http://technet.microsoft.com/en-us/library/hh285676.aspx
e Service Pack 1 (SP1) for SharePoint Foundation 2010 and SharePoint Server 2010 (http://go.microsoft.com/fwlink/p/?LinkId=221773) white paper describes the features that are included in Microsoft SharePoint Server 2010 Service Pack 1 (SP1). In addition, this paper provides some guidelines you can follow so that your solutions work with current and future versions of SharePoint Server 2010.
