Unreal Engine Issues
Unreal Engine Issues
InitializeAnimScriptInstance may only need to be called if the mesh actually changes when restoring state in Sequencer
UE - Anim - Sequencer - Sep 23, 2021The fix for FURY-149 reinitializes the anim bp whenever the animation section restores state, it may only be necessary to reinitialize it if the skeletal mesh changes. ...
The transform of a Virtual Bone can be changed in the Skeleton but isn't preserved
UE - Anim - Runtime - Jan 23, 2023This is not a regression. Tested in //UE5/Release-5.0 CL20979098 The transform of a Virtual Bone can be changed in the Skeleton but isn't preserved this has caused some confusion with users. ...
Large brush sizes causes hitching in Landscape Sculpt mode
UE - Graphics Tools - Terrain - Landscape - Jan 19, 2023In my case I used the erosion brush and smooth brushes. Not a regression checked in Version: 5.1.0-23058290+++UE5+Release-5.1 ...
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. ...
Components derived from scene component reset vector location upon closing and re-opening editor
UE - Gameplay - Blueprint - Jun 7, 2016Components derived from scene component reset vector location upon closing and re-opening editor. This does not happen to scene components or other child components within a blueprint. Regression ...
[CrashReport] UE4Editor_Landscape!ULandscapeInfo::UpdateLayerInfoMap() [landscape.cpp:1459]
UE - LD & Modeling - Terrain - Landscape - Aug 22, 2017This is an intermittent crash occurring in the 4.17 release. Users have not provided any descriptions of their actions when the crashes occur. Source Context 1444 LayerSettings.bVa ...
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/ ...
Network profiler crash
UE - Networking - Aug 6, 2020Running with the -networkprofiler command line argument can crash the server on the first engine tick in FNetworkProfiler::TrackFrameBegin because the file writer archive hasn't been created yet. ...
NavLinkCustomComponent fail to register if loaded with the level
UE - AI - May 29, 2015NavLinks are failing to work due to UNavLinkCustomComponent::OnRegister being called before the creation of the UNavigationSystem. This results in the NavLinkUserID remaining 0 and the link never tr ...
"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 ...