Yesterday Microsoft has released Cumulative Update 4 (CU4) for Configuration Manager 2012 Service pack 1. When looking at the contents of the CU at a glance this CU seems to focus on fixing issues, additionally it adds support for Microsoft Application Virtualization (App-V) 5.0 Service Pack 2 (SP2).
Full details and download link can be found here: http://support.microsoft.com/kb/2922875
Note that the link in the article pointing to the November 2013 anti-malware platform update for EP is broken. This is the working one: http://support.microsoft.com/kb/2907566
