This is the AMD Catalyst 11.11C "Performance Driver" (8.911.1 November 30).

AMD Catalyst 11.11c performance driver features

Elder Scrolls Skyrim

• New in Catalyst 11.11c: Delivers AMD CrossfireX performance scaling for the AMD Radeon HD 5000 Series
• Delivers AMD CrossfireX performance scaling for AMD Radeon HD 6000 Series
• Improves performance 2-7% on single GPU configurations
• Resolve corruption seen when enabling Multi-Sample Anti-Aliasing on the AMD Radeon HD 6970 Series

Assassins Creed: Revelations

• New in Catalyst 11.11b: Delivers AMD CrossfireX performance scaling

Batman Arkham City

• Improves DirectX 11 performance for single GPU configurations

Rage

• Delivers AMD CrossfireX performance scaling
• Resolves a number of image / stability issues seen with the title:
• Fix geometry corruption, sometimes seen in Bash TV entrance
• Fix issues with Low-memory conditions on 32bit systems.
• Fix issue with extreme corruption with missing textures on 32bit systems.
• Fix memory leaks when deleting/reusing sync objects.
• Fix hitching and pausing, especially noticeable on some Quad Core systems when doing races and Stanley Express runs.
• Fix some missing shadows

Battlefield 3

• Resolves intermittent corruption seen when playing the game at specific camera angles

We have a discussion thread open on these drivers right here.