Very short new. The Update Rollup 2 for System Center 2012 Service Pack 1 is available. Please follow this link to read description. Download link should be available shortly.
List of fixed for Service Manager:
If the number of “Manual Activities” that are displayed in the Service Manager Portal exceeds a certain limit, page loads may time out and do not render correctly. This results in a blank page.
Incorrect cleanup of a custom related type causes grooming on the EntityChangeLog table to stall. This causes the table to grow significantly.
Service requests complete unexpectedly because of a race condition between workflows.
The console crashes when you double-click a parent incident link on an extended incident class.
PowerShell tasks that were created by using the authoring tool do not run because of an incorrect reference to certain assemblies.
The Exchange management pack is stuck in a Pending state after management pack synchronization.