[ update 18/6/2012 LDR.569 added ]
[ update 16/4/2012 – changed the format to make LDR/GDR branch versioning clearer at the suggestion of Vivek Mishra (thanks!) ; added .468 and  .476 ]
[ update 15/2/2013 – added MS12-074, 2733944, 2756195 ]
[ update 17/4/2013 – added 1001, 2001, 2004 and 2008 ]

Following on from my “Version history of the CLR 2.0” post I’ve decided to start one for 4.0.

If you find a version of clr.dll on a system that is not listed here please let me know (via comments or contact link on the blog).

Thanks!

Doug

The following version numbers refer to the final revision number part of the full file version number, in other words the xxxx bit of 4.0.30319.xxxx

LDR
Branch		 GDR
Branch		 Description
2008   Hotfix rollup 2828843 is available for the .NET Framework 4 on Windows XP SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, Windows 7, Windows 7 SP1, Windows Server 2008 R2, or Windows Server 2008 R2 SP1
2004   Hotfix rollup 2803771 is available for the .NET Framework 4
2001 1001 MS13-004: Description of the security update for the .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: January 8, 2013
590   Hotfix Rollup KB2756195 is available for the .NET Framework 4 on Windows XP SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, Windows 7, Windows 7 SP1, Windows Server 2008 R2, and Windows Server 2008 R2 SP1
586 296 MS12-074: Description of the security update for the .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: November 13, 2012
577   Hotfix Rollup 2733944 is available for the .NET Framework 4 on Windows XP SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, Windows 7, Windows 7 SP1, Windows Server 2008 R2, and Windows Server 2008 R2 SP1
569   Hotfix Rollup 2714396 is available for the .NET Framework 4
559   FIX: Console.ReadLine method waits for input instead of returning a null value when the redirected standard input of an application is closed in the .NET Framework 4.0
551 276 2600211 Update 4.0.3 for Microsoft .NET Framework 4 – Runtime Update
544 269 MS12-035: Description of the security update for the .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: May 8, 2012
530 261 2600217 Reliability Update 2 for the .NET Framework 4
526   2640103 FIX: "Faulting module name: clr.dll" error message when you run a Microsoft .NET Framework 4-based application
500   2592573 "Positive number required" error when you use a .NET Framework 4-based application to deserialize a file
488 239 2572078 MS11-078: Description of the security update for .NET Framework 4: October 11, 2011
485   2563373 Application might crash and encounter a System.NullReferenceException exception in the .NET Framework 4 if the CorrelationManager.LogicalOperationStack property is used
476   2540745 FIX: High memory usage when the Thread.AllocateDataSlot method allocates data slots in the .NET Framework 4
468 237 2533523 Reliability Update 1 for the .NET Framework 4
461   2538717 FIX: Application may crash if the Localized property is set to True in a .NET Framework 4-based Windows Form application
454 235 2518870 MS11-044: Description of the security update for the .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: June 14, 2011
453   2511058 FIX: Full thread stack is committed unexpectedly when you start threads that are not created in CLR after you set the value of the disableCommitThreadStack element to 1 in the .NET Framework 4
450 233 2468871 Update for the .NET Framework 4
448   2509818 FIX: ICorDebug interface does not resolve the managed frames on all stacks for a mini-dump file in the .NET Framework 4
431 225 2446708 MS11-028: Description of the security update for the .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: April 12, 2011
404   2467309 FIX: The String.IndexOf method takes longer than expected to finish, and .NET Framework 4.0 performance decreases significantly
390   2260913 FIX: Updating the .NET Framework may fail and some files in the GAC may be deleted
372 208 2162169 A beta version of an update rollup package is available for the .NET Framework 4
315   982638 A hotfix rollup is available for the .NET Framework 4 to fix some known issues in the .NET Framework remoting
  1 .NET 4.0 RTM (web installer) (standalone installer)