Facebook now recommends game engines support Oculus headsets via the OpenXR standard, not its proprietary SDK (software development kit). Most VR games are made with the Unity and Unreal game engines. Unreal added support for OpenXR this year, and Unity . Earlier this week, Facebook . That same feature won’t be available to other engines via the Oculus SDK.
Link: Facebook Follows Valve & Microsoft In Recommending Game Engines Use OpenXR