A new Catalyst 14.2 Beta version 1.3 driver is now available for AMD/ATI graphics cards running under 32-bit or 64-bit Windows 7, 8, and 8.1. The instructions warn that your current driver must be uninstalled before the beta is installed, and here are the highlights of the benefits this provides:

• Thief: Crossfire Profile update and performance improvements for single GPU configurations
• Mantle: Multi-GPU configurations (up to 4 GPUs) running Battlefield 4 are now supported
• Frame Pacing for Dual Graphics and non-XDMA configurations above 2560x1600 are now supported with Battlefield 3 and Battlefield 4
• Dual graphics DirectX 9 application issues have been resolved
• Minecraft: missing textures have been resolved
• 3D applications no longer see intermittent hangs or application crashes
• Resolves corruption issues seen in X-plane