Unreal Engine Issues
Unreal Engine Issues
Regression: FGameplayTag and FGameplayTagContainer pin value modification is not undo/redoable
For nodes with an FGameplayTag or FGameplayTagContainer pin, when changing the tag value (Pin->DefaultValue) and triggering Undo/Redo, the pin modification is not undone. Rather, it undoes the previ ...
ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced
UE - Rendering - Architecture - Materials - Apr 16, 2024ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced (e.g. RegisterIndex of the texture is [3] or [7]) because FMeshRenderer::RenderMaterialTexCoordScales() use ...
Ocean spline impacting landscape way outside of its bounds
UE - Graphics Tools - Terrain - Water - Oct 4, 2024From licensee: "[...] it seems that regardless of our settings and how far away the control spline is from the landscape edge, one corner of the landscape will always be impacted by the falloff and ...
It is not possible to export virtual layer masks (AI or from mesh) through the COLMAP exporter.
RS - MVS - Jan 8, 2026Found in 2.1.0.119011 (R210). The mask export doesn't work even when the masks are regenerated from the mesh. Outcome: Error appears: "The filename, directory, or volume label syntax is incorrect ...
Child Actor Component outputs error when child class is set to empty using blutility
UE - Gameplay - Blueprint - Nov 30, 2017Child Actor Component outputs error when child class is set to empty using blutility I attached repro proj. ...
AddTimedDisplay causes crash when changing level
UE - Gameplay - Dec 8, 2022RemoveAfterSecondsLambda in AddTimedDisplay function may access released memory during level transitions. The following workaround works : void UViewportStatsSubsystem::AddTimedDisplay(FText Text, ...
Slate Post Buffer does not work correctly when changing Default Back Buffer Pixel Format
UE - AI Workflows - UI Systems - Slate - May 20, 2024Buffer Visualization for DecalMask is missing
UE - Graphics Features - Feb 29, 2016The Buffer Visualization for DecalMask is no longer an option. Also, when looking at the Buffer Visualization Overview the DecalMask slot has been removed. See attached image for comparison Worke ...
Crash when TSR history separate translucency enabled
UE - Rendering - Features - Mar 1, 2023Crash entering PIE without Magic Leap SDK referencing delayhlp.cpp:323
UE - Platform - XR - Jan 31, 2019Editor crash when PIEing without ML SDK installed on machine. This did not occur at the same CL on a P4 build. This did not occur on a machine with the ML SDK installed. Does not occur in //UE4/Re ...