• Admin: white-list IP addresses from blocking or set higher number of attempts
• Calendar: fix alarms on recurring events got lost after 1st ocurrence
• CalDAV/CardDAV: allow removing categories
• CalDAV/CardDAV: encoding VT (vertical tab) as it stalls Outlook (CalDav Synchronizer)
• iMip/Mail/Calendar: fix event-doublication on accepting, if the event was deleted once
• Collabora: egroupware-collabora-key package to install local container for current Debian, Ubuntu, RHEL, SUSE
• Extended changelog