Unreal Engine Issues
Unreal Engine Issues
Skeletal Mesh component that uses Anim BP does not translate after swapping root bone on particular Anim section in Sequencer
UE - Anim - Anim in Engine - Apr 19, 2023Repro Rate: 5/5 Regression: Unconfirmed - Functionality is not implemented in previous version Skeletal Mesh with default slot Anim BP applied does not translate after Swap Root Bone on particular ...
Add sanitization code surrounding RigidBody + RigidBodyDynamic flags
UE - Simulation - Physics - Jul 20, 2016PhysX throws warnings (which are escalated to errors) when CCD and Kinematic are in invalid states (they can only be enabled exclusively). The code to fix this has already been submitted, but may c ...
FBX export from UE4 with multiple materials the UV is corrupted
Tools - Apr 18, 2016When exporting a Static Mesh from within UE4 that has multiple materials, some of the material IDs will be condensed into a single ID which will mess up how the material assignment for that part of ...
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. ...
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 ...