Crash when loading Anim BP after undoing and saving "Use Shared Rule" in state machine

UE - Anim - Runtime - Jul 19, 2022

Reported by UDN  [Link Removed] From Slack discussion: It seems that undo-ing the transaction in UAnimStateTransitionNode::UseSharedRules, leaves the outer graph (UAnimationStateMachineGraph) wit ...

Physics Constraint returns incorrect values for Swing1, Swing2, and Twist

UE - Simulation - Physics - Jul 7, 2022

Tested in //UE5/Main CL#20966071 Tested in //UE4/Release-4.27 CL#18319896 Physics Constraint returns incorrect values for Swing1, Swing2, and Twist. ...

Resizing panels causes ghosting/shifting of contents during drag

UE - Rendering Architecture - RHI - May 13, 2022

Resizing the editor window or any floating panel causes the panel contents to jitter during drag.   See attached images.  The jittering one is from Main and the normal behavior was captured in UEFN. ...

Crash in FPrimitiveSceneProxy::UpdateInstances_RenderThread in CitySample

UE - Rendering Architecture - May 5, 2022

The following check fails occasionally: check(InstanceCustomData.Num() == (NumCustomDataFloats * InstanceSceneData.Num())); I was not able to narrow down more precise repro steps, but it appears t ...

Selecting other components after selecting a Spline Component's control point keeps the transform gizmo and functionality at the Spline Control point

UE - Editor - Workflow Systems - May 3, 2022

Selecting other components after selecting a Spline Component's control point keeps the transform gizmo and functionality at the Spline Control point Repro Rate: 4/4 Tested this in //UE4/Release-4 ...

Geometry Collection behavior does not change when changed by BP

UE - Simulation - Physics - Destruction - May 2, 2022

Reproduced 6/6 times. This seems to affect all "Set" functions for Geometry Collection Components, such as Setting Object Type from Static to Dynamic, or changing Collision Type. ...

NotifyControllerChanged not always called on client

UE - Gameplay - Apr 20, 2022

See linked UDN for more information. ...

Skeletal Mesh does not deform as expected when Metal Desktop Renderer is ON

UE - Rendering Architecture - RHI - Apr 20, 2022

When using the provided UI to test the skeletal mesh morph, it doesn't work while using Metal Desktop Renderer. It works as expected when Metal Mobile Renderer is enabled instead. Working on repro ...

iOS package with Metal Desktop Renderer renders reflections incorrectly

UE - Rendering Architecture - RHI - Apr 15, 2022

When having Metal Desktop Renderer ON, the project renders incorrectly and shows a coloring/lighting issue on the character's reflection. ...

Noise Material Expression Position Input says it can take a 2 dimensional vector, but errors if you do

UE - Rendering Architecture - Materials - Apr 12, 2022

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