Unreal Engine Issues
Unreal Engine Issues
When ParallelExecutor is enabled, Japanese build output of VisualStudio garbled
UE - Foundation - Cpp Tools - Sep 19, 2018From UE4.20, Japanese build output of VisualStudio garbled. Below is a comparison between 4.19 and 4.20. ・4.19.2 1>------ すべてのリビルド開始: プロジェクト:MyProject3, 構成:Development_Editor x64 ------ 1> Clea ...
Crash in FMovieSceneNumericVariant::Set when loading a Level Sequence with Custom Time Warp on Android
UE - ACT Character - Sequencer - Aug 14, 2026On Android, loading a Level Sequence fatals in the async loading thread: Assertion failed: (NewValue & ~PAYLOAD_Bits) == 0 MovieSceneNumericVariant.cpp:133 Unable to store a pointer outside of a ...
[CrashReport] FMacWindow::ApplySizeAndModeChanges | SWindow::ReshapeWindow()
UE - Platform - Apple - Dec 1, 2017This is an infrequent Mac crash in 4.18. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to both [Link Removed] and [Link Removed] Call ...
Attempting to build lighting in project crashes editor
UE - LD & Modeling - Terrain - Landscape - May 18, 2016Attempting to build lighting in user's project crashes editor. Frequency: 3/3 CrashReporter: N/A ...
Crash when fast moving Character objects has Teleporting enabled
UE - Runtime - Simulation - Nov 28, 2022Reproduced 3/3 times. Issue does not occur in //UE4/Release-4.27, so Confirmed Regression. ...
Editor crashes when actors using child actor component are loaded while Static mesh actor filter is enabled in the outliner
UE - Editor - Dec 5, 2022Reproduced 3/3 times. Unclear whether this is a regression as filter GUI is new in 5.1 for Outliner. ...
Creating "Level Sequence with Shot" with spawnable cameras creates duplicate cameras
zComponent - Archive - May 31, 2023This is not a regression as it does occur in //UE5/Release-5.1 @ CL 23901901 Repro Rate: 3/3 times ...
NiagaraEditor timeline folders are not saved correctly
UE - Rendering - Architecture - Niagara - Feb 8, 2023It works correctly in 5.0.3. ...
Crash trying to delete an actor after undo/redo adding a component
Tools - Feb 1, 2017Not a regression as it occurs in 4.14.3 ...
Niagara Emitter editor forgets Timeline playback ranges
UE - Niagara - Sep 14, 2020This seems to only affect an emitter and not a system asset. ...