Unreal Engine Issues
Unreal Engine Issues
In blueprint component details not showing after changing component class
UE - Gameplay - Blueprint - Mar 31, 2022It was noticed that after changing the class of the component and restarting the editor, the Detail panel is no longer displayed, which makes it impossible to work with it. Repro Rate 5/5 Regressi ...
Some fractured meshes do not retain their original normals after fracture
UE - Simulation - Physics - Destruction - May 6, 2022Fractured meshes with weird Normals/Reflections. You will see weird normals / reflections on the surface, seems each fracture piece has it's own reflection angle. Repro rate: 3/3 Tested this in // ...
Panorama plugin for Movie Render Queue renders black images
UE - Anim - Sequencer - MRQ - Dec 15, 2022Regression: Tested in UE5/Release-5.0, and the issue does not occur, so regression is yes This issue also occurs when you set "Enable alpha channel support in post processing (experimental)" to "Al ...
Atmosphere related scan line artifacts for Path Tracer with MGPU
UE - Graphics Features - Path Tracer - Feb 10, 2023There are two UDNs related to this issue. It makes the Path Tracer unusable with MGPU, with atmosphere enabled. I already have a one-line fix implemented and tested. The atmosphere scan line arti ...
Source Textures used with a Rect Light are blurry and diffused
UE - Graphics Features - Mar 14, 2023This is a regression from 5.0.3 tested in the following streams:BranchChange ListResults//UE5/Release-5.020979098Did not reproduce//UE5/Release-5.123901901Reproduced//UE5/Release-5.224608918Reproduc ...
Ensure in GatherSubobjectData
UE - Gameplay - Nov 27, 2023An ensure in GatherSubobjectData is being hit under certain inheritance conditions. This appears to be similar and potentially related to [Link Removed] and the fix at CL 16377852. Stepping through ...
Serialized Blueprints containing MIDs do not load correctly in packages.
UE - Rendering Architecture - Materials - May 8, 2024This issue is an easy fix but raises a different problem which is likely ingrained in UE, which is that MIDs should not be serialized out and should always be transient. Unfortunately we are in a po ...
[CrashReport] UE4Editor_MediaAssets!UMediaPlayer::GetPlaylistRef() [mediaplayer.h:890]
Media Framework - Jul 19, 2018Comment from user:double clicked on a media player asset that I just cloned 880 /** 881 * Get the current play list. 882 * 883 * @return The play list. 88 ...
[CrashReport] UE4Editor_Sequencer!FSequencerEdMode::CleanUpMeshTrails() [sequenceredmode.cpp:186]
UE - Anim - Sequencer - May 30, 2017This is a top crash occurring in the 4.16 release. Despite the callstack occurring in Sequencer, many users are experiencing this crash while working in UMG. User Descriptionsscaling track in widge ...
[CrashReport] UE4Editor_Engine!FExpressionInput::Connect() [materialshared.cpp:129]
UE - Graphics Features - Jan 26, 2018User comment from crash group:Saving a material layer blend asset. ...