Unreal Engine Issues
Unreal Engine Issues
Material overrides not respected when generating HLODs.
UE - World Creation - Worldbuilding Tools - HLOD - Oct 1, 2024When generating HLODs, it is possible for the generator to ignore material override settings. The generator will not respect the constants, and does not change them in the Material with a default se ...
Cascade Shadow Map octree not handling new max world size
UE - Graphics Features - Jul 21, 2025Cascaded Shadow Maps do not use the proper world size for octree culling. At far distances, the shadows are always culled. ...
Android ETC2 Debug Builds Crash on Startup
UE - Platform - Mobile - Sep 9, 2020Android apps build with the debug configuration on ETC2 will crash on launch. ...
When playing matinee, scrubbing can cause sound to keep playing when it isn't triggered
UE - Audio - May 31, 2016When playing matinee, scrubbing can cause sound to keep playing when it isn't triggered Note: This was entered as a bug to re-work the fix from the pull request found here: [Link Removed] ...
Unreal Editor 5.4.4 crash when reproducing a LevelSequence in loop while PIE.
UE - Anim - Sequencer - Sep 9, 2024A crash inside Unreal Engine Editor version 5.4.4 occurs when reproducing a Level Sequence while in PIE. This issue is a regression. It only crashes in version 5.4.4. It was working correctly in ver ...
Crash when using Ctrl+Z to undo a single digit change in the size of a widget
UE - Anim - Sequencer - Feb 21, 2017When trying to undo a single digit change the editor will crash. For example, if a user highlights and replaces a single number in the size of a widget and then attempts to undo, the editor will cra ...
Regression - Nav mesh is not generated on BSP brushes after loading a map
UE - AI - Navigation - Dec 18, 2024In UE 5.5, when loading a map and selecting "Build – Build Paths", the nav mesh is not generated on any BSP brushes (although it is correctly generated in static meshes). This did not happen in earl ...
Regression - Nav mesh is not generated on BSP brushes after loading a map
UE - AI - Navigation - Jan 14, 2025In UE 5.5, when loading a map and selecting "Build – Build Paths", the nav mesh is not generated on any BSP brushes (although it is correctly generated in static meshes). This did not happen in earl ...
Multi Sphere Trace is not returning the correct Impact Location
UE - Simulation - Physics - Jan 19, 2015Multi Sphere Trace is not returning the correct Impact Location. Other AnswerHub Report:https://answers.unrealengine.com/questions/30952/multisphere-trace-fhitresult-location-same-as-impa.html ...
Lighting channels not working as expected when enabling Ray Tracing Shadow
UE - Graphics Features - Lumen - Oct 13, 2020Non-Ray Tracing Shadows are only cast from lights on meshes assigned to the same Lighting Channel. When enabling Ray Tracing Shadows this is not the case. Lights will still cast Ray Tracing Shadows ...