Cumulative update package 8 for SQL Server 2008 R2 Service Pack 2 was released on August 23, 2013. You can get more information from the KB listed below.

2871401  Cumulative update package 8 for SQL Server 2008 R2 Service Pack 2

For the issues that fix in this CU, please refer to the below table:

KB article number

Description

2511963

(http://support.microsoft.com/kb/2511963/ )

FIX: Query stops responding in SQL Server 2008 or in SQL Server 2008 R2 if the query alters or stops an Extended Events session

2811842

(http://support.microsoft.com/kb/2811842/ )

FIX: Missing parameter panel of a drillthrough report when a top-level report contains hidden parameters or no parameters in SSRS 2008 R2 or SSRS 2012

2831478

(http://support.microsoft.com/kb/2831478/ )

FIX: Incorrect result or access violation when you run an MDX query against an SSAS 2012 or SSAS 2008 R2 database that has multiple data sources

2843467

(http://support.microsoft.com/kb/2843467/ )

FIX: "Internal error" when you run an MDX query after you run an UPDATE CUBE statement in SSAS 2012 or SSAS 2008 R2

2844210

(http://support.microsoft.com/kb/2844210/ )

FIX: The Remote Registry service crashes when an application tries to retrieve Performance Counter data from another computer

2848247

(http://support.microsoft.com/kb/2848247/ )

FIX: Slow performance when many connections to a database that run the same query together with different query options in SQL Server 2008 R2

2855755

(http://support.microsoft.com/kb/2855755/ )

FIX: Sys.master_files catalog view is updated incorrectly after you change the file growth settings for a database in SQL Server 2008 R2

2859713

(http://support.microsoft.com/kb/2859713/ )

FIX: "The decryption key is incorrect" error when you open a symmetric key that is encrypted by an asymmetric key in SQL Server 2008, SQL Server 2012 or SQL Server 2008 R2

2861939

(http://support.microsoft.com/kb/2861939/ )

FIX: Cannot uninstall, repair, add new features to, or add a new instance to SQL Server 2008 or SQL Server 2008 R2 in Windows 8

2866062

(http://support.microsoft.com/kb/2866062/ )

FIX: Access violation when you use DTA to analyze a database that contains a partition table in SQL Server 2008 R2

2868348

(http://support.microsoft.com/kb/2868348/ )

FIX: Chart data cannot be updated when you use the Report Viewer Web Part to view the report in SSRS 2008 R2

2875690

(http://support.microsoft.com/kb/2875690/ )

FIX: Exceptions occur and SSAS crashes after you apply CU12 for SQL Server 2008 R2 SP1 or CU5 for SQL Server 2008 R2 SP2

2877204

(http://support.microsoft.com/kb/2877204/ )

FIX: Error 8985 when you run the "dbcc shrinkfile" statement by using the logical name of a file in SQL Server 2008 R2

 

For more information on SQL CU version, please refer to the following link:

http://blogs.technet.com/b/hot/archive/2012/09/29/sql-cu-version-information.aspx