- VIDOTEACH: introduce new type of video-choice question which causes a jump to one of multiple target-videos
- Mail/Sieve: support numeric comparison to a header e.g. "X-Spam-Score"
- Calendar: get subscriptions working with iCloud (caldav.icloud.com), added autodetection and calendar-selection
- Calendar: allow adding resources to subscribed calendars e.g. for migrating a ressource-calendar to EGroupware
- Calendar: subscription was not correct (un)deleting already synced events, change [Synchronize] button to ignore sync-token or etag
- Calendar: fix iCalendar export adding a seemingly empty line, if (wrapped) line has exactly 75 chars
- Calendar: fix not being able to set no default alarm in calendar preferences by setting it empty
- Calendar: answering NO to question "Apply changes to (future) exceptions too?" behaved like YES
- API/Authentication: new App-password backend to deny authentication with the real password, to force usage of tokens for CalDAV/CardDAV or eSync
- InfoLog/CalDAV: fix typo causing all types to be synchronized via CalDAV ignoring the preference what to sync
- Addressbook/InfoLog/Timessheet/REST-Api: new GET parameter "filters[linked]=:" to return entries linked to given other entry
- LDAP/ADS: fixed account import was not activating mail-accounts
- LDAP/ADS: allow to import aliases from AD or LDAP, incl. download of an .ldif file to first set them in the directory
- Preferences: fix not working password change on mobile devices
- Extended release notes