Unreal Engine Issues
Unreal Engine Issues
Editor preview window for CurveLinearColorAtlas does not automatically update when their CurveLinearColor asset is changed
UE - Graphics Features - Nov 12, 2024When the CurveLinearColor asset assigned to a CurveLinearColorAtlas is edited (e.g. change the colors of the gradient), the preview window of CurveLinearColorAtlas editor does not automatically upda ...
Enabling "ShowFlag.PhysicalMaterialMasks" causes editor crash when physical material masks aren't yet imported.
UE - Simulation - Physics - Dec 3, 2024When there is a physical material mask asset that has been created and applied to a mesh in the level without having a texture source imported yet, and then "ShowFlag.PhysicalMaterialMasks" is enabl ...
SetActorLabel() is slow on Landscapes
UE - Graphics Tools - Terrain - Landscape - Jan 7, 2025I've noticed calling SetActorLabel() on a Landscape will call PostEditPropertyChanged() which causes the Landscape Components to regenerate all collisions. As per the repro, this can take a long tim ...
MRQ - Long text comments in the MRQ burnin takes multiple frames to properly format
UE - Virtual Production - Tools - MRQ - Jan 18, 2025Long text comments in the MRQ burnin takes multiple frames to properly format. See slack thread here: [Link Removed] ...
DirectoriesToAlwaysCook in platform specific configuration files are ignored by the cook process
UE - Platform - Console - Sep 5, 2025When DirectoriesToAlwaysCook is placed in a platform-specific configuration file, the cook process does not read that entry when cooking content for that platform. The editor is aware of the platfo ...
Self Shadow enabled causes shadow artifacts
UE - Graphics Features - Sep 4, 2015Shadow artifacts will appears when the camera is moving towards a character or if playing will appears with the character if Self Shadow is enabled for the character. Sample video and image attache ...
Hang and Memory Spike when you create an endless loop in AnimBP Event Graph
OLD - Anim - Oct 27, 2015Hang and memory spike (that doesn't go away) when you create an endless loop in AnimBP. Blueprints have a safeguard against this when you try to PIE with an endless loop, but I think the Animation ...
Infinite Script Recursion error crashes editor and produces UnrealScript errors in logs
UE - Gameplay - Blueprint - Aug 14, 2015Macro that causes an infinite script recursion error crashes editor and produces errors in output log referring to UnrealScript. Frequency: 3/3 Crash Reporter; [Link Removed] ...
Memory leak in Shootergame
Docs - Samples - Jul 27, 2015Memory leak when leaving Shootergame open for extended sessions. ...
Importing skeletal meshes with uniform scale >1 causes rotation in skeletal mesh editor to improperly register
OLD - Anim - May 11, 2015If a skeletal mesh is imported with a uniform scale of >1, the rotation feature in Persona will not rotate bones at the proper ratio. The meshes rotation will slow down as the uniform scale increase ...