Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor-CoreUObject.dylib!UObject::Rename()
UE - Platform - Apple - Sep 14, 2017This is an infrequent Mac crash that has occurred for a few users in 4.17. Users have not provided any description of their actions when the crash occurred. The callstack has a few similarities to ...
Crash when a floor mesh is removed while a Vehicle has SimulatePhysics disabled
UE - Runtime - Character - Sep 1, 2026When SimulatePhysics is disabled, the constraint update is skipped, so a reference to an invalid (already-removed) particle is left behind. As a workaround, the approach suggested by the licensee — ...
NVIDIA 5080 GPU Crash when launching City Sample with DX12
UE - Graphics Features - Lumen - Apr 16, 2025UPDATE This issue no longer reproduces on driver versions 580.88 and higher. City Sample game crashes immediately upon opening with a NVIDIA 5080 with the latest drivers as well as some previous dr ...
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 ...
SunTemple is washed out in one color on some Android devices.
UE - Platform - Mobile - Jan 16, 2017This was discovered during the 4.15 mobile compat. ...
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. ...
Even if the parameter is changed by specifying "NiagaraParameterCollectionInstance" in "ParameterCollectionOverrides", it is not reflected.
UE - Niagara - Jun 8, 2020It behaved properly in 4.24.3. ...