Microsoft has released Microsoft Commerce Server 2009 R2 Service Pack 1
Service Pack 1 (SP1) for Microsoft Commerce Server 2009 R2 provides the following functionality:Microsoft Commerce Server 2009 R2 Service Pack 1
Support for Windows Server 2012
Support for SQL Server 2012 SP1
Support for BizTalk Server 2013
A roll-up of previously released hotfixes
In addition, SP1 includes fixes for several other known issues in the product.
Service Pack 1 (SP1) for Microsoft Commerce Server 2009 R2 includes updates binaries in English only. This does not affect your ability to develop a multilingual Commerce Server web site. SP1 is applicable to all Microsoft Commerce Server 2009 R2 editions.