {
             cancel_button: 'close',
             height: 400
         });
     };
 
     /**
      * Mail import dialog
      */
     function import_dialog()
     {
         if (!rcmail.commands['import-messages']) {
             return;
         }
 
         var content = $('#uploadform'),
             dialog = content.clone(true);
 
         var save_func = function(e) {
             return rcmail.command('import-messages', $(dialog.find('form')[0]));
         };
 
         rcmail.simple_dialog(dialog, rcmail.gettext('importmessages'), save_func, {
             button: 'import',
             closeOnEscape: true,
             minWidth: 400
         });
     };
 
     /**
      * Search options menu popup
      */
     function searchmenu(obj)
     {
         var n, all,
             list = $('input[name="s_mods[]"]', obj),
             scope_select = $('#s_scope', obj),
             mbox = rcmail.env.mailbox,
             mods = rcmail.env.search_mods,
             scope = rcmail.env.search_scope || 'base';
 
         if (!$(obj).data('initialized')) {
             $(obj).data('initialized', true);
             if (list.length) {
                 list.on('change', function() { set_searchmod(obj, this); });
                 rcmail.addEventListener('beforesearch', function() { set_searchmod(obj); });
             }
         }
 
         if (rcmail.env.search_mods) {
             if (rcmail.env.task == 'mail') {
                 if (scope == 'all') {
                     mbox = '*';
                 }
 
                 mods = mods[mbox] ? mods[mbox] : mods['*'];
                 all = 'text';
                 scope_select.val(scope);
             }
             else {
                 all = '*';
             }
 
             if (mods[all]) {
                 list.map(function() {
                     this.checked = true;
                     this.disabled = this.value != all;
                 });
             }
             else {
                 list.prop('disabled', false).prop('checked', false);
                 for (n in mods) {
                     list.filter('[value="' + n + '"]').prop('checked', true);
                 }
             }
         }
     };
 
     function set_searchmod(menu, elem)
     {
         var all, m, task = rcmail.env.task,
             mods = rcmail.env.search_mods,
             mbox = rcmail.env.mailbox,
             scope = $('#s_scope', menu).val(),
             interval = $('#s_interval', menu).val();
 
         if (scope == 'all') {
             mbox = '*';
         }
 
         if (!mods) {
             mods = {};
         }
 
         if (task == 'mail') {
             if (!mods[mbox]) {
                 mods[mbox] = rcube_clone_object(mods['*']);
             }
             m = mods[mbox];
             all = 'text';
 
             rcmail.env.search_scope = scope;
             rcmail.env.search_interval = interval;
         }
         else { //addressbook
             m = mods;
             all = '*';
         }
 
         if (!elem) {
             return;
         }
 
         if (!elem.checked) {
             delete(m[elem.value]);
         }
         else {
             m[elem.value] = 1;
         }
 
         // mark all fields
         if (elem.value == all) {
             $('input[name="s_mods[]"]', menu).map(function() {
                 if (this == elem) {
                     return;
                 }
 
                 this.checked = true;
 
                 if (elem.checked) {
                     this.disabled = true;
                     delete m[this.value];
                 }
                 else {
                     this.disabled = false;
                     m[this.value] = 1;
                 }
             });
         }
 
         rcmail.set_searchmods(m);
     };
 
     /**
      * Spellcheck languages list
      */
     function spellmenu(obj)
     {
         var i, link, li, list = [],
             lang = rcmail.spellcheck_lang(),
             ul = $('ul', obj);
 
         if (!ul.length) {
             ul = $('<ul class="selectable listing iconized" role="menu">');
 
             for (i in rcmail.env.spell_langs) {
                 li = $('<li role="menuitem">');
                 link = $('<a href="#'+ i +'" tabindex="0"></a>')
                     .text(rcmail.env.spell_langs[i])
                     .addClass('active').data('lang', i)
                     .on('click keypress', function(e) {
                         if (e.type != 'keypress' || rcube_event.get_keycode(e) == 13) {
                             rcmail.spellcheck_lang_set($(this).data('lang'));
                             rcmail.hide_menu('spell-menu', e);
                             return false;
                         }
                     });
 
                 link.appendTo(li);
                 list.push(li);
             }
 
             ul.append(list).appendTo(obj);
         }
 
         // select current language
         $('li', ul).each(function() {
             var el = $('a', this);
             if (el.data('lang') == lang) {
                 el.addClass('selected').attr('aria-selected', 'true');
             }
             else if (el.hasClass('selected')) {
                 el.removeClass('selected').removeAttr('aria-selected');
             }
         });
     };
 
     /**
      * Add/remove item to/from compose options status bar
      */
     function compose_status(id, status)
     {
         var bar = $('#composestatusbar'), ico = bar.find('a.button.icon.' + id);
 
         if (!status) {
             ico.remove();
         }
         else if (!ico.length) {
             $('<a>').attr('class', 'button icon ' + id)
                 .on('click', function() { show_sidebar(); })
                 .appendTo(bar);
         }
     };
 
     /**
      * Attachment menu
      */
     function attachmentmenu(obj, button, event)
     {
         var id = $(button).parent().attr('id').replace(/^attach/, '');
 
         $.each(['open', 'download', 'rename'], function() {
             var action = this;
             $('#attachmenu' + action, obj).off('click').attr('onclick', '').click(function(e) {
                 return rcmail.command(action + '-attachment', id, this, e.originalEvent);
             });
         });
 
         // call menu-open so core can set state of menu commands
         return rcmail.command('menu-open', {menu: 'attachmentmenu', id: id}, obj, event);
     };
 
     /**
      * Appends drop-icon to attachments list item (to invoke attachment menu)
      */
     function attachmentmenu_append(item)
     {
         item = $(item);
 
         if (!item.is('.no-menu') && !item.children('.drop').length) {
             var label = rcmail.gettext('options');
             var button = $('<a>')
                 .attr({
                     href: '#',
                     tabindex: 0,
                     title: label,
                     'class': 'button icon dropdown skip-content'
                 })
                 .on('click', function(e) {
                     return attachmentmenu($('#attachmentmenu'), button, e);
                 })
                 .append($('<span>').attr('class', 'inner').text(label))
                 .appendTo(item);
         }
     };
 
     /**
      * Mailto menu
      */
     function mailtomenu(obj, button, event, onclick)
     {
         var mailto = $(button).attr('href').replace(/^mailto:/, '');
 
         if (mailto.indexOf('@') < 0) {
             return true; // let the browser handle this
         }
 
         // disable all menu actions
         obj.find('a').off('click').removeClass('active');
 
         if (rcmail.env.has_writeable_addressbook) {
             $('.addressbook', obj).addClass('active')
                 .on('click', function(e) {
                     var i, contact = mailto,
                         txt = $(button).filter('.rcmContactAddress').text();
 
                     contact = contact.split('?')[0].split(',')[0].replace(/(^<|>$)/g, '');
 
                     if (txt) {
                         txt = txt.replace('<' + contact + '>', '');
                         contact = '"' + $.trim(txt) + '" <' + contact + '>';
                     }
 
                     return rcmail.command('add-contact', contact, this, e.originalEvent);
                 });
         }
 
         $('.compose', obj).addClass('active').on('click', function(e) {
             // Execute the original onclick handler to support mailto URL arguments (#6751)
             if (onclick) {
                 button.onclick = onclick;
                 // use the second argument to tell our handler to not display the menu again
                 $(button).trigger('click', [true]);
                 button.onclick = null;
             }
             else {
                 rcmail.command('compose', mailto, this, e.originalEvent);
             }
 
             return false; // for Chrome
         });
 
         return rcmail.command('menu-open', {menu: 'mailto-menu', link: button}, button, event.originalEvent);
     };
 
     /**
      * Appends popup menu to mailto links
      */
     function mailtomenu_append(item)
     {
         // Remember the original onclick handler and display the menu instead
         var onclick = item.onclick;
         item.onclick = null;
         $(item).on('click', function(e, menu) {
             return menu || mailtomenu($('#mailto-menu'), item, e, onclick);
         });
     };
 
     /**
      * Headers menu in mail compose
      */
     function headersmenu(obj, button, event)
     {
         $('li > a', obj).each(function() {
             var link = $(this), target = '#compose_' + link.data('target');
 
             link[$(target).is(':visible') ? 'removeClass' : 'addClass']('active')
                 .off().on('click', function() {
                     $(target).removeClass('hidden').find('.recipient-input input').focus();
                     link.removeClass('active');
                     rcmail.set_menu_buttons();
                 });
         });
     };
 
     /**
      * Reset/hide compose message recipient input
      */
     function header_reset(id)
     {
         $('#' + id).val('').change()
             // jump to the next input
             .closest('.form-group').nextAll(':not(.hidden)').first().find('input').focus();
 
         $('a[data-target=' + id.replace(/^_/, '') + ']').addClass('active');
         rcmail.set_menu_buttons();
     };
 
     /**
      * Recipient (contact) selector
      */
     function recipient_selector(field, opts)
     {
         if (!opts) opts = {};
 
         var title = rcmail.gettext(opts.title || 'insertcontact'),
             dialog = $('#recipient-dialog'),
             parent = dialog.parent(),
             close_func = function() {
                 if (dialog.is(':visible')) {
                     rcmail.env.recipient_dialog.dialog('close');
                 }
             },
             insert_func = function() {
                 if (opts.action) {
                     opts.action();
                     close_func();
                     return;
                 }
 
                 rcmail.command('add-recipient');
             };
 
         if (!rcmail.env.recipient_selector_initialized) {
             rcmail.addEventListener('add-recipient', close_func);
             rcmail.env.recipient_selector_initialized = true;
         }
 
         if (field) {
             rcmail.env.focused_field = '#_' + field;
         }
 
         rcmail.contact_list.clear_selection();
         rcmail.contact_list.multiselect = 'multiselect' in opts ? opts.multiselect : true;
 
         rcmail.env.recipient_dialog = rcmail.simple_dialog(dialog, title, insert_func, {
             button: rcmail.gettext(opts.button || 'insert'),
             button_class: opts.button_class || 'insert recipient',
             height: 600,
             classes: {
               'ui-dialog-content': 'p-0' // remove padding on dialog content
             },
             open: function() {
                 // Don't want focus in the search field, we focus first contacts source record instead
                 $('#directorylist a').first().focus();
             },
             close: function() {
                 dialog.appendTo(parent);
                 $(this).remove();
                 $(opts.focus || rcmail.env.focused_field).focus();
             }
         });
     };
 
     /**
      * Create/Update quota widget (setquota event handler)
      */
     function update_quota(p)
     {
         var element = $('#quotadisplay'),
             bar = element.find('.bar'),
             value = p.total ? p.percent : 0;
 
         if (!bar.length) {
             bar = $('<span class="bar"><span class="value"></span></span>').appendTo(element);
         }
 
         if (value > 0 && value < 10) {
             value = 10; // smaller values look not so nice
         }
 
         bar.find('.value').css('width', value + '%')[value >= 90 ? 'addClass' : 'removeClass']('warning');
         // set title and reset tooltip's data (needed in case of empty title)
         element.attr({'data-original-title': '', title: element.find('.count').attr('title')});
 
         if (p.table) {
             element.css('cursor', 'pointer').data('popup-pos', 'top')
                 .off('click').on('click', function(e) {
                     rcmail.simple_dialog(p.table, 'quota', null, {cancel_button: 'close'});
                 });
         }
         else {
             element.tooltip('dispose').tooltip({trigger: is_mobile() ? 'click' : 'hover'});
         }
     };
 
     /**
      * Replaces recipient input with content-editable element that uses "recipient boxes"
      */
     function recipient_input(obj)
     {
-        var list, input, ac_props, update_lock,
+        var list, input, ac_props,
             input_len_update = function() {
                 input.css('width', Math.max(40, input.val().length * 15 + 25));
             },
             apply_func = function() {
                 // update the original input
                 $(obj).val(list.text() + input.val());
             },
-            focus_func = function() {
-                list.addClass('focus');
-            },
             insert_recipient = function(name, email, replace) {
                 var recipient = $('<li class="recipient">'),
                     name_element = $('<span class="name">').html(recipient_input_name(name || email))
                         .on('dblclick', function(e) { recipient_input_edit_dialog(e, insert_recipient); }),
                     email_element = $('<span class="email">'),
                     // TODO: should the 'close' link have tabindex?
                     link = $('<a>').attr({'class': 'button icon remove'})
                         .click(function() {
                             recipient.remove();
                             apply_func();
                             input.focus();
                             return false;
                         });
 
                 if (name) {
                     email = ' <' + email + '>';
                 }
 
                 email_element.text((name ? email : '') + ',');
                 recipient.attr('title', name ? (name + email) : null)
                     .append([name_element, email_element, link])
 
                 if (replace)
                     replace.replaceWith(recipient);
                 else
                     recipient.insertBefore(input.parent());
             },
             update_func = function(text) {
                 var result;
 
-                if (update_lock) {
-                    return;
-                }
-
-                update_lock = true;
-
                 text = (text || input.val()).replace(/[,;\s]+$/, '');
                 result = recipient_input_parser(text);
 
                 $.each(result.recipients, function() {
                     insert_recipient(this.name, this.email);
                 });
 
                 // setTimeout() here is needed for proper input reset on paste event
                 // This is also the reason why we need parse_lock
                 setTimeout(function() {
                         input.val(result.text);
                         apply_func();
                         input_len_update();
-                        update_lock = false;
                     }, 1);
 
                 return result.recipients.length > 0;
             },
             parse_func = function(e) {
-                if (e.type == 'blur') {
-                    list.removeClass('focus');
-                }
-
-                // FIXME: This is a workaround for a bug where on a touch device
-                // selecting a recipient from autocomplete list do not work because
-                // of some events race condition (?)
-                if (this.value.indexOf('@') < 0) {
-                    return;
-                }
-
                 // On paste the text is not yet in the input we have to use clipboard.
                 // Also because on paste new-line characters are replaced by spaces (#6460)
-                update_func(e.type == 'paste' ? (e.originalEvent.clipboardData || window.clipboardData).getData('text') : null);
+                update_func(e.type == 'paste' ? (e.originalEvent.clipboardData || window.clipboardData).getData('text') : this.value);
             },
             keydown_func = function(e) {
                 // On Backspace remove the last recipient
                 if (e.keyCode == 8 && !input.val().length) {
-                    list.children('li.recipient').first().remove();
+                    list.children('li.recipient').last().remove();
                     apply_func();
                     return false;
                 }
                 // Here we add a recipient box when the separator (,;) or Enter was pressed
                 else if (e.key == ',' || e.key == ';' || (e.key == 'Enter' && !rcmail.ksearch_visible())) {
                     if (update_func()) {
                         return false;
                     }
                 }
 
                 input_len_update();
             };
 
         // Create the input element and "editable" area
         input = $('<input>').attr({type: 'text', tabindex: $(obj).attr('tabindex')})
-            .on('paste change blur', parse_func)
+            .on('paste change', parse_func)
             .on('input', input_len_update) // only to fix input length after paste
             .on('keydown', keydown_func)
-            .on('focus mousedown', focus_func);
+            .on('blur', function() { list.removeClass('focus'); })
+            .on('focus mousedown', function() { list.addClass('focus'); });
 
         list = $('<ul>').addClass('form-control recipient-input')
             .append($('<li>').append(input))
             .on('click', function() { input.focus(); });
 
         // Hide the original input/textarea
         // Note: we do not remove the original element, and we do not use
         // display: none, because we want to handle onfocus event
         // Note: tabindex:-1 to make Shift+TAB working on these widgets
         $(obj).css({position: 'absolute', opacity: 0, left: '-5000px', width: '10px'})
             .attr('tabindex', -1)
             .after(list)
             // some core code sometimes focuses or changes the original node
             // in such cases we wan't to parse it's value and apply changes
             // to the widget element
             .on('focus', function(e) { input.focus(); })
             .on('change', function(e) {
                 $('li.recipient', list).remove();
                 input.val(this.value).change();
             })
             // copy and parse the value already set
             .change();
 
         // this one line is here to fix border of Bootstrap's input-group,
         // input-group should not contain any hidden elements
         $(obj).detach().insertBefore(list.parent());
 
         if (rcmail.env.autocomplete_threads > 0) {
             ac_props = {
                 threads: rcmail.env.autocomplete_threads,
                 sources: rcmail.env.autocomplete_sources
             };
         }
 
         // Init autocompletion
         rcmail.init_address_input_events(input, ac_props);
     };
 
     /**
      * Parses recipient address input and extracts recipients from it
      */
     function recipient_input_parser(text)
     {
         // support new-line as a separator, for paste action (#6460)
         text = $.trim(text.replace(/[,;\s]*[\r\n]+/g, ','));
 
         var recipients = [],
             address_rx_part = '(\\S+|("[^"]+"))@\\S+',
             recipient_rx1 = new RegExp('(<' + address_rx_part + '>)'),
             recipient_rx2 = new RegExp('(' + address_rx_part + ')'),
             global_rx = /(?=\S)[^",;]*(?:"[^\\"]*(?:\\[,;\S][^\\"]*)*"[^",;]*)*/g,
             matches = text.match(global_rx);
 
         $.each(matches || [], function() {
             if (this.length && (recipient_rx1.test(this) || recipient_rx2.test(this))) {
                 var email = RegExp.$1,
                     name = $.trim(this.replace(email, ''));
 
                 recipients.push({
                     name: name,
                     email: email.replace(/(^<|>$)/g, ''),
                     text: this
                 });
 
                 text = text.replace(this, '');
             }
         });
 
         text = text.replace(/[,;]+/, ',').replace(/^[,;\s]+/, '');
 
         return {recipients: recipients, text: text};
     };
 
     /**
      * Generates HTML for a text adding <span class="hidden">
      * for quote/backslash characters, so they are hidden from the user,
      * but still in place to make copying simpler
      *
      * Note: Selection works in Chrome, but not in Firefox?
      */
     function recipient_input_name(text)
     {
         var i, char, result = '', len = text.length;
 
         if (text.charAt(0) != '"' && text.indexOf('"') > -1) {
             text = '"' + text.replace('\\', '\\\\').replace('"', '\\"') + '"';
         }
 
         for (i=0; i<len; i++) {
             char = text.charAt(i);
             switch (char) {
                 case '"':
                     if (i > 0 && i < len - 1) {
                         result += '"';
                         break;
                     }
 
                     result += '<span class="quotes">' + char + '</span>';
                     break;
 
                 case '\\':
                     result += '<span class="quotes">' + char + '</span>';
 
                     if (text.charAt(i+1) == '\\') {
                         result += char;
                         i++;
                     }
                     break;
 
                 case '<':
                     result += '&lt;';
                     break;
 
                 case '>':
                     result += '&gt;';
                     break;
 
                 default:
                     result += char;
             }
         }
 
         return result;
     };
 
     /**
      * Displays dialog to edit a recipient entry
      */
     function recipient_input_edit_dialog(e, callback)
     {
         var element = $(e.target).parents('.recipient'),
             recipient = element.text().replace(/,+$/, ''),
             input = $('<input>').attr({type: 'text', size: 50}).val(recipient),
             content = $('<label>').text(rcmail.gettext('recipient')).append(input);
 
         rcmail.simple_dialog(content, 'recipientedit', function() {
                 var result, value = input.val();
                 if (value) {
                     if (value != recipient) {
                         result = recipient_input_parser(value);
 
                         if (result.recipients.length != 1) {
                             return false;
                         }
 
                         callback(result.recipients[0].name, result.recipients[0].email, element);
                     }
 
                     return true;
                 }
             });
     };
 
     /**
      * Adds logic to the contact photo widget
      */
     function image_upload_input(obj)
     {
         var reset_button = $('<a>')
                 .attr({'class': 'icon button delete', href: '#', })
                 .click(function(e) { rcmail.command('delete-photo', '', this, e); return false; }),
             img = $(obj).find('img')[0],
             img_onload = function() {
                 var state = (img.currentSrc || img.src).indexOf(rcmail.env.photo_placeholder) != -1;
                 $(obj)[state ? 'removeClass' : 'addClass']('changed');
             };
 
         $(obj).append(reset_button).click(function() { rcmail.upload_input('upload-form'); });
 
         // Note: Looks like only Firefox does not need this separate call
         img_onload();
         $(img).on('load', img_onload);
     };
 
     /**
      * Displays loading... overlay for iframes
      */
     function iframe_loader(frame)
     {
         frame = $(frame);
 
         if (frame.length) {
             var loader = $('<div class="iframe-loader">')
                 .append($('<div class="spinner spinner-border" role="status">')
                     .append($('<span class="sr-only">').text(rcmail.gettext('loading'))));
 
             // custom 'loaded' event is expected to be triggered by plugins
             // when using the loader not on an iframe
             frame.on('load error loaded', function() {
                     // wait some time to make sure the iframe stopped loading
                     setTimeout(function() { loader.remove(); }, 500);
                 })
                 .parent().append(loader);
 
             // fix scrolling in iOS
             if (ios) {
                 frame.parent().addClass('ios-scroll');
             }
         }
     };
 
     /**
      * Convert checkbox input into Bootstrap's custom switch
      */
     function pretty_checkbox(checkbox)
     {
         var label, parent, id, checkbox = $(checkbox);
 
         if (checkbox.is('.custom-control-input')) {
             return;
         }
 
         if (!(id = checkbox.attr('id'))) {
             id = 'icochk' + (++env.checkboxes);
             checkbox.attr('id', id);
         }
 
         if (checkbox.parent().is('label')) {
             label = checkbox.parent();
             checkbox = checkbox.detach();
             label.before(checkbox);
         }
         else {
             label = $('<label>');
         }
 
         label.attr({'for': id, 'class': 'custom-control-label', title: checkbox.attr('title') || ''})
             .on('click', function(e) { e.stopPropagation(); });
 
         checkbox.addClass('form-check-input custom-control-input')
             .wrap('<div class="custom-control custom-switch">')
             .parent().append(label);
     };
 
     /**
      * Make select dropdowns pretty
      * TODO: searching, optgroup, [multiple], iPhone/iPad
      */
     function pretty_select(select)
     {
         // iPhone is not supported yet (problem with browser dropdown on focus)
         if (bw.iphone || bw.ipad) {
             return;
         }
 
         select = $(select);
 
         if (select.is('.pretty-select')) {
             return;
         }
 
         var select_ident = 'select' + select.attr('id') + select.attr('name');
         var is_menu_open = function() {
             // Use proper window in cases when the select element intialized
             // inside an iframe is then used in a dialog inside a parent's window
             // For some reason we can't access data-button property in cross-window
             // case, we use data-ident attribute instead
             var win = select[0].ownerDocument.defaultView;
             if (win.$('.select-menu .listing').data('ident') == select_ident) {
                 return true;
             }
         };
 
         var close_func = function() {
             var open = is_menu_open();
             select.popover('dispose').focus();
             return !open;
         };
 
         var open_func = function(e) {
             var items = [],
                 dialog = select.closest('.ui-dialog')[0],
                 max_height = (document.documentElement.clientHeight || $(document.body).height()) - 75,
                 max_width = $(document.body).width() - 20,
                 min_width = Math.min(select.outerWidth(), max_width),
                 value = select.val();
 
             if (!is_mobile()) {
                 max_height *= 0.5;
             }
 
             // close other popups
             popups_close(e);
 
             $('option', select).each(function() {
                 var label = $(this).text(),
                     link = $('<a href="#">')
                         .data('value', this.value)
                         .addClass(this.disabled ? 'disabled' : 'active' + (this.value == value ? ' selected' : ''));
 
                 if (label.length) {
                     link.text(label);
                 }
                 else {
                     link.html('&nbsp;'); // link can't be empty
                 }
 
                 items.push($('<li>').append(link));
             });
 
             var list = $('<ul class="listing selectable iconized">')
                 .attr('data-ident', select_ident)
                 .data('button', select[0])
                 .append(items)
                 .on('click', 'a.active', function() {
                     // first close the list, then update the select, the order is important
                     // for cases when the select might be removed in change event (datepicker)
                     var val = $(this).data('value'), ret = close_func();
                     select.val(val).change();
                     return ret;
                 })
                 .on('keydown', 'a.active', function(e) {
                     var item, node, mode = 'next';
 
                     switch (e.which) {
                         case 27: // ESC
                         case 9:  // TAB
                             return close_func();
 
                         case 13: // ENTER
                         case 32: // SPACE
                             $(this).click();
                             return false; // for IE
 
                         case 38: // ARROW-UP
                         case 63232:
                             mode = 'previous';
                         case 40: // ARROW-DOWN
                         case 63233:
                             item = e.target.parentNode;
                             while (item = item[mode + 'Sibling']) {
                                 if (node = $(item).children('.active')[0]) {
                                     node.focus();
                                     break;
                                 }
                             }
                             return false; // prevents from scrolling the whole page
                     }
                 });
 
             select.popover('dispose')
                 .popover({
                     // because of focus issues we can't always use body,
                     // if select is in a dialog, popover has to be a child of this dialog
                     container: dialog || document.body,
                     content: list[0],
                     placement: 'bottom',
                     trigger: 'manual',
                     boundary: 'viewport',
                     html: true,
                     offset: '0,2',
                     sanitize: false,
                     template: '<div class="popover select-menu" style="min-width: ' + min_width + 'px; max-width: ' + max_width + 'px">'
                         + '<div class="popover-header"></div>'
                         + '<div class="popover-body" style="max-height: ' + max_height + 'px"></div></div>'
                 })
                 .on('shown.bs.popover', function() {
                     select.focus(); // for Chrome
                     // Set popup Close title
                     list.parent().prev()
                         .empty()
                         .append($('<a class="button icon cancel">').text(rcmail.gettext('close'))
                             .on('click', function(e) {
                                 e.stopPropagation();
                                 return close_func();
                             })
                         );
 
                     // focus first active element on the list
                     if (rcube_event.is_keyboard(e)) {
                         list.find('a.active').first().focus();
                     }
 
                     // don't propagate mousedown event
                     list.on('mousedown', function(e) { e.stopPropagation(); });
                 })
                 .popover('show');
         };
 
         select.addClass('pretty-select custom-select form-control')
             .on('mousedown keydown', function(e) {
                 select = $(e.target); // so it works after clone
 
                 // Do nothing on disabled select or on TAB key
                 if (select.prop('disabled')) {
                     return;
                 }
 
                 if (e.which == 9) {
                     close_func();
                     return true;
                 }
 
                 // Close popup on ESC key or on click if already open
                 if (e.which == 27 || (e.type == 'mousedown' && is_menu_open())) {
                     return close_func();
                 }
 
                 select.focus();
 
                 // prevent displaying browser-default select dropdown
                 select.prop('disabled', true);
                 setTimeout(function() { select.prop('disabled', false); }, 0);
                 e.stopPropagation();
 
                 // display options in our way (on SPACE, ENTER, ARROW-DOWN or mousedown)
                 if (e.type == 'mousedown' || e.which == 13 || e.which == 32 || e.which == 40 || e.which == 63233) {
                     open_func(e);
 
                     // Prevent from closing the menu by general popover closing handler (popups_close())
                     // We used to just stop propagation in onclick handler, but it didn't work
                     // in Chrome where onclick handler wasn't invoked on mobile (#6705)
                     popups_close_lock = new Date().getTime();
 
                     return false;
                 }
             })
     };
 
     /**
      * HTML editor textarea wrapper with nice looking tabs-like switch
      */
     function html_editor_init(obj)
     {
         // Here we support two structures
         // 1. <div><textarea></textarea><select name="editorSelector"></div>
         // 2. <tr><td><td><td><textarea></textarea></td></tr>
         //    <tr><td><td><td><input type="checkbox"></td></tr>
 
         var sw, is_table = false,
             editor = $(obj),
             parent = editor.parent(),
             tabindex = editor.attr('tabindex'),
             mode = function() {
                 if (is_table) {
                     return sw.is(':checked') ? 'html' : 'plain';
                 }
 
                 return sw.val();
             },
             tabs = $('<ul class="nav nav-tabs">')
                 .append($('<li class="nav-item">')
                     .append($('<a class="nav-link mode-html" href="#">')
                         .text(rcmail.gettext('htmltoggle'))))
                 .append($('<li class="nav-item">')
                     .append($('<a class="nav-link mode-plain" href="#">')
                         .text(rcmail.gettext('plaintoggle'))));
 
         if (parent.is('td')) {
             sw = $('input[type="checkbox"]', parent.parent().next());
             is_table = true;
         }
         else {
             sw = $('[name="editorSelector"]', obj.form);
         }
 
         // sanity check
         if (sw.length != 1) {
             return;
         }
 
         parent.addClass('html-editor');
         editor.before(tabs);
 
         $('a', tabs).attr('tabindex', tabindex)
             .on('click', function(e) {
                 var id = editor.attr('id'), is_html = $(this).is('.mode-html');
 
                 e.preventDefault();
                 if (rcmail.command('toggle-editor', {id: id, html: is_html}, '', e.originalEvent)) {
                     $(this).tab('show').prop('tabindex', -1);
                     $('.mode-' + (is_html ? 'plain' : 'html'), tabs).prop('tabindex', tabindex);
 
                     if (is_table) {
                         sw.prop('checked', is_html);
                     }
                 }
             })
             .filter('.mode-' + mode()).tab('show').prop('tabindex', -1);
 
         if (is_table) {
             // Hide unwanted table cells
             sw.parents('tr').first().hide();
             parent.prev().hide();
             // Modify the textarea cell to use 100% width
             parent.addClass('col-sm-12');
         }
 
         // make the textarea autoresizeable
         textarea_autoresize_init(editor);
     };
 
     /**
      * Make the textarea autoresizeable depending on it's content length.
      * The way there's no vertical scrollbar.
      */
     function textarea_autoresize_init(textarea)
     {
         var resize = function(e) {
             clearTimeout(env.textarea_timer);
             env.textarea_timer = setTimeout(function() {
                 var area = $(e.target),
                     initial_height = area.data('initial-height'),
                     scroll_height = area[0].scrollHeight;
 
                 // do nothing when the area is hidden
                 if (!scroll_height) {
                     return;
                 }
 
                 if (!initial_height) {
                     area.data('initial-height', initial_height = scroll_height);
                 }
 
                 // strange effect in Chrome/Firefox when you delete a line in the textarea
                 // the scrollHeight is not decreased by the line height, but by 2px
                 // so jumps up many times in small steps, we'd rather use one big step
                 if (area.outerHeight() - scroll_height == 2) {
                     scroll_height -= 19; // 21px is the assumed line height
                 }
 
                 area.outerHeight(Math.max(initial_height, scroll_height));
             }, 10);
         };
 
         $(textarea).css('overflow-y', 'hidden').on('input', resize).trigger('input');
 
         // Make sure the height is up-to-date also in time intervals
         setInterval(function() { $(textarea).trigger('input'); }, 1000);
     };
 
     // Inititalizes smart list input
     function smart_field_init(field)
     {
         var tip, id = field.id + '_list',
             area = $('<div class="multi-input"><div class="content"></div><div class="invalid-feedback"></div></div>'),
             list = field.value ? field.value.split("\n") : [''];
 
         if ($('#' + id).length) {
             return;
         }
 
         // add input rows
         $.each(list, function(i, v) {
             smart_field_row_add($('.content', area), v, field.name, i, $(field).data('size'));
         });
 
         area.attr('id', id);
         field = $(field);
 
         if (field.attr('disabled')) {
             area.hide();
         }
         // disable the original field anyway, we don't want it in POST
         else {
             field.prop('disabled', true);
         }
 
         if (field.data('hidden')) {
             area.hide();
         }
 
         field.after(area);
 
         if (field.hasClass('is-invalid')) {
             area.addClass('is-invalid');
             $('.invalid-feedback', area).text(field.data('error-msg'));
         }
     };
 
     function smart_field_row_add(area, value, name, idx, size, after)
     {
         // build row element content
         var input, elem = $('<div class="input-group">'
                 + '<input type="text" class="form-control">'
                 + '<span class="input-group-append"><a class="icon reset input-group-text" href="#"></a></span>'
                 + '</div>'),
             attrs = {value: value, name: name + '[]'};
 
         if (size) {
             attrs.size = size;
         }
 
         input = $('input', elem).attr(attrs)
             .keydown(function(e) {
                 var input = $(this);
 
                 // element creation event (on Enter)
                 if (e.which == 13) {
                     var name = input.attr('name').replace(/\[\]$/, ''),
                         dt = (new Date()).getTime(),
                         elem = smart_field_row_add(area, '', name, dt, size, input.parent());
 
                     $('input', elem).focus();
                 }
                 // backspace or delete: remove input, focus previous one
                 else if ((e.which == 8 || e.which == 46) && input.val() == '') {
                     var parent = input.parent(),
                         siblings = area.children();
 
                     if (siblings.length > 1) {
                         if (parent.prev().length) {
                             parent.prev().children('input').focus();
                         }
                         else {
                             parent.next().children('input').focus();
                         }
 
                         parent.remove();
                         return false;
                     }
                 }
             });
 
         // element deletion event
         $('a.reset', elem).click(function() {
             var record = $(this.parentNode.parentNode);
 
             if (area.children().length > 1) {
                 $('input', record.next().length ? record.next() : record.prev()).focus();
                 record.remove();
             }
             else {
                 $('input', record).val('').focus();
             }
         });
 
         $(elem).find('input,a')
             .on('focus', function() { area.addClass('focused'); })
             .on('blur', function() { area.removeClass('focused'); });
 
         if (after) {
             after.after(elem);
         }
         else {
             elem.appendTo(area);
         }
 
         return elem;
     };
 
     // Reset and fill the smart list input with new data
     function smart_field_reset(field, data)
     {
         var id = field.id + '_list',
             list = data.length ? data : [''],
             area = $('#' + id).children('.content');
 
         area.empty();
 
         // add input rows
         $.each(list, function(i, v) {
             smart_field_row_add(area, v, field.name, i, $(field).data('size'));
         });
     };
 
     /**
      * Register form errors, mark fields as invalid, dsplay the error below the input
      */
     function form_errors(tips)
     {
         $.each(tips, function() {
             var input = $('#' + this[0]).addClass('is-invalid');
 
             if (input.data('type') == 'list') {
                 input.data('error-msg', this[2]);
                 $('#' + this[0] + '_list > .invalid-feedback').text(this[2]);
                 return;
             }
 
             input.after($('<span class="invalid-feedback">').text(this[2]));
         });
     };
 
     /**
      * Show/hide the navigation list
      */
     function switch_nav_list(obj)
     {
         var records, height, speed = 250,
             button = $('a', obj),
             navlist = $(obj).next();
 
         if (!navlist.height()) {
             records = $('tr,li', navlist).filter(function() { return this.style.display != 'none'; });
             height = $(records[0]).height() || 50;
 
             navlist.animate({height: (Math.min(5, records.length) * height + 1) + 'px'}, speed);
             button.addClass('collapse').removeClass('expand');
             $(obj).addClass('expanded');
         }
         else {
             navlist.animate({height: '0'}, speed);
             button.addClass('expand').removeClass('collapse');
             $(obj).removeClass('expanded');
         }
     };
 
     /**
      * Wrapper for rcmail.open_window to intercept window opening
      * and display a dialog with an iframe instead of a real window.
      */
     function window_open(url)
     {
         // Use 4th argument to bypass the dialog-mode e.g. for external windows
         if (!is_mobile() || arguments[3] === true) {
             return env.open_window.apply(rcmail, arguments);
         }
 
         // _extwin=1, _framed=1 are required to display attachment preview
         // layout properly and make mobile menus working
         url = rcmail.add_url(url, '_framed', 1);
         url = rcmail.add_url(url, '_extwin', 1);
 
         var label, title = '',
             props = {cancel_button: 'close', width: 768, height: 768},
             frame = $('<iframe>').attr({id: 'windowframe', src: url});
 
         if (/_action=([a-z_]+)/.test(url) && (label = rcmail.labels[RegExp.$1])) {
             title = label;
         }
 
         if (/_frame=1/.test(url)) {
             props.dialogClass = 'no-titlebar';
         }
 
         rcmail.simple_dialog(frame, title, null, props);
 
         return true;
     };
 
     /**
      * Get layout modes. In frame mode returns the parent layout modes.
      */
     function layout_metadata()
     {
         if (is_framed) {
             var doc = $(parent.document.documentElement);
 
             return {
                 mode: doc[0].className.match(/layout-([a-z]+)/) ? RegExp.$1 : mode,
                 touch: doc.is('.touch'),
             };
         }
 
         return {mode: mode, touch: touch};
     };
 
     /**
      * Returns true if the layout is in 'small' or 'phone' mode
      */
     function is_mobile()
     {
         var meta = layout_metadata();
 
         return meta.mode == 'phone' || meta.mode == 'small';
     };
 
     /**
      * Returns true if the layout is in 'touch' mode
      */
     function is_touch()
     {
         var meta = layout_metadata();
 
         return meta.touch;
     };
 }
 
 if (window.rcmail) {
     /**
      * Elastic version of show_menu as we don't need e.g. menu positioning from core
      * TODO: keyboard navigation in menus
      */
     rcmail.show_menu = function(prop, show, event)
     {
         var name = typeof prop == 'object' ? prop.menu : prop,
             obj = $('#' + name);
 
         if (typeof prop == 'string') {
             prop = {menu: name};
         }
 
         // just delegate the action to rcube_elastic_ui
         return rcmail.triggerEvent(show === false ? 'menu-close' : 'menu-open', {name: name, obj: obj, props: prop, originalEvent: event});
     }
 
     /**
      * Elastic version of hide_menu as we don't need e.g. menus stack handling
      */
     rcmail.hide_menu = function(name, event)
     {
         // delegate to rcube_elastic_ui
         return rcmail.triggerEvent('menu-close', {name: name, props: {menu: name}, originalEvent: event});
     }
 }
 else {
     // rcmail does not exists e.g. on the error template inside a frame
     // we fake the engine a little
     var rcmail = parent.rcmail,
         rcube_webmail = parent.rcube_webmail,
         bw = {};
 }
 
 var UI = new rcube_elastic_ui();
 
 // Improve non-inline datepickers
 if ($ && $.datepicker) {
     var __newInst = $.datepicker._newInst;
 
     $.extend($.datepicker, {
         _newInst: function(target, inline) {
             var inst = __newInst.call(this, target, inline);
 
             if (!inst.inline) {
                 UI.datepicker_init(inst.dpDiv);
             }
 
             return inst;
         }
     });
 }