http://blogs.technet.com/b/nexthop/archive/2013/05/13/lync-hybrid-offers-simplified.aspx
Customers now only have the choice of Lync2013 Hybrid "Split Domain" architecture where Lync EV users will be hosted on-prem. This simplifies the management and also provides better EV features than "Hybrid Voice". Read th

On 8 June 2013, Microsoft will replace the root certificate on their federation edge server. Read this article to see how it affects you and what to do: http://blogs.technet.com/b/nexthop/archive/2013/05/09/lync-server-federation-with-microsoft-com-root-certificate-change.aspx

The  announcement, which is timed to the Enterprise Connect event happening in  Orlando this week, discusses a new software extension to the Polycom  RealPresence Platform that will deliver interoperability between Lync 2013 and Polycom’s full portfolio of video and content sharing solutions. In addition, Polycom announced: native integration and Lync Server 2013 qualification for Polycom® VVX® Business Media Phones; and compatibility with Lync 2013 for the RealPresence Platform, HDX Series and Group Series (expected in June). The announcement demonstrates Polycom’s continued leadership in delivering Microsoft Lync interoperable solutions that provide customers with a superior collaboration experience, unmatched interoperability and investment protection.

Read the full story here

Product                                         Version                         KB and Download
Lync 2010 (64bit client)                4.0.7577.4378                 2791382
Lync 2010 (32bit client)                4.0.7577.4378                 2791382
Lync Server 2010, Group Chat     4.0.7577.4378                2803651
Lync Server 2010                          4.0.7577.216                  2493736

Lync Server 2013, February 2013 Cumulative updates have been released and available at http://support.microsoft.com/kb/2809243. Also check out the following Lync2013 tools:

Lync 2013 Server Resouce Kit
Lync Server 2013 Whiteboard Archiving Viewer
Lync Server 2013, Planning Tool
Lync 2013 SDK
Lync Server 2013 Persistent Chat SDK
Lync Server 2013 Persistent Chat Resource Kit
Microsoft Lync Server 2013 Documentation Help File
Lync Server 2013 Stress and Performance Tool
Snooper and other Debugging Tools for Lync 
Updates Resource Centre for Lync2013
Downloads for Lync2013

Microsoft released the February Cumulative Updates for Lync2013 at http://support.microsoft.com/kb/2812461

Polycom Expands Microsoft® Lync™-Enabled Portfolio with New Dedicated Room System for Lync 2013. Read the full press release here

Great article posted on NoJitter on the future of video collaboration. Definitely worth a read! http://www.nojitter.com/post/240142279/will-the-perfect-storm-sink-ciscos-collaboration-boat