Engine.ini

[SystemSettings]
r.bForceCPUAccessToGPUSkinVerts=True
r.GTSyncType=1
r.OneFrameThreadLag=1
r.FinishCurrentFrame=0
r.TextureStreaming=1
r.Streaming.PoolSize=4096
r.Streaming.LimitPoolSizeToVRAM=1
PoolSizeVRAMPercentage=100

[ConsoleVariables]
AllowAsyncRenderThreadUpdates=1
AllowAsyncRenderThreadUpdatesDuringGamethreadUpdates=1
AllowAsyncRenderThreadUpdatesEditor=1

[WindowsApplication.Accessibility]
StickyKeysHotkey=True
ToggleKeysHotkey=True
FilterKeysHotkey=True
StickyKeysConfirmation=True
ToggleKeysConfirmation=True
FilterKeysConfirmation=True