Featuring support for the new WDDM 1.2 driver model, this new driver enables customers to utilize the model’s features as applications are updated to leverage them. These features include:

• Support for the AMD Radeon HD 7900 Series, AMD Radeon HD 7800 Series, and the AMD Radeon HD 7700 Series.
• Native Stereo 3D support: Windows 8 natively supports stereoscopic 3D gaming and videos via compatible applications. Middleware applications will not be required for such apps.
• Unified Video API: Video playback has been integrated into the DirectX 11 API, enabling simultaneous video and gaming content. Transcoding performance may also be improved for supporting applications.
• Optimized screen rotation for rotation-aware devices.
• Improved sleep/resume performance.
• Optimized GPU power consumption.
• Support for AMD Features:
  • AMD Eyefinity
  • OpenCL
  • OpenGL
  • UVD
  • AMD Dual Graphics/AMD CrossFire Technology
  • AMD Overdrive
  • AMD Catalyst Control Center/Vision Engine Control Center

Known issues found in the AMD Catalyst feature preview for Windows 8 (these issues will be addressed in the AMD production release for Windows 8).

• AMD Radeon HD 7900, AMD Radeon HD 7800, and the AMD Radeon HD 7700 performance in DirectX 9 applications may be slower under Windows 8 vs. Windows 7.
• AMD CrossFireX configurations using the AMD Radeon HD 7900, AMD Radeon HD 7800, and the AMD Radeon HD 7700 in DirectX 9 and DirectX 11 applications may be slower under Windows 8 vs. Windows 7.
• AMD CrossFireX configurations using the AMD Radeon HD 7900, AMD Radeon HD 7800, and the AMD Radeon HD 7700 in OpenCL accelerated applications may cause a BSOD or system hang.
• Blacklight Retribution (DirectX11 mode) played with a CrossFire configuration may result in a system crash when launching the application (32-bit OS only).
• Video corruption can be seen when playing back movie trailers with Metro video player.

• AMD Catalyst Release Preview [Windows 8 Release Preview 32 bit & 64 bit]

• Im Forum: Windows 8 - Erfahrungen und Hilfestellung
• AMD Catalyst 12.6 Beta Desktop- und Notebook-Grafiktreiber
• AMD Catalyst 12.6 Beta CAP1 - Neue Profile auch für Single-GPU-Systeme
• AMD Catalyst 12.4b Hotfix-Treiber - Behebt Darstellungsfehler in Diablo III und Skyrim
• AMD führt neuen Update-Rhythmus für ältere Grafikkartengenerationen ein
• Aktivierung von Supersampling Anti-Aliasing auch in künftigen WHQL-Treibern möglich