AMD Catalyst 14.6 RC drivers has been released for Windows

Feature Highlights of The AMD Catalyst 14.6 RC Driver for Windows

Plants vs. Zombies (Direct3D performance improvements):
AMD Radeon R9 290X - 1920x1080 Ultra – improves up to 11%
AMD Radeon R9290X - 2560x1600 Ultra – improves up to 15%
AMD Radeon R9290X CrossFire configuration (3840x2160 Ultra) - 92% scaling
3DMark Sky Diver improvements:
AMD A4 6300 – improves up to 4%
Enables AMD Dual Graphics / AMD CrossFire support
Grid Auto Sport:
AMD CrossFire profile
Wildstar:
Power Xpress profile
Performance improvements to improve smoothness of application
Watch Dogs:
AMD CrossFire – Frame pacing improvements
Battlefield Hardline Beta:
AMD CrossFire profile

Known Issues

Running Watch Dogs with a R9 280X CrossFire configuration may result in the application running in CrossFire software compositing mode
Enabling Temporal SMAA in a CrossFire configuration when playing Watch Dogs will result in Flickering
AMD CrossFire configurations with Eyefinity enabled will see application stability with BattleField 4 or Thief when running Mantle
Catalyst Install Manager text is covered by Express/Custom radio button text
Express Uninstall does not remove C:\Program Files\(AMD or ATI) folder

  AMD Catalyst 14.6 RC Driver for Windows released