http://blogs.technet.com/b/ucedsg/archive/2011/07/30/update-for-communicator-for-mac-2011-13-1-2-just-released.aspxThis fixes some hangs and other issues. Grab it here.en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/ucedsg/archive/2011/07/30/update-for-communicator-for-mac-2011-13-1-2-just-released.aspx#3448747Wed, 24 Aug 2011 03:29:10 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3448747markga<p>Formicary is the 3rd party solution today for Macs - cross browser and mobile clients available as add-on to Lync Group Chat.</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3448747" width="1" height="1">http://blogs.technet.com/b/ucedsg/archive/2011/07/30/update-for-communicator-for-mac-2011-13-1-2-just-released.aspx#3448741Wed, 24 Aug 2011 02:04:45 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3448741Jack<p>Do you know if they will ever release a Lync Group Chat client for MAC?</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3448741" width="1" height="1">