This article contains a brief overview with a timeline with the updates, add-in etc.
Please feel welcome to leave a comment if a forgot to mention a update, add-on etc.
Time
Event
September 2010
Lync Release Candidate Released
Oktober 2010
Lync RTM Released
January 2011
Lync CU1 update Released
February 2011
Lync Best Practices Analyzer Released
March 2011
Lync IM an Expert Released
April 2011
Lync CU2 update Released
Lync Web Scheduler Released
June 2010
Lync Conversations Analyzer Released
Lync Conversation Translator add-in released
Lync Information Dashboard add-in released
Lync Tabbed Conversations add-in released
July 2011
Lync CU3 update Released
November 2011
Lync CU4 update Released
December 2011
Lync Mobile Clients for Android, Windows Mobile en iOS Released
Maheshkumar S Tiwari edited Original. Comment: Added Tag