Crash when duplicating component with Instanced property initialized with CreateDefaultSubobject

UE - Framework - Feb 2, 2024

An editor crash can be observed when copy-pasting an actor with an actor component with an instanced object property when set to a non-default value. Detailed steps to reproduce are provided below. ...

WPO is incorrectly generated on materials using Material Attributes as input to Landscape Layer Blend node

UE - Rendering Architecture - Materials - Jan 31, 2024

This comes from this UDN : [Link Removed] It occurs with this setup :  [Image Removed] , where Set Material Attributes expressions act as inputs to the Landscape Layer Blend material expression. ...

Keep Simulation Changes does not work for Actors that have replaced root component

UE - Gameplay - Components - Jan 31, 2024

RelativeLocation and RelativeRotation in the root component are collected in UActorComponent::AllUCSModifiedProperties, so copying simulation result is skipped in EditorUtilities::CopyActorPropertie ...

GetRelevantAnimTime functions don't work with State Aliases

UE - Anim - Gameplay - Jan 26, 2024

GetRelevantAnimTime family of transition don't work with state aliases ...

Request to ensure all setup parameters have units described in tooltips

UE - Simulation - Physics - Jan 22, 2024

UDN customer requests that all parameters have units in their tooltips. Need to do a sweep and check what might be missing. This is not a regression, the information will have never been their in t ...

Incorrect Redirector(s) created when renaming a LevelSequence

UE - Anim - Sequencer - Jan 19, 2024

Renaming the LevelSequence also renames the internal DirectorBP. Renaming the BP triggers the rename of its BlueprintGeneratedClass asset. A Redirector will be created for the BGC but it will be in ...

Reset Instance Changes to Blueprint Defaults does not reregister components

UE - Gameplay - Blueprint Editor - Jan 17, 2024

For map placed blueprint actors with components with property modifications, when triggering Reset Instance Changes to Blueprint Default from the actor instance's Details panel, any components with ...

Map actor reconstruction does not reattach external non-root components

UE - Gameplay - Components - Jan 17, 2024

For two map placed actors, if one actor B's non root component is attached to another actor A, the attachment is not retained when actor A reruns its construction script, such as when moving actor A ...