Unreal Engine Issues
Unreal Engine Issues
Google VR Plugin - Unable to package for Distribution
UE - Platform - Mobile - Oct 19, 2018There is an issue with GoogleVR and Android SDK 26 that only occurs when packaging "For Distribution", possibly connected to the SDK 26 change regarding the UiLayer for VR mode. Packaging without Di ...
Spline mesh crashing in FRayTracingDynamicGeometryCollection::AddDynamicMeshBatchForGeometryUpdate
UE - Rendering - Graphics Features - Ray Tracing - Jan 31, 2025A crash occurs when using ray tracing with spline meshes preceded by the following ensure : Ensure condition failed: NumCPUVertices <= VertexBufferNumElements File: Engine\Source\Runtime\Renderer\ ...
Fringe Saturation in Post Process Volume not functioning
UE - Graphics Features - Jul 27, 2015Setting the values for Fringe Saturation within the Post Process Volume does not seem to have any visual change. The documentation suggests that changing the Fringe Saturation will either increase ...
When multiple HLODs are set, the transition does not occur correctly
UE - Graphics Features - Aug 30, 2019The [bIsVisible] flag is set to [1] by the following judgment.const bool bIsInDrawRange = DistanceSquared >= Bounds.MinDrawDistanceSq * HLODState.FOVDistanceScaleSq; Judging from this code, I bel ...
World partition mini map fails to build with an Unhandled Exception while using r.Raytracing.Nanite.Mode=1
UE - Graphics Features - Jan 31, 2023This is a regression. Tested in //UE5/Release-5.0 CL20979098 Build mini map fails with an Unhandled Exception while r.Raytracing.Nanite.Mode=1 is enabled in the DefaultEngine.ini. ...
Oculus crash on "stereo on" when the proximity sensor is not triggered.
[Link Removed] Release-4.15 stream, latest. I built qagame in debug. Then I run it: trigger prox sensor - vr turns on 'stereo off' - vr off release prox sensor 'stereo on' - crash inside ovr_Submi ...
[CrashReport] UE4Editor_SlateCore!FHittestGrid::GetBubblePath() [hittestgrid.cpp:145]
UE - Editor - UI Systems - Slate - Oct 27, 2017This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Based on the affected project names, this crash seems co ...
A 5.5 level that contains a Text3DComponent in a BP crashes the engine when opened in 5.6 (and up)
zComponent - Archive - Sep 11, 2025A 5.5 level that contains a Text3DComponent in a BP crashes the engine when opened in 5.6 (and up). The licensee has provided his analysis: Description: Level instance created in UE5.5 and re-saved ...
Reimporting static mesh doesn't respect changed lightmap settings
UE - Editor - Content Pipeline - Import and Export - May 11, 2023Licensee reports change of behaviour between UE4 and UE5 when reimporting a mesh after changing its lightmap build settings. Change of behaviour occurred in 17404767, which was to fix a similar pro ...
GPU Validation texture barrier errors for SkyAtmosphere component
UE - Rendering - RHI - Jul 20, 2026A licensee reported that two SkyAtmosphere texture resources do not have proper memory transitions added by the RDG. This happens because in VolumetricCloud.usf, these textures are referenced via Vi ...