Unreal Engine Issues
Unreal Engine Issues
Button for Swap Paint Color and Erase Color Disappeared.
Tools - Aug 2, 2017In 4,15, we can use button for swap paint Color and erase color. But, in 4.16 and 4.17, it disappeared ...
Custom event parameter set to 0 by default
UE - Gameplay - Blueprint - Aug 14, 2017Default parameters do not appear to be retained for custom events. This was tested in 4.17 and the issue does not occur in 4.16. Appears to be a regression ...
UStaticMeshComponent.PreviousLODLevel always returns 0
UE - Graphics Features - Aug 30, 2017The UStaticMeshComponent.PreviousLODLevel variable always returns 0 no matter what the last LOD actually was. Regression?: No This also occurred in 4.16 ...
Renaming a Blueprint variable loses override in grandchild Blueprint
UE - Gameplay - Blueprint Compiler - Nov 26, 2019Renaming a Blueprint variable loses override in grandchild Blueprint. Modifying and saving the BP_Child fixes the issue with BP_Grandchild losing overrides. ...
Stationary directional light per-object shadows not working with origin rebasing
UE - Graphics Features - Dec 2, 2019Not 100% clear if this is a bug or expected behaviour, but raising it as it needs looking it. Can't see it as fixed elsewhere. Confirmed broken in 4.24 too. ...
FFT corruption in bloom from sampling outside of viewport
UE - Graphics Features - May 27, 2021Licensee has suggested a fix: "Switching to >= resolves the problem: in GPUFastFourierTransform2DCore.ush, `bool InWindow = ...` at lines 127, 144, 170, and 185." ...
Splitscreen View2 influences translucency in view 1
UE - Graphics Features - Sep 2, 2021The videos + screenshots in the zip file show the issue on the modified gun sight. The licensee has provided a suggested fix here -[Link Removed] ...
Custom data update crash - invalid memory when removing an instance from a UHierarchicalInstancedStaticMeshComponent
UE - World Creation - Worldbuilding Tools - HLOD - May 3, 2022This is a race condition, did not crash with -onethread. Attached the collected threaded callstacks, although they look misaligned. Licensee has provided a suggested fix. ...
LevelInstance: Editor Texture Streaming (UDN)
UE - World Creation - Worldbuilding Tools - Level Instances - Aug 14, 2023Further investigate and fix Editor Level Instance texture streaming data update which currently isn't being updated when moving a Level Instance in the editor. ...
Cannot copy from the message log when building with Clang
UE - Editor - Jan 8, 2024This was disabled for clang a long time ago in CL 3019423 due to a codegen crash but seems like the bug is fixed now ...