Unreal Engine Issues
Unreal Engine Issues
AllowAsyncRenderThreadUpdatesEditorGameWorld/AllowAsyncRenderThreadUpdatesEditor CVars are off by default and unsafe in Niagara
UE - Niagara - Mar 4, 2025This user made a github pull request: [Link Removed] but it was auto rejected. I think that we can consider taking their fixes, but keeping it disabled by default. ...
Crash in Hand IK Retargeting with two entries under "IKBones to Move"
UE - Anim - Rigging - Feb 28, 2017Crash in Hand IK Retargeting with two entries under "IKBones to Move" Only seems to happen when you have a hand bone in the second slot of "IKBones to move" ...
Access Violation crash deleting a Widget Blueprint with an unsaved Animation track - FSequencer::Tick()
UE - Anim - Sequencer - Jun 19, 2017Encountered an Access Violation crash while deleting an Widget Blueprint with an unsaved Animation Track. The callstack references FSequencer::Tick(). I was not able to reproduce this issue in UE4/ ...
Shooter Game Demo Controls have no Textures (Rendering White)
Docs - Samples - Jun 11, 2015The Textures for the Demo play bars in Shooter Game are rendering White in 4.8.0 release, appears fixed in Main Promotable-CL-2581018. ...
"Snap to Target, Keep World Scale" when attaching doesn't work properly if parent is scaled.
UE - Gameplay - Nov 11, 2015See UDN thread, which includes suggested fix. https://udn.unrealengine.com/questions/267677/attachactortocomponent-scale-issue-with-scaled-com.html ...
Cannot render more than one shot in a Master Sequence
UE - Anim - Sequencer - Oct 17, 2016Cannot render more than one shot in a Master Sequence Regression: YES Worked: 3164219 4.14 Releases Broken: 3164583 4.15 Dev-Sequencer ...
Reimporting a static mesh with modified material LODs does not update the materials correctly
Tools - Mar 9, 2017In Main the cube Section0 LOD material is replaced with the DefaultGrid material which is also not expected. This appears to be a regression from 4.15 based on the test execution history. ...
Setting Default Server map resets Default Game Mode to GameModeBase
UE - Foundation - Core - Apr 13, 2017REGRESSION: Yes, doesn't occur in 4.15 When the user modifies the server default map it resets the game mode in DefaultEngine.ini This occurs on both Mac and Windows. ...
Material Preview for Post Process Material Does not display in Material Editor
UE - Graphics Features - May 19, 2017In the Material editor for when working with a Post Process Material, the material does not appear in the preview window. Regression: This issue does not occur in 4.15.2 Binary Builds ...
Cannot navigate through options in combo box
UE - Editor - UI Systems - May 31, 2017Cannot navigate through options in combo box with the default navigation. This appears to be a regression. Working as expected in 4.15.3 No longer working as expected in 4.16 ...