Unreal Engine Issues
Unreal Engine Issues
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. ...
Mac - After clicking, the the Mouse position resets
UE - Platform - Apple - Dec 17, 2019Unexpected behavior with mouse position on Mac If 'Show Mouse Cursor' is true the problem does not occur. Catalina 10.15.1 ...
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 ...
Metdata 'ForceAsFunction' does not prevent conversion to event
UE - Framework - Blueprint Editor - Mar 6, 2025Quote from the UDN: This is easily fixed with a conditional in bool FBlueprintEditor::ConvertFunctionIfValid(UK2Node_FunctionEntry* FuncEntryNode) which we've done locally, but should probably be ...
Editor Utility Nested in Expandable Area Causes Editor Crash
UE - AI Workflows - UI Systems - Dec 15, 2022A 'user-created' widget in the body of an Expandable Area of an Editor Utility Widget causes a crash, after selecting 'Run Editor Utility Widget'. ...
Ensure clicking on the floor mesh in Anim Blueprint preview
OLD - Anim - Jan 18, 2017REGRESSION No, occurs in 4.14.3 Ensure occurs if the user clicks on the floor mesh in the Animation Blueprint viewport. ...