Unreal Engine Issues
Unreal Engine Issues
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 ...
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 ...
Open a level that contains instanced meshes (with built lighting) will crash the editor
UE - Graphics Features - Mar 14, 2015Open a level that contains instanced meshes will crash the editor. Per the users description, the level must have had lighting built and then another level loaded or the editor restarted. Once the ...
Foliage deleted in 4.6 and 4.6.1 appears in 4.7
UE - World Creation - Worldbuilding Tools - Foliage - Dec 23, 2014Foliage that has been deleted in 4.6 will return when a project is migrated to 4.7. ...