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:
Issue 1
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.
Issue 2
Incorrect cleanup of a custom related type causes grooming on the EntityChangeLog table to stall. This causes the table to grow significantly.
Issue 3
Service requests complete unexpectedly because of a race condition between workflows.
Issue 4
The console crashes when you double-click a parent incident link on an extended incident class.
Issue 5
PowerShell tasks that were created by using the authoring tool do not run because of an incorrect reference to certain assemblies.
Issue 6
The Exchange management pack is stuck in a Pending state after management pack synchronization.