Feature Highlights of The AMD Catalyst 13.8 Beta2 Driver for Windows:

Saints Row 4: Performance improves up to 25% at 1920x1280 with Ultra settings enabled
Splinter Cell Blacklist: Performance improves up to 9% at 2560x1600 with Ultra settings enabled
Final Fantasy XIV: Improves single GPU and CrossFire performance
Van Helsing: Fixes image quality issues when enabling Anti-Aliasing through the AMD Catalyst Control Center
Far Cry 3 / Far Cry 3 Blood Dragon: Resolve corruption when enabling Anti-Aliasing through the Catalyst Control Center
RIPD: Improves single GPU performance
Minimum: Improves CrossFire performance
Castlevania Lords of Shadow: Improves CrossFire performance
CrossFire: Frame Pacing feature – includes improved performance in World of Warcraft, Sniper Elite, Watch Dogs, and Tomb Raider
Doom 3 BFG: Corruption issues have been resolved

Known Issues of The AMD Catalyst 13.8 Beta2 Driver for Windows:

CrossFire configurations (when used in combination with Overdrive) can result in the secondary GPU usage running at 99%
Enabling CrossFire can result in the PCI-e bus speed for the secondary GPU being reported as x1
Bioshock Infinite: New DLC can cause system hangs with Frame Pacing enabled – disable frame pacing for this title to resolve

Feature Highlights of The AMD Catalyst 13.8 Beta Driver for Windows:

Support for AMD CrossFire Frame Pacing
Frame Pacing ensures that frames rendered across multiple GPUs in a CrossFire configuration will be displayed at an even and regular pace.
Enabled through the AMD Catalyst Control Center; Globally or on a per application basis.
Frame Pacing is enabled by default.
Supported for DirectX 10 and DirectX 11 applications, and resolutions up to and including 2560x1600 (single display).
OpenGL 4.3 support – full support for the OpenGL 4.3 feature set
Performance improvements found in AMD Catalyst 13.8 Beta for Windows:
Metro: Last Light – improves performance up to 7% on the AMD Radeon HD 7000 Series
OpenGL support for User Profiles and Catalyst Application Profiles:
Users can now create per application 3D setting profiles for OpenGL applications.
OpenGL applications are now supported through Catalyst Application Profile updates (for single GPU and AMD CrossFire configurations).
AMD Enduro Technology enhancement - Catalyst Control Center will now show which applications are active on the Performance GPU, and the Power-Saving GPU
Resolved issues:
Resolved crash when enabling AMD CrossFireX on some AMD 970 platforms
Improved stability for AMD Radeon HD 7790
Resolved intermittent mouse cursor corruption when rapidly moving the cursor across window borders

System Requirements:

Windows 8 (32 & 64-bit versions)
Windows 7 (32 & 64-bit versions with SP1 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 8000M Series
AMD Mobility Radeon HD 7000M Series
AMD Mobility Radeon HD 6000M Series
AMD Mobility Radeon HD 5000M Series