It looks that Mapistore converts dates to unix timestamps. I sent a mail to confirm, so we're sure how to procede.

Temporarily implemented with SQL storage.

The customer informed us that the UID is not really an issue in case of Thunderbird import. The calendar events were correctly imported, but they use year 2025 which is a problem. An ugly hack is to add "&end=1451602740" to the feed URL, where the number is a unix timestamp of last day in the current year.

As Chwala uses kolab_auth plugin we can use kolab_auth_role_settings option for this. E.g.:

$config['kolab_auth_role_settings'] = array(
    'cn=contractor,%dc' => array(
        'fileapi_manticore' => array(
            'value' => null,
        ),
    ), 
);

In current implementation Manticore does not know the real file path, so the magic have to be done on Chwala side.

In Roundcube we have autocompletion implemented.