These updates for Lync 2013 include many basic quality improvements since the initial release of Lync 2013.

  • Enables users to hide away or offline contacts in the contact list.
  • Enables users to receive buddy invites from untrusted networks.
  • Improves the support for high dots per inch (DPI) display, Microsoft Narrator, and other accessibility features.
  • Fixes bugs related to Location sharing and settings.
  • Fixes bugs related to Tabbed Conversations.
  • Enables participants to join online meetings by dialing out to their telephone number if online meetings are scheduled by a non-audio enabled Lync 2013 user.
  • Improves the handling of devices that have both a front and rear facing cameras.
  • Improves user experience when you join a Lync meeting in a Lync Room System enabled room.

Note: These updates only affect the Lync 2013 Desktop client. The Lync 2013 Virtual Desktop Infrastructure (VDI) client is not affected and will be updated at a later date. We do not recommend that you install these updates if you use Lync 2013 in VDI mode.

Lync 2013 client update (v15.0.4454.1506)

Download the x86 package now.
Download the x64 package now.

Office 2013 MSO update (v15.0.4454.1504 - required for February 2013 update)

Download the x86 package now.
Download the x64 package now.

http://support.microsoft.com/kb/2812461 (as of 02-12-13, may still be catching up with web caches)