In continuation to the SQL Server 2008 R2 Service Pack 1 CTP release post, I had a follow-up question from a user asking about list of cumulative package releases since the RTM release. So here they are (Source: MS KBA): Build 10.50.1777.0 (cumulative update) This cumulative update package was released on April 18, 2011. The parent build of this build is 10.50.1765.0. For more information about this build, click the following article number to view the article in the Microsoft Knowledge Base: 2507770...(<a href="http://sqlserver-qa.net/blogs/tools/archive/2011/05/12/list-of-cumulative-update-packages-for-sql-server-2008-r2-sql-sqlcu.aspx">read more</a>)<img src="http://sqlserver-qa.net/aggbug.aspx?PostID=10094" width="1" height="1">