Unreal Engine Issues

Mobile Deferred Shading enabled and Preview Level Android Vulkan will crash the editor

AppleARKit forces view projection matrix according to device viewport

[Link Removed] ...

VisionOS deferred renderer regression

Deferred desktop renderer does not function correctly on visionOS.  It did work in 5.4.  One problem is the r.XRMSAAMode setting forcing 4 samples even when not using msaa, but there are other probl ...

Ambient Occlusion darkens the entire scene in VR Preview

UHapticFeedbackEffect_SoundWave Initialize does not populate Raw Data in the HapticsBuffer

From the UDN:  >  Open HapticsFeedbackEffect.cpp and naivgate ~ line 150; note HapticBuffer has length populated but never write the actual buffer data. LikeReplySelect as Best Seems like a simple f ...

XR -ARKit - Tracked Planes are not attached to the real world objects when moving the camera around

When the user attempts to place an object on a tracked plane it slides around the environment not staying in the expected place. Using the ARDebugcheck project with the show planes option you can se ...

GetMotionControllerData doesn't return expected data

Repro project: [Link Removed] ...

AR Kit Env Probes are backwards

[Link Removed] Original issue shared on UDN: [Link Removed] ...

HDRi backdrops show default material on Meta Quest

Recentering on Meta Quest doesn't work

This is a serious issue as it's causing applications to fail certification on the Meta Quest store ...