Enabling MobileHDR on Meta Quest 3 device causes intermittent hang in splash screen

UE - Platform - XR - Feb 2, 2026

Using MobileHDR on an actual MetaQuest device (MQ3 tested) causes an intermittent hang/deadlock in the splash screen. This hang in the splash screen seem to happen maybe 1 in 5 times. The first ti ...

Right eye looks worse than left with Deferred

UE - Platform - XR - Oct 16, 2025

HZB occlusion is broken on Instanced Stereo

UE - Platform - XR - Oct 2, 2025

Other engine features requiring HZB data (such as per-instance GPU LOD selection occlusion culling or light grid culling) are also impacted regardless of whether r.HZBOcclusion is enabled. ...

Objects are culled prematurely in the right eye on Quest

UE - Platform - XR - Aug 19, 2025

[Image Removed] ...

WidgetComponent is not updated with occlusion culling disabled

UE - Platform - XR - May 7, 2025

LastRenderTime is never updated with occlusion culling disabled, so the widget component will always stop updating.  (see UWidgetComponent::ShouldDrawWidget) Developers can force updates by TickWhen ...

Return FGoogleARCoreXRTrackingSystem::OnGetARTexture with YCbCr colour conversion

UE - Platform - XR - Apr 2, 2025

Either directly return the converted image (if we need it everywhere), or, convert it in ARUtilities/Materials/M_ScreenSpacePassthroughCamera ...

VRS Stereo Foveation is not working

UE - Platform - XR - Jan 24, 2025