This week is packed with big announcements: Microsoft released SQL Server Code Name “Denali” Community Technology Preview 3 (CTP3) with breakthrough innovations that will help our customers to shape their Business Intelligence (BI) future; and Microsoft also released SQL Server 2008 R2 Service Pack 1 with important improvements of our existing technologies.

Also PowerPivot for Microsoft Excel 2010 was updated as a separate download.

Source: Released: Microsoft SQL Server 2008 R2 Service Pack 1 – Analysis Services and PowerPivot Team Blog – Site Home – MSDN Blogs