* This release of ATI Catalyst™ provides enhanced support for the Windows 7 Drag and Drop video converter.
* Performance improvements
* New formats supported (H.264 file formats – MTS, and WMV9 Complex profile interlaced content)
* ATI Catalyst™ Control Center option for enabling/disabling GPU acceleration
* Support for the ATI Video converter is now available in the advanced view of the ATI Catalyst Control Center.

Changelog: http://www2.ati.com/relnotes/Catalyst_1 ... _notes.pdf

* Running fullscreen DirectX 9 applications/games after enabling Aero effects and rebooting no longer causes the system to randomly stop responding
* Primary display no longer blanks out intermittently during "World in Conflict™: Soviet Assault" DirectX10 gameplay with CrossFire and Dual Monitor enabled
* "Stone Giant" DirectX 11 demo no longer intermittently fails in fullscreen mode with CrossFire enabled under Multi-GPU configurations on some cards
* Task switching out of "Battlefield: Bad Company™ 2" and then back into the game no longer causes CrossFire to become disabled
* Enabling in-game Anti-Aliasing and utilizing Edge-Detect filters no longer causes smoother lines but blurry textures when compared to the Standard filter on some cards
* Desktop line corruption is no longer observed after hotplugging the HDCP display on some cards
* Enabling Overdrive through the Catalyst™ Control Center for single display systems no longer results in GPU clocks running at high levels in non-GPU intensive scenarios

Changelog: http://support.amd.com/us/kbarticles/Pa ... Notes.aspx