• Push: fix regression in keep-alive check causing clients sometimes creating a huge number of connections
• Addressbook: allow to configure sending fax via email by replacing the number with an email address
• ActiveDirectory/Mail: fix groups as distribution lists
• ActiveDirectory: implement addtional user or group filter
• Calendar: Fix missing category in event tooltip
• RocketChat: show unread messages in status app and on tab header
• SmallPART: fix not working LTI launch after last maintenance release
• SmallPART: allow to record watched videos: start-, end-time, position, duration and paused times
• SmallPART: fix not working iframe embedding by LTI host
• SmallPART: add missing frame-ancestors ContentSecurityPolicy for LTI 1.3
• SmallPART: allow to run a presentation / html overlay in sync with the video without need to modify video
• Admin: fix IP address validation in site configuration
• Updated translations
• extended changelog