In 4.11 "VR Preview" not displaying in Oculus DK2 - just black

[YuriNK]

I’m not sure, but according to this, SDK 1.3 is not supported yet:

Platform highlights in this release:
Oculus Rift 1.3.0 SDK is coming soon in Unreal Engine 4.11.1 hotfix. (Oculus Rift SDK 0.8.0 beta in Unreal Engine 4.11.0)