Complex morph target motion vectors flicker

UE - Graphics Features - Lumen - May 16, 2022

Morphing target flickers when switching between complex targets. This occurs when global illumination is set to Lumen. Per talk with analyst, it greatly improves when using SSR or None instead of Lu ...

Virtual Bones Are Not Retained in Retargeted Animation Aim Offsets

UE - Anim - Rigging - Retargeting - May 13, 2022

Occurs 5/5 times Virtual Bones are not retained in Retargeted Animation Aim Offset. Regression does not occur as UE5 Manny assets are not available for retargeting before UE5.    ...

Engine crashes when building GPU Lightmass in large scenes

UE - Graphics Features - May 12, 2022

Engine crashes when building GPU lightmass in larger scenes. This does not occur on smaller maps like the Unreal Engine Templates. I was able to reproduce this issue in CitySamples SmallCity map. T ...

Generate all Bodies on Selected Bones Does Not Generate Single Convex Hulls Uniformly

UE - Simulation - Physics - May 12, 2022

Occurs 5/5 Times Regression does not occur in //UE4/Release-4.27.2 @ CL 18319896 When 'Generating All Bodies' on a bone the single convex hull does not generate uniformly.  ...

External event dispatcher bindings are duplicated along with instances in the level editor.

UE - Gameplay - Blueprint Editor - May 12, 2022

Event dispatchers (i.e. delegate property values) are currently copied to the new instance when users copy/paste/dupe actors. However, this means that if you have an instance whose dispatcher is dy ...

Editor queries source control for files outside the project or engine

UE - Platform - XR - May 12, 2022

When using SVN as SSP, the following warning will be output to the log LogContentStreaming: Texture pool size now 1000 MB LogSourceControl: Attempting "svn status --show-updates --verbose --xml "/ ...

GetMouseX returns stuttering value if ShowMouseCursor is enabled

UE - Gameplay - Input - May 11, 2022

Showing the mouse cursor and holding down the left mouse button while dragging will cause the MouseX event to broadcast incorrect axis values.  ...

Shader Complexity shows checkerboard screen in Android ES 3.1 render

UE - Platform - Mobile - May 10, 2022

Changing the view mode to Shader Complexity while in Android ES 3.1 preview render will show a black and grey checkerboard in the viewport.  This does not happen in UE 4.27 ...