Using "Change Class" on Spawnables, Possessable references retain old Class info

UE - Anim - Sequencer - Apr 22, 2024

Changing Class for Spawnable objects in Level Sequence did not have any impact on Possesable objects in Subsequence. It's still referencing the previous Class. Also found in Release-5.4, CL: 329753 ...

Blueprint Add Custom Event unable to resolve delegate signature inside a split struct

UE - Gameplay - Blueprint - Apr 19, 2024

This issue occurs when a static function is created and has a struct parameter that has a delegate exposed to blueprint. When using the helper function in blueprint after having used "Split Struct ...

VisibleAnywhere MovieSceneObjectBindingID property is editable

UE - Anim - Sequencer - Apr 19, 2024

In general, UPROPERTY(VisibleAnywhere) makes a property ineditable. But, if the type of a property is FMovieSceneObjectBindingID, VIsibleAnyhere no longer prohibits it from editing. [Image Removed] ...

Resetting MovieSceneObjectBindingID property can't update display

UE - Anim - Sequencer - Apr 19, 2024

When reset a MovieSceneObjectBindingID type property, the display of the property is not reset but keep the value before reset, until the property form is clicked. [Image Removed] ...

BlendSpace DeltaTimeRecord.Delta can incorrectly be set to zero

UE - Anim - Runtime - Apr 19, 2024

It's possible for blendspaces to end up with an invalid delta time record because of how UBlendSpace::TickAssetPlayer modifies the time record.  This only seems to happen with specific settings:Axis ...

Moving noise is visible in hair shadows when Lumen screen traces are active

UE - Graphics Features - Apr 18, 2024

Dark moving noise is visible in hair in the shadows when Lumen screen traces are active.  Example of noise when screen tracing is frozen:[Image Removed] Turning off Lumen screen traces using r.Lume ...

GetMotionControllerData doesn't return expected data

UE - Platform - XR - Apr 18, 2024

Repro project: [Link Removed] ...

Generated assets not showing up in world partition level until map reloaded - DirtyActorTracker

UE - World Creation - Worldbuilding Tools - World Partition - Apr 18, 2024

Breakpoint on SetText node in WBP PreConstruct triggers editor hang on save

UE - Gameplay - Blueprint - Apr 17, 2024

A user reported that when calling SetText on a text widget in a widget blueprint's PreConstruct causes an editor hang when you put a breakpoint on SetText and attempt to save the asset. The issue i ...

ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced

UE - Rendering Architecture - Materials - Apr 16, 2024

ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced (e.g. RegisterIndex of the texture is [3] or [7]) because FMeshRenderer::RenderMaterialTexCoordScales() use ...