Liberada a versão 9.12 do pacote de drivers Catalyst da ATI, provavelmente a última versão oficial de 2009. Confiram abaixo as principais características dessa versão e link para download.

Highlights of the ATI Catalyst™ 9.12 Windows release include:
Performance improvements
•    3DMark Vantage – overall performance improves as much as 9% on the ATI Radeon™ HD 5800 Series and ATI Radeon™ HD 5700 Series.  GT1 – Jane Nash performance improves as much as 15% and FT4 – GPU Cloth improves up to 15%
•    S.T.A.L.K.E.R. – Call of Pripyat – performance improves as much as 6% on single card configurations

New Features
ATI Catalyst™ support for DirectCompute 10.1 
•    This release of ATI Catalyst™ provides full support for DirectCompute 10.1 for the ATI Radeon™ HD 4800 Series, ATI Radeon™ HD 4700 Series for both single card and ATI CrossFireX™ supported configurations.

OpenGL 3.2 extension support
•    This release of ATI Catalyst™ provides support for OpenGL 3.2 extension support on the ATI Radeon™ HD 5800 Series, ATI Radeon™ HD 5700 Series, ATI Radeon™ HD 4000 Series, ATI Radeon™ HD 3000 Series and ATI Radeon™ HD 2000 Series.    The following is a list of OpenGL™ 3.2 features and extensions added in ATI Catalyst™ 9.12:
o    Support for OpenGL Shading Language 1.50.
o    BGRA vertex component ordering (GL_ARB_vertex_array_bgra).
o    Drawing commands allowing modification of the base vertex index (GL_ARB_draw_elements_base_vertex).
o    Shader fragment coordinate convention control (GL_ARB_fragment_coord_conventions).
o    Provoking vertex control (GL_ARB_provoking_vertex).
o    Seamless cube map filtering (GL_ARB_seamless_cube_map).
o    Multisampled textures and texture samplers for specific sample locations (GL_ARB_texture_multisample).
o    Fragment depth clamping (GL_ARB_depth_clamp).
o    Geometry shaders (GL_ARB_geometry_shader4).
o    Fence sync objects (GL_ARB_sync).
o    Transform_feedback2
o    texture_cubemap_array

Highlights of the Linux ATI Catalyst™ 9.12 release include:
New Features
Support for new Linux operating systems
•    This release of ATI Catalyst™ Linux introduces support for the following new operating systems: 
o    RedFlag DT6.0 SP3
o    SLED and SLES 10SP3

ATI Catalyst Control Center Linux Edition:  Displays pages: user interface enhancements
•    This release of ATI Catalyst™ Linux introduces support for a number of new display features found in the ATI Catalyst Control Center Linux Edition, highlights include: 
•    CRT/VGA settings
o    New Size and Position page
o    New HDTV page
•    TV settings
o    New option for “Automatic setting for Size and Position adjustment”      
o    New image quality settings:  “flicker removal” and “S-Video/Composite sharpness”
•    Component Video settings
o    New Scaling Options page – new Overscan / Underscan controls
o    New custom mode support for 576 modes
•    Support for display projectors
o    Enables quick display configuration of display projectors

For more information on ATI Catalyst™ 9.12 (for Windows 7, Windows Vista, Windows XP, and Linux versions), including all of the resolved issues in this release, please see the ATI Catalyst™ 9.12 release notes.

We’ve also made the ATI Catalyst™ 9.12 hotfix driver available (a little later) today as well – there were some last minute fixes, plus a few more features we wanted to get out there as soon as we could!!

Grab it now at:  http://support.amd.com/us/kbarticles/Pages/ATICatalyst912Hotfix.aspx

Highlights of the ATI Catalyst™ 9.12 hotfix release include:
Support for the OpenCL™ GPU component of the ATI Stream SDK v2.0
•    The ATI Catalyst™ 9.12 hotfix release provides full support for GPU acceleration of OpenCL when used in conjunction with the ATI Stream SDK v2.0.   This feature is supported on the ATI Radeon™  HD 5970 Series, ATI Radeon™ HD 5800 Series, ATI Radeon™ HD 5700 Series, ATI Radeon™ HD 4000 Series and the AMD FireStream™ 9200 Series of products. For more information about ATI Stream technology and OpenCL, please visit http://www.amd.com/stream.

Support for ATI CrossFireX™ on Eyefinity configurations
•    The ATI Catalyst™ 9.12 hotfix release provides ATI CrossFireX™ support on Eyefinity configurations, allowing users to take advantage of their additional GPUs for increased gaming performance when driving high resolution Eyefinity display groups
•    Supported on the ATI Radeon™ HD 5970 Series, ATI Radeon™ HD 5800 Series, and ATI Radeon™ HD 5700 Series

Support for DisplayPort audio
•    The ATI Catalyst™ 9.12 hotfix release adds support for DisplayPort audio for DisplayPort panels

Fixes for the following issues:
•    Resident Evil 5 – Performance drop during the opening cinematic
•    Call of Duty Modern Warfare 2 – Performance drop observed with a supported  ATI CrossFireX™ configuration when using the thermal scope  
•    Wheelman – Game freezes while loading the game menu
•    Flashing in various OpenGL titles – City of Heroes, Enemy Territories: Quake Wars, Riddick
•    Heaven benchmark (DirectX 9 mode) – Grass flickers and white boarders observed around the edges
•    ATI Radeon™ HD 5970 Series,  ATI Radeon™ HD 5800 Series, and ATI Radeon™ HD 5700 Series – issue with HDMI: DTS-HD and Dolby True-HD not working properly with certain receivers
•    The desktop mouse cursor becomes enlarged at random when using Windows 7