Unreal Engine Issues
Unreal Engine Issues
"showdebug abilitysystem" shows incorrect attribute stats for debug target
UE - Gameplay - Mar 11, 2020When using 'showdebug abilitysystem' and switching debug target actor with Page Up and Page Down. It will not change to show the debug attributes info for the new target. The debug will still only s ...
[Reverb][Regression] - The Reverb Effect in World Settings Does Not Update When Loading New Levels
UE - Audio - Mar 12, 2021When loading a new level via the Open Level node in Blueprints, the World Settings do not update the Applied Reverb Effect. When trying to reproduce the issue in 4.25.4, issue did not occur (the r ...
Override Game Mode in Media Render Queue does not work properly
UE - Anim - Sequencer - Jun 21, 2021This problem behaves differently between Local and Remote Render when Game Mode is set in Override. ...
Virtual Bones Are Not Retained in Retargeted Animation Aim Offsets
UE - Anim - Rigging - Retargeting - May 13, 2022Occurs 5/5 times Virtual Bones are not retained in Retargeted Animation Aim Offset. Regression does not occur as UE5 Manny assets are not available for retargeting before UE5. ...
Editor crashes when keying a frame to an Animation from Pose with Appended Frames
UE - Anim - Runtime - May 17, 2022This is a regression. Tested in //UE4/Release-4.27 CL18319896 Editor crashes when keying a frame to an Animation from Pose with Appended Frames. ...
Collision between physicalized actors and instanced static meshes produce warnings.
UE - Simulation - Physics - Sep 25, 2023Collision between an instanced static mesh and a physics simulating actor (with "simulation generates hits events" enabled) results in the following warning: LogChaos: Warning: Collision handler en ...
Disabling bLerpUVs in Nanite Settings of Static Mesh causes texture warping in clusters
UE - Graphics Features - Nanite - Jan 21, 2025The licensee has identified a potential fix by changing if( Settings.bLerpUVs ) to if( Settings.bLerpUVs || UVIndex == 0 ) On line 389 of NaniteBuilder\Private\Cluster.cpp in UE 5.5 ...
Distance Field AO from Moveable Skylight (non-Lumen) invalidates AO incorrectly with a screenspace offset to the right of moving objects
UE - Graphics Features - Mar 25, 2025When Global Illumination is set to “None” in the project settings the ambient occlusion does not correctly render shadows for moving objects. This has been observed in versions 5.4 and above. ...
Editor crash when building lighting and world partition minimap
UE - World Creation - Worldbuilding Tools - World Partition - Apr 17, 2025It is possible for an editor crash to occur if a build is running (Lightmass in this case) and another is launched such as Build World Partition Minimap (as well as HLOD and Spline builders). This i ...
Spline Array created in code cannot be edited in a blueprint
UE - Gameplay - Components - Apr 20, 2015If a TArray of spline components is created in code it is not possible to edit/add nodes to the spline inside a blueprint. ...