AMD Catalyst™ 14.3 Beta V1.0 Driver for Windows is out!
The following is from the AMD website:
"Feature Highlights of The AMD Catalyst™ 14.3 Beta V1.0 Driver for Windows®
AMD Mantle and AMD True Audio support
Improves stuttering observed in CrossFire mode
Call of Duty: Ghosts: QUAD CrossFire profile update – improves level load times
Audio issues observed when using CrossFire configurations (and V-sync enabled) have been resolved
BattleField 4: V-sync issues observed on CrossFire configurations (with Mantle enabled) have been resolved
Intermittent driver stability issues when installing/un-installing on Desktop Kaveri platforms that support AMD Enduro technology under Windows 8.1. Please disable Enduro support to resolve the issue
Secondary GPUs do not enter low power state on CrossFire configurations; this issue will be addressed in the next AMD Catalyst beta release
Thief (DirectX): Lighting flickers on CrossFire configurations only after CrossFire has been enabled then disabled; this issue will be addressed in the next AMD Catalyst beta release
Battlefield 4 (DirectX): Quad CrossFire configurations with Eyefinity Display configurations suffer slowdowns and stability issues
Titanfall: Flickering occurs under AMD CrossFire configurations"
ASUS Swift PG278Q 2560x1440p @ 120Hz - ASUS Maximus VI Formula - i7 4770K - H80i - 2x MSI R9 290X Gaming OC - HyperX 16GB Ram - 250GB + 500GB SSD
BF4 on ASUS Swift PG278Q - 2560x1440p @ 120Hz and 135% Resolution Scale (3456x1944p) internal resolution averaging 120 FPS on Mantle :)