Unreal Engine Issues
Unreal Engine Issues
FCableSceneProxy::BuildCableMesh thrashes memory allocator
UE - Simulation - Physics - Feb 12, 2025FCableSceneProxy::BuildCableMesh in CableComponent.cpp:233 showed up as a hot spot in profiling because the two TArray allocators in SetDynamicData_RenderThread used by BuildCableMesh are created an ...
Wobbling effect on meshes
UE - Graphics Features - May 31, 2022Weird wobbling rendering artifact are generated on the surface of the Mesh located far from the origin. ...
Crash occurs when compiling in Editor after editing a C++ file
UE - Foundation - Cpp Tools - Hot Reload - Jan 5, 2021Crash seems inconsistent, doesn't seem to happen every time. You may have to change the variables and re-compile through the editor a few times to get it to trigger. The crash did occur for me when ...
Loading a blueprint that uses the GetOptions meta data causes an ensure
UE - Gameplay - May 6, 2020Loading a blueprint that uses the GetOptions meta data causes an ensure ...
Crash when reimporting SkeletalMesh with custom LOD
UE - Editor - Content Pipeline - Import and Export - Oct 29, 2021In the case of "Reimport Base Mesh + LODs", there is no crash. ...
OnMovieClipFinished returns the incorrect movie name
Tools - Jun 29, 2017When OnMovieClipFinished is called, it will return the name of the movie clip that is about to be played rather than the clip that had just finished. Regression: Yes This did not occur in 4.15.3 B ...
Changing foliage quality during runtime crashes editor/game
UE - World Creation - Worldbuilding Tools - Foliage - Oct 25, 2017Editor will crash if a foliage type has Enable Scaling Density checked and user changes Engine Scalability Setting for Foliage during Runtime. Alternatively, if Foliage Quality is changed using a B ...
Crash in Debug Camera (patch provided in comment !)
UE - Gameplay - Feb 12, 2019Hello, A licensee has reported us a crash in DebugCameraController / DebugCameraHUD. It is due to a missing check in ADebugCameraHUD::PostRender() of SelectedActor set in ADebugCameraController ...
Array index out of range with StopTree
UE - AI - Mar 26, 2019Crashes when exiting PIE while executing multiple async tasks. By explicitly executing EndTask and FinishAbort of RecieveAbort, this caused by performing out-of-range in array access to InstanceStac ...
Packaged content hangs when relaunching on Oculus Mobile device after Closing the application
UE - Audio - Apr 9, 2019This does not occur with some previously packaged First Person templates that were on the device still namely one from //UE4/Dev-VR 4.21.0 @CL 4277723 It also does not occur with other apps on the ...