Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_TextureFormatDXT!__delayLoadHelper2() [delayhlp.cpp:323]
UE - Graphics Features - Nov 3, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Unknown exception - code c06d007e (first/second chance not available) Source ...
[CrashReport] UE4Editor-Core.dylib!FThreadStats::FThreadStats()
UE - Graphics Features - Nov 17, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: SEGV_MAPERR at 0x0 Source Context:N/A Most recent user affected CL: 3195953 ...
Pixel Depth not Working on Mobile when used with Custom Depth
UE - Platform - Mobile - May 4, 2017A licensee is reporting incorrect results when using the Pixel Depth expression and Custom Depth. Custom Depth is working fine, but when combined with Pixel Depth the results are quite different fr ...
Metal SM5 shader code cannot be viewed in the Editor on Mac
UE - Platform - Mobile - Aug 24, 2018The Metal SM5 shader code cannot be viewed in the Editor for a Material. Prior to 4.20, only HLSL Code could be viewed. In 4.20, a number of additional shader options were added, and they all work w ...
Missing texture assets cause warnings on editor start: LogStreaming: Warning: Failed to read file '../../../Engine/Plugins/Developer/PlasticSourceControl/Resources/Icon128.png' error.
UE - AI Workflows - UI Systems - Slate - Jan 7, 2025There are a number of missing texture assets which are failing to be read when the editor opens. This is causing a warning to be thrown each time the editor opens, potentially causing CI/CD tests (i ...
Adding SmartObjectZoneAnnotationComponent to a blueprint actor causes a crash when building the package
zComponent - Archive - Jan 30, 2025If placing an actor with SmartObjectZoneAnnotationComponent added to blueprint actor in a level, it will crash when the level open. As a workaround, adding SmartObjectZoneAnnotationComponent to the ...
FNiagaraRendererMeshes::GetDynamicRayTracingInstances(...) corrupting GPUScene when rendering multiple views
UE - Rendering - Features - Ray Tracing - May 20, 2026When rendering a game in splitscreen using Lumen HWRT, Nanite and a large number of Niagara Mesh Particles 1mil+, various meshes and actors will stop rendering. Setting r.RayTracing.Geometry.Niagar ...
TAutoPtr uses default copy / move constructors which can cause dangling references.
UE - Foundation - Core - Aug 2, 2016TAutoPtr uses default copy / move constructors which can cause dangling references. This means there are a number of cases (copying auto pointers in inner scopes, passing auto pointers by value, et ...
WmfMedia: Cannot load media with multiple tracks of the same type
Media Framework - Aug 31, 2016The currently implementation of WmfMedia player initialization is incorrect in that it creates a playback topology that includes all source tracks, but some of them are disabled. The intent was to e ...
[CrashReport] UE4Editor_Landscape!ULandscapeInfo::UnregisterActor() [landscape.cpp:1856]
UE - LD & Modeling - Terrain - Landscape - Sep 21, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: LandscapeActor.I ...