One Meta VR CLI command crops your Quest to the VR Glasses' 70 degrees

T2Covered by 1 source · first reported by UploadVR / Road to VR / MIXED at 30 Sept, 15:44 UTC

One command, metavr device fov-sim enable, masks a Quest down to the Meta VR Glasses' 70 degree by 66 degree field of view, so a developer can see what an app loses on a headset that does not exist yet. Meta's guide to the feature, updated September 24, 2026, says the point is to "test ... One Meta…