• Addressbook: inform the user about number of contacts adding to mail compose dialog via Email action
• Addressbook: add filtering by distribution list for organisations
• Addressbook: fix bug preventing turning off letter filter after some actions
• Admin: fix admin-cli.php to understand bcrypt hashes in header.inc.php
• All apps: adopt custom theme color for all dialogs headers
• Api: fix enabled actions don't show up on nm initiation
• Calendar: fix participant quantity lost when changing status
• Calendar: fix missing first row in planner by category view
• Calendar: fix EGroupware users were notified even if they choose not to in their preferences
• Calendar/Mail: handle meeting requests for single recurrences and exceptions
• Calendar: fix notifications show actions for alarm notify messages
• Calendar/CalDAV: sending correct iMip REPLY to mail invitations and only reply to external chair
• Mail: implement new preference for toggle actions. For instance, switching Cc, BCc or S/MIME Sign always on when trying to compose an email.
• Mail: fix some smime signed messages get recognized wrongly as encrypted
• Nginx: fix error: upstream sent too big header while reading response header from upstream
• Notifications: group notifications base on entry ID to help minimizing number of notifications on the list
• Notifications: fix sql query error happens for PostgreSQL
• Univention: fix not working password change (setting Kerberos credentials)
• Tracker: fix issue text part of some html tickets mail notifications contain html parts
• Tracker: fix inline images from comments are not getting resolved properly
• Tracker: fix inline images from mailhandling are not getting resolved properly