Unreal Engine Issues
Unreal Engine Issues
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 ...
Interchange: Forcing "Bind Pose Time Zero" to true doesn't always give good result
UE - Editor - Content Pipeline - Import and Export - Nov 6, 2024When using the legacy fbx importer with time zero option to true the skinning is good. So its a regression. Would be awesome if it can be fix in 5.5.1 ...
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. ...
Crash adding preview scene profile from skel mesh editor and removing it from anim blueprint editor
OLD - Anim - Apr 14, 2017REGRESSION: Yes, does not occur in 4.15 Crash occurs when the user adds a Preview Scene Profile while in the animation or skeletal mesh editor, and then removes it while in the animation blueprint ...
If PVRTexToolCLI is not executable, invalid texture data is used and crash results when launching on device
UE - Platform - XR - Jul 5, 2017Synced the code on Windows and transfered to Mac, the file PVRTexToolCLI lost its executable permission bits... UE4 couldn't run the tool, but carried on processing anyway, processing invalid textur ...
ACineCameraAttachMount's "Target Actor" constraint does not work with Spawnables or Replaceables in Sequencer
UE - Virtual Production - Tools - Virtual Camera - Aug 12, 2025Constraints (UTickableConstraint) are usually created throuh the "Animation" tab available in the Editor's "Animation Mode". When created through that interface while Sequencer is open, the internal ...
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 ...
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 ...