Now the rendering step is splittd away from the process, but still it lives inside mimetreeparser.

Running kolab using the official contributed docker containers is beneficial for deployment and distribution. It will be easier and more efficient by the open source and kolab community to provide up to date and maybe preconfigured kolab containers. Those up to date containers are really rare at the moment and therefore a showstopper for increased marketshare in personal and small business usage.