Unreal Engine Issues
Unreal Engine Issues
Color Picker window closes when selecting objects in the viewport with the Eye Dropper Tool
Tools - Apr 13, 2017The color picker window stays open if the Eye Dropper tool selects color from anywhere other than the viewport. The color is captured in the color picker before it closes, but makes it a nightmare t ...
Numerous LogMetal: Warning: AsyncCopyFromBufferToBuffer on overlapping ranges Warnings
UE - Graphics Features - Mar 13, 2018Numerous LogMetal: Warning: AsyncCopyFromBufferToBuffer on overlapping ranges Warnings Warnings do not appear to be linked to any visual/performance problems in the editor. Could be safely ignored. ...
UMG Slider displays long or wrong percentages when Step Size is set to 0.1
UE - Editor - UI Systems - Apr 24, 2020When the Step Size is set to 0.1 for a Slider and Slider value is multiplied by 100, it will display weird numbers when moving the slider back from 100%. Changing the Step Size to 1 and changing th ...
Masked areas render as black if material uses any virtual texture
UE - Graphics Features - Jun 9, 2021Masked materials that sample virtual texture don't function correctly. They render black instead of masked. This happens when there is no depth pre pass enabled. Automatically enabling depth pre p ...
Using High Resolution Screenshot while the viewport is in Full Screen causes massive performance issues after the screenshot is successfully taken until the Editor is restarted
UE - Graphics Features - Jan 6, 2022This is a regression. Maybe Binary only if it hasn't already been fixed. Tested in:StreamCLTypeResults//UE5/Main18386535PerforcePerformance is normal after screenshot//UE5/Main18218925Perforce Per ...
Debug display of TargetingSelectionTask_AOE with cylinder is unnaturally tilted
UE - Gameplay - Gameplay Ability System - Oct 30, 2024The following code fixes the tilt : void UTargetingSelectionTask_AOE::DebugDrawBoundingVolume(const FTargetingRequestHandle& TargetingHandle, const FColor& Color, const FOverlapDatum* OverlapDatum) ...
Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.* test cases fail in headless mode due to stylus error log.
UE - Graphics Tools - Modeling Tools - Jan 15, 2025Hello! In UE 5.5 Preview, new stylus code was introduced, which can cause a test failure in an unrelated test suite, Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.*. The test indirectly ...
GLTFExporter indexing issue
UE - Editor - Content Pipeline - glTF - May 29, 2025Hi, I also ran into an issue when exporting a skeletal mesh that has multiple sections that all share the same material slot. It looks like the index buffer that's constructed is incorrect. In GLTF ...
Soft angular constraints solve velocity like hard constraints
UE - Simulation - Physics - Jul 17, 2025Soft angular constraints are solving velocity like hard constraints. Instead of swinging back and forth, the affected body just snaps to 45 degrees. Check the steps to reproduce for more details. Th ...
[CrashReport] UE4Editor_Engine!UEdGraphPin::Modify() [edgraphpin.cpp:619]
UE - Gameplay - Blueprint - Aug 29, 2017This is an infrequent crash coming out of the 4.17 release. User DescriptionsNICE PIN FIX NOW I CANT ADD VARIABLES NORMALLY Source Context 612 void UEdGraphPin::SerializeAsOwningNode(FArch ...