New Beta driver out. Looks like a minor update though and nothing to get excited about.
AMD 13.5 Beta 3 Driver
NOTE! You must un-install AMD Catalyst™ 13.4 (if you have already installed AMD Catalyst 13.4) before installing AMD Catalyst 13.5 Beta.
The AMD Catalyst™ 13.5 Beta Driver Can Be Downloaded From The Following Link
http://www2.ati.com/drivers/beta/amd_catalyst_13.5_beta2.exe
Feature Highlights of The AMD Mobility Catalyst™ 13.5 Beta3 Driver for Windows®
Adds support for the AMD Radeon HD8000M Series
Feature Highlights of The AMD Catalyst™ 13.5 Beta Driver for Windows®
Performance gains seen on the entire AMD Radeon™ HD 7000 Series for the following:
Far Cry 3: Improves performance up to 4% with Anti-Aliasing enabled
Shogun II: Improves performance up to 20% with 8x Anti-Aliasing enabled
Tomb Raider: Improves performance up to 6%
Bioshock: Improves performance up to 6%
Borderlands 2: Improves performance up to 17%
Corruption is no longer seen on the AMD Radeon HD 7790 when TressFX is enabled in Tomb Raider
System Requirements:
Windows 8 (32 & 64-bit versions)
Windows 7 (32 & 64-bit versions with SP1 or higher)
Windows Vista (32 & 64-bit versions with SP2 or higher)
AMD Product Compatibility:
AMD Radeon™ HD 7900 Series
AMD Radeon HD 7800 Series
AMD Radeon HD 7700 Series
AMD Radeon HD 6000 Series
AMD Radeon HD 5000 Series
AMD Mobility Radeon HD 7000M Series
AMD Mobility Radeon HD 6000M Series
AMD Mobility Radeon HD 5000 Series
Source
http://support.amd.com/us/kbarticles/Pages/AMDCatalyst13-5WINBetaDriver.aspx