Unreal Engine Issues
Unreal Engine Issues
Keying rotation with quaternion interpolation can give unexpected results
UE - Anim - Sequencer - Jul 16, 2020Adding keys when quaternion interpolation is enabled can lead to unexpected results. ...
Switch Skeletal Mesh node crashes the editor if the blueprint is compiled.
OLD - Anim - Feb 8, 2016Switch Skeletal Mesh node crashes the editor if the blueprint is compiled after changing the mesh being called on node. Frequency: 3/3 CrashReporter: N/A NOTE: tied to [Link Removed], however on ...
[CrashReport] UE4Editor-AnimationBlueprintEditor!FAnimGraphConnectionDrawingPolicy::BuildExecutionRoadmap() [AnimGraphConnectionDrawingPolicy.cpp:27]
OLD - Anim - Jul 17, 2019Generated from CrashReporter Similar to [Link Removed] but in UE4Editor-AnimationBlueprintEditor ...
[CrashReport] UE4Editor-Landscape!ULandscapeComponent::FillLayer(ULandscapeLayerInfoObject *,FLandscapeEditDataInterface &) [LandscapeEditInterface.cpp:1898]
UE - LD & Modeling - Terrain - Landscape - Oct 11, 2019Generated from CrashReporter Unhandled exception ...
[CrashReport] UE4Editor_CoreUObject!StaticAllocateObject() [uobjectglobals.cpp:2305]
UE - Gameplay - Jan 24, 2018Comments from users:I was simply syncing my project with the git repository at the end of it, it crashed with this errorperforce resync ...
Excessive RVT page updates with Nanite and ClearCoat or Cloth shading model applied
UE - Rendering Architecture - Mar 31, 2025There is an excessive number of page updates when a Nanite landscape has a runtime virtual texture material applied to it with a shading model set to ClearCoat or Cloth (instead of Default Lit). The ...
Screen Space Widget Component offset in Editor Viewport when using Windows Scaling
UE - Editor - UI Systems - Jul 23, 2018Using Windows scaling above 100% now causes Screen Space 3D Widgets to be offset. (Pressing F11 for fullscreen or launching will cause widget to appear in correct location) ...
Datasmith re-import crash - UE4Editor-UnrealEd!UMaterialInstanceConstantFactoryNew::FactoryCreateNew
UE - Editor - Content Pipeline - Datasmith - Exporters - Feb 13, 2019From user:I'm getting repeatable crashes on re-imports after I've re-worked the models a bit in Max. The workaround now is to just delete everything from Unreal and do a fresh import, but as my o ...
Niagara Parameter Collection Overrides aren't working
UE - Niagara - Aug 20, 2020Parameter collection overrides defined in the Niagara system's System Properties do not work. In FNiagaraSystemSimulation::GetParameterCollectionInstance the return value of GetParameterCollectionO ...
Light Functions displayed on Large Translucent Meshes cause rendering errors
UE - Graphics Features - Sep 14, 2015Light Functions are stretching and flickering on large translucent surfaces. Translucents Surface:[Image Removed] Opaque Surface:[Image Removed] ...