W8.1 x64, GTX 850M. First beta worked like a charm.
1)Configured the game to use in game AA and windowed mode.
2)Copied the file you posted, including the new dxgi.dll
3)Start the game, it crashed during loading screen
GEMFX.log
Spoiler Alert, click show to read:
[13:42:55] Welcome - GEMFX is preparing for 32bit application
[13:42:55] Running on Win8.1 or higher...adjusting algorithms
[13:42:55] Hooking SwapChain found at 'C:\Windows\system32\dxgi.dll'
[13:42:55] Hooking Device found at 'C:\Windows\system32\d3d11.dll'
[13:42:55] GEMFX successfully hooked onto 'C:\Program Files (x86)\Steam\steamapps\common\Total War Rome II\rome2.exe'
[13:42:55] Init Factory-1 hook
[13:42:55] Factory-1 hook successful
[13:42:55] Feature Level: 00009300
[13:42:55] Enabled Multi-Thread Device
[13:42:55] Hooked onto Device and SwapChain successfully
[13:42:55] Init Factory-1 hook
[13:42:55] Factory-1 hook successful
[13:42:55] Feature Level: 00009300
[13:42:55] Enabled Multi-Thread Device
[13:42:55] Hooked onto Device and SwapChain successfully
[13:42:55] Init Factory-1 hook
[13:42:55] Factory-1 hook successful
[13:42:55] Init Factory-1 hook
[13:42:55] Factory-1 hook successful
[13:42:55] Init Factory-1 hook
[13:42:55] Factory-1 hook successful
[13:42:55] Init Factory-1 hook
[13:42:55] Factory-1 hook successful
[13:42:55] Feature Level: 00009300
[13:42:55] Enabled Multi-Thread Device
[13:42:55] Hooked onto Device and SwapChain successfully
[13:42:55] Feature Level: 00009100
[13:42:55] Enabled Multi-Thread Device
[13:42:55] Hooked onto Device and SwapChain successfully
[13:42:55] next frame/cycle
[13:42:55] Hooking GUI PixelShader found at 'C:\Windows\system32\d3d11.dll'
[13:42:55] Hooking GUI RenderTarget found at 'C:\Windows\system32\d3d11.dll'
[13:42:55] Hooking GUI Draw found at 'C:\Windows\system32\d3d11.dll'
[13:42:55] bgPS: 0
[13:42:55] next frame/cycle
[13:42:55] Hooking GUI PixelShader found at 'C:\Windows\system32\d3d11.dll'
[13:42:55] Hooking GUI RenderTarget found at 'C:\Windows\system32\d3d11.dll'
[13:42:55] Hooking GUI Draw found at 'C:\Windows\system32\d3d11.dll'
[13:42:55] bgPS: 0
[13:42:55] next frame/cycle
[13:42:55] Hooking GUI PixelShader found at 'C:\Windows\system32\d3d11.dll'
[13:42:55] Hooking GUI RenderTarget found at 'C:\Windows\system32\d3d11.dll'
[13:42:55] Hooking GUI Draw found at 'C:\Windows\system32\d3d11.dll'
[13:42:55] bgPS: 0