The Fantastic 12 of 2012: A Behind the Scenes View of Blazing Fast Performance
http://blogs.technet.com/b/dataplatforminsider/archive/2012/04/26/the-fantastic-12-of-2012-a-behind-the-scenes-view-of-blazing-fast-performance.aspx
Win New SQL Server T-Shirts by Following the Fantastic 12 of 2012: Behind the Scenes Blog Series
http://blogs.technet.com/b/dataplatforminsider/archive/2012/04/23/win-new-sql-server-t-shirts-by-following-the-fantastic-12-of-2012-behind-the-scenes-blog-series.aspx
The Fantastic 12 of 2012: Behind the Scenes Look into Required 9s and Data Protection
http://blogs.technet.com/b/dataplatforminsider/archive/2012/04/18/the-fantastic-12-of-2012-behind-the-scenes-look-into-required-9s-and-data-protection.aspx
Customers achieving Breakthrough Insight with SQL Server 2012: Volvo Car Corporation, ABB SpA, Klout, Stein Mart and Menlo Worldwide Logistics
http://blogs.technet.com/b/dataplatforminsider/archive/2012/04/13/customers-achieving-breakthrough-insight-with-sql-server-2012-volvo-car-corporation-abb-spa-klout-stein-mart-and-menlo-worldwide-logistics.aspx
The coming in-memory database tipping point.
http://blogs.technet.com/b/dataplatforminsider/archive/2012/04/09/the-coming-in-memory-database-tipping-point.aspx
Guest Blog by EMC: Mission Critical Confidence meets Efficient and Powerful
http://blogs.technet.com/b/dataplatforminsider/archive/2012/04/06/guest-blog-by-emc-mission-critical-confidence-meets-efficient-and-powerful.aspx
SQL Server 2012 – Battle Tested for the NEW Mission Critical
http://blogs.technet.com/b/dataplatforminsider/archive/2012/03/13/sql-server-2012-battle-tested-for-the-new-mission-critical.aspx
Other
http://blogs.technet.com/trm/default.aspx
SQL Rally Dallas
http://www.microsoft.com/sqlserver/en/us/learning-center/events.aspx
SQL Server 2012 Data Sheet
http://download.microsoft.com/download/3/6/C/36C733CA-394B-4C44-A83C-945600644B0A/SQL_Server_2012_Overview_Mar2012.pdf
SQL 2008
Microsoft SQL Server 2008 R2 Analysis Services
FIX: Slow performance when you run an MDX query that uses some sub queries in SSAS 2008 R2
http://support.microsoft.com/kb/2675233
FIX: Performance of a SELECT statement that contains a LIKE operator and an ESCAPE clause is low in SQL Server 2008 R2
http://support.microsoft.com/kb/2698639
FIX: SQL Server 2008 R2 may stop responding when you perform many Update Cube writeback transactions on multiple cubes that belong to different SSAS 2008 R2 databases
http://support.microsoft.com/kb/2682819
Microsoft SQL Server 2008 Datacenter
FIX: The size of a database file is not reduced when you use the DBCC SHRINKFILE command in SQL Server 2008 R2
http://support.microsoft.com/kb/2674636
Microsoft SQL Server 2008 Developer
FIX: Replication Log Reader Agent crashes when an empty string is inserted into an XML column of a table in a transactional replication publication in SQL Server 2008 R2
http://support.microsoft.com/kb/2681514
Microsoft SQL Server 2008 Enterprise Edition
FIX: A non-convergence occurs when you run a merge replication publication that uses web synchronization if the value of a column is NULL in SQL Server 2008 R2
http://support.microsoft.com/kb/2689903
Microsoft SQL Server 2008 R2 PowerPivot for Excel
FIX: Error message when you try to create a data service document in a data feed library from a sub-site collection in SharePoint 2010 to publish Atom feeds: "There is no file with URL"
http://support.microsoft.com/kb/2700227
Microsoft SQL Server 2008 R2 Reporting Services
FIX: Error message when you try to view a report in SSRS 2008 R2: "Different query parameters resulted in a same hash"
http://support.microsoft.com/kb/2696161
FIX: You cannot search a Word document or an Excel workbook that is exported from an SSRS 2008 R2 report by using a keyword in the content of the document or of the workbook in SharePoint 2010
http://support.microsoft.com/kb/2678796
FIX: The field list of the dataset disappears unexpectedly when a report uses a query as a dataset that includes named parameters in SQL Server 2008 R2
http://support.microsoft.com/kb/2679342
Microsoft SQL Server 2008 R2 Standard Edition
Cumulative update package 6 for SQL Server 2008 R2 Service Pack 1
http://support.microsoft.com/kb/2679367
Cumulative update package 13 for SQL Server 2008 R2
http://support.microsoft.com/kb/2679366
Microsoft SQL Server 2008 Standard Edition
DateTime values are rounded to the nearest second when a business logic handler is used in SQL Server 2008 or SQL Server 2008 R2
http://support.microsoft.com/kb/2598510