Unreal Engine Issues
Unreal Engine Issues
Window to select Skeletal Mesh does not pop up when editing a new IK asset
UE - CAPT - Retargeting - Apr 26, 2023When opening a new IK rig, the window that prompts the user to select a skeletal mesh does not open immediately. However, a skeletal mesh can still be selected in the details panel in the IK window. ...
[CrashReport][GPU Crash] UpdateRadianceCaches
UE - Graphics Features - Nov 19, 2024Tracking for this issue has moved to [Link Removed] because this is a duplicate issue. A GPU crash may occur during UpdateRadianceCaches. No known repro exists. Additional details in comments. La ...
Torque curve makes no difference on vehicle movement
UE - Gameplay - Blueprint - Sep 11, 2015When changing the Torque Curve in a Wheeled Vehicle's Vehicle Movement Component, the values set don't affect the torque of the vehicle. ...
"Content Examples" project's navmesh crashes editor
UE - Gameplay - Nov 5, 2014In UE4.5, Opening a Content Examples project and opening the "NavMesh" level, selecting "SM_DemoCube" and moving it results in the editor crashing according to user. ...
Crash when testing a sound in UMG that has been added to an audio track for an animation
UE - Editor - UI Systems - May 25, 2016The editor crashes when testing an animation that has an audio track containing a wave sound. ...
Actors in Level Sequence in a World Partitioned level do not move
UE - World Creation - Worldbuilding Tools - World Partition - Jan 11, 2023Regression: Tested in UE5/Release-5.0, this issue does not occur so it is a regression This issue occurs when the cube has "Is Spatially Loaded" enabled in Details as well as when the cube is added ...
Static lights become stationary after toggling visiblity of level in packaged build
UE - Rendering - Graphics Features - Jun 11, 2025In 5.5, there is a regression with baked lighting where static lights become stationary lights when a level is hidden and then made visible again. This happens in packaged builds and shows up as sta ...
Local Variable loses value after reference moves file location
UE - Gameplay - Blueprint - May 23, 2017Local Variable loses value after reference moves file locations. This does not just affect construction scripts, following these steps with a function instead produced the same result. This issue do ...
[Audio Modulation] - Ensure is thrown when attempting to modulate a Source Effect at runtime
UE - Audio - Modulation - Sep 6, 2023Does *not* occur in editor. Only in standalone and runtime. Occurs when modulating Chorus or Bit Depth Also occurs in 5.2 and 5.3. I also noticed the test with this is supposed to set the chorus e ...
FHLSLMaterialTranslator::GetMaterialEnvironment can crash or not load UMaterialParameterCollections
UE - Rendering - Architecture - Materials - Apr 30, 2025In UE 5.5, the Editor may crash in FHLSLMaterialTranslator::GetMaterialEnvironment when loading materials with Material Parameter Collections, likely due to async loading. Calling ParameterCollectio ...