Here's are the release notes:
NVIDIA Ambient Occlusion
- Adds NVIDIA Control Panel ambient occlusion support for The Elder Scrolls V: Skyrim.
- Adds NVIDIA Control Panel ambient occlusion support for Call of Duty: Modern Warfare 3.
- Updates PhysX System Software to version 9.11.1107 for the best PhysX experience in Batman: Arkham City.
- Enables NVIDIA Surround support for Intel X79 SLI-certified motherboards.
- Added or updated SLI profiles for Crysis 2, Heroes and Generals, Inversion, Stronghold 3, and Syndicate.
- Adds support for 3D Vision over native DisplayPort 1.1 connection - available on BenQ XL2420T and BenQ XL2420TX monitors.
- Added or updated the following 3D Vision game profiles:
- Updates HD Audio driver to version 1.3.9.0.
- Fixes random flickering as Windows boot logo is loading or fading away.
- Fixes corruption in Crysis 2 with SLI and lower quality shadow settings.
- Fixes ability to set Surround resolutions to 5760x1080 using custom resolutions.
- Fixes some random instances of triangular artifacts when playing Battlefield 3.
- Fixes corruption and flickering of some objects in Battlefield 3 in the New York single-player level when anti-aliasing is enabled.
- Fixes corruption seen in Settlers 7 with the NVIDIA 275.33 drivers.
- Fixes playback of videos or live TV using Window Media Center resulting in a black screen.
- Fixes the issue where 1920x1080 @60Hz PC resolution mode switched down to @59Hz.
- Fixes mouse cursor flickering and shaking in Crysis 2, Battlefield: Bad Company 2, Deus Ex and Civilization V when SLI is enabled when using 3DTV Play.