A stable release of HumHub 1.1 was tagged. It has significant improvements on board:

• Dfferent authentication systems (Facebook, Google, Live, GitHub and also custom).
• Improved notifications (grouping, reduced like notifications)
• Optional friendship system
• Advanced group system (multiple groups per user, group level permissions)
• Added new user invitation method on directory
• Added SOLR search engine support (Enterprise Edition only)
• Cleanup of administration interface and space menu
• Refactored settings system (improved caching support)
• Improved theme support when bundled in module
• Added clean space urls
• Added possibility to change homepage of space
• Translation system improvements (Restrict available languages, overwrite certain message strings)
• Improved page titles
• Added new country profile field

And more optimizations and fixes.