Unreal Engine Issues
Unreal Engine Issues
Raytraced reflection doesn't work with high roughness
UE - Graphics Features - Lumen - Oct 30, 2020Even when the max roughness for raytraced reflections is set to 1, they seem to be blended away at far below that value. For projects (e.g. film,vfx) where quality trumps speed it would be valuable ...
[CrashReport] UE4Editor_Renderer!FSceneRenderer::CreateWholeSceneProjectedShadow() [shadowsetup.cpp:1978]
UE - Graphics Features - Oct 2, 2017This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred. Source Context 1964 // Determine the amount o ...
[CrashReport] Undo crash - FD3D11DynamicRHI::RHIDrawIndexedPrimitive() [d3d11commands.cpp:1650]
UE - Graphics Features - Nov 2, 2017This is a trending crash coming out of 4.18, although it also occurred with less frequency in 4.16 and 4.17. The callstack shares similarities to [Link Removed] and [Link Removed], and the user com ...
Light Function and World Position in 5.4
UE - Graphics Features - Nov 4, 2024When rendering a Light Function into the Translucency Lighting Volume, the World Position Material Expression returns the position relative to the Camera (unrotated), not the World. This can be mor ...
Groom Hair Visual Issue with RBF Interpolation Enabled
UE - Graphics Features - Feb 19, 2025When "RBF Interpolation" is enabled in the Groom settings, applying an Animation Sequence to a Skeletal Mesh that animates at a position far from the world origin causes the bound Groom shape to bec ...
[CrashReport] UE4Editor_Landscape!FLandscapeSplinesSceneProxy::GetDynamicMeshElements() [landscapesplines.cpp:159]
UE - LD & Modeling - Terrain - Landscape - Nov 17, 2017This is an infrequent crash in 4.18. Users have not provided any descriptions of their actions when the crash occurred. Source Context 147 for (int32 ViewIndex = 0; ViewIndex < Views.Num( ...
[CrashReport] UE4Editor_Engine!FHierarchicalStaticMeshSceneProxy::GetDynamicMeshElements() hierarchicalinstancedstaticmesh.cpp:1431
UE - Graphics Features - Jan 10, 2018Currently no user comments on crashreporter Similar issue crashing in landscape file: [Link Removed] Logged this issue separately but wanted to provide that information. ...
[CrashReport] UE4Editor_Renderer!FProjectedShadowInfo::AddSubjectPrimitive() [shadowsetup.cpp:793]
UE - Graphics Features - Oct 2, 2017This is a trending crash coming out of the 4.18 Preview. User Descriptionsadded a directional light Source Context 779 const FPrimitiveSceneProxy* Proxy = PrimitiveSceneInfo->Proxy; ...
Crash opening animation assets with Morph Targets
OLD - Anim - Jul 29, 2016REGRESSION: YesWORKING: 3068867BROKEN: 3069877 Crash occurs when the user opens an animation with Morph Targets in Persona. ...
Crash when launching 4.14.2 in cmd window with -dx12 argument
UE - Graphics Features - Jan 3, 2017Launching the editor with DX12 from a command window is crashing the engine. Note Crash occurs on Nvidia version 376.19 and does not occur on 376.33 This is a Regression ...