Unreal Engine Issues
Unreal Engine Issues
Invalid access location compressing a BC6h texture in the editor
RAD - Oct 29, 2024Large texture crashes during Oodle compression with "-stompmalloc". It appears to be an internal Oodle error. Also tested on //UE5/Release-5.5/, CL: 37463908 ...
Unable to change Actor Coloration View Modes in PIE
UE - World Creation - Worldbuilding Tools - Jul 20, 2025When in PIE changing Actor Coloration view modes from the viewport visualisation mode [Liit] -> [Actor Coloration] -> ... Does not update correctly when switching view mode and sometimes isn't corr ...
App crashes when executing 'Export to Disk' node on Android
UE - Platform - Mobile - Aug 11, 2020Regression is unconfirmed ...
Crash caused by a race condition in Nanite::DispatchBasePass()
UE - Rendering - Graphics Features - Nanite - Feb 25, 2026Nanite::BuildShadingCommands() launches two asynchronous tasks: ShadingCommands.SetupTask ShadingCommands.BuildCommandsTask BuildCommandsTask is responsible for modifying ShadingCommands.Commands ...
Crash on exit PIE when playing with more than one player on Linux
UE - Platform - Linux - Oct 3, 2016When playing in non-single player game in the editor (either set # players or check dedicated server checkbox), the editor will crash when the play session ends. Regression: Yes - editor does not c ...
Opening a widget blueprint on Linux causes editor to crash
UE - Platform - Linux - Aug 25, 2016The editor crashes when attempting to open a widget blueprint. ...
Clean DocumentDB setup fails indexing
UE - Foundation - Horde - Server - Feb 21, 2025Source [Link Removed] The user has encountered the error log: MongoDB.Driver.MongoCommandException: Command createIndexes failed: Implicit collection creation not supported when creating indexes I ...
Editor crashes when importing alembic asset
UE - Gameplay - Aug 28, 2016Editor crashes when importing Alembic material asset. The editor will crash once selecting the asset in Windows explorer, before the Import Options window appears. When testing this, we had an ave ...
Collision build of LiDAR point cloud assets at runtime does not apply
UE - Editor - Content Pipeline - Datasmith - Oct 24, 2023Collision build at runtime for LiDAR point cloud does not apply. This applies to Editor and Standalone. If you do not allow collision builds at runtime, this module should not be available at runtim ...
Character No Longer Able to Use Nav Link After NavMesh Update
UE - AI - Feb 10, 2017Causing a Nav Mesh update, such as by moving an actor into the NavMesh that will create a hole, seems to be breaking Nav Link Proxies by preventing characters from being able to use them. ...