Unreal Engine Issues
Unreal Engine Issues
Particle Systems Feed Broken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled
UE - Niagara - Jul 11, 2019Particle Systems Feed Boroken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 1 CL# 7236301, ...
Running game does not exit when exited through its library page in SteamVR
UE - Platform - XR - Oct 19, 2016SteamVR crash with DirectX 12
UE - Platform - XR - Aug 5, 2019SteamVR will crash with dx12 enabled. You may need to attempt to teleport or open the console for the crash to occur. Also confirmed in MAIN 4.24 CL 7713732 ...
Static Lighting Breaks after Re-opening Levels Containing Level Instances.
UE - Graphics Features - Dec 5, 2022Motion controllers do not appear to be tracked by sequencer
UE - Platform - XR - Jun 30, 2016Motion controllers do not appear to be tracked by sequencer when recording Note: there is already a recording in the project from a previous test Project link: [Link Removed] ...
OpenXR Thumbstick Up/Down/Left/Right Input Actions do not fire
UE - Platform - XR - Sep 1, 2021OpenXR Thumbstick Up/Down/Left/Right Input Actions do not seem to fire. I tested on Quest 2, but it sounds like the problem may be all of OpenXR. ...
HZB occlusion is broken on Instanced Stereo
UE - Platform - XR - Oct 2, 2025Other 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. ...
[CrashReport] Crash in UViewportWorldInteraction::FindTransformGizmoAlignPoint
UE - Editor - Workflow Systems - Apr 27, 2017This is an early trending crash coming out of the 4.16 Preview. Users have not provided any additional information about this crash. This was also experienced internally by Alex.P [Link Removed] ...
Light leak on mesh when in shadowed area
UE - Graphics Features - Nov 8, 2017When Cast Shadow and Self Shadow Only in the Lighting Section of the Details of a mesh, the light will randomly hit the mesh even though it is in a shaded area. Light appears to flicker and will com ...
Vive: Trigger haptic has a low chance to not play
UE - Platform - XR - Feb 17, 2018Occasionally the haptics will not response to a trigger pull on the vive wands. It's about 2/15 will skip response. ...