Changes to Instanced Properties on a BP archetype are not propagated to Actors inside Level Instances or unloaded levels.

UE - Gameplay - Blueprint - Apr 19, 2024

Consider a C++ ActorComponent containing an instanced TObjectPtr property (which may be standalone or inside a container such as TMap). Now consider a Blueprint Actor containing such a component, an ...

Blend Stack node doesn't have a valid FDeltaTimeRecord

UE - Anim - Runtime - Apr 19, 2024

The blend stack node doesn't generate any values for its DeltaTimeRecord.  This can be tested with the fix for [Link Removed] shelved at 32747789.  Since there isn't a tick record directly associate ...

Remove IFAs when they no longer have any instances

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

Enabling SunPosition engine plugin causes a missing file warning in a packaged build

UE - Editor - Content Pipeline - Apr 18, 2024

Licensee noted that editor-only code from the Sun Position Calculator engine plugin was causing a warning in packaged builds. A similar issue was reported for 4.22 [Link Removed], but this appears t ...

World Partition: warnings on editor only actors when running the editor in -server/-game mode

UE - World Creation - Worldbuilding Tools - World Partition - Apr 16, 2024

The warning for editor-only actors is unnecessary in these modes where they don't exist. ...

Changing preview mesh appears to affect initial transforms of all control rigs in level viewport

UE - Anim - Rigging - Control Rig - Apr 16, 2024

It seems that switching the preview mesh in the control rig editor is affecting the initial transforms in the hiearchies of related control rigs in the level viewport.  This seems to be due to the c ...

SkeletalMeshActor flickers rapidly when PhysicsAsset contains multiple boxes.

UE - Anim - Synthesis - Apr 12, 2024

SkeletalMeshActor using a PhysicsAsset with custom box shapes may flicker rapidly in Editor when not selected, and also flickers in PIE mode. If occlusion culling is disabled the flickering stops. ...

AR Kit Env Probes are backwards

UE - Platform - XR - Apr 11, 2024

[Link Removed] Original issue shared on UDN: [Link Removed] ...

Add error message when unable to delete external actor file on disk

UE - World Creation - Worldbuilding Tools - OFPA - Apr 11, 2024

Edit Conditions on Struct that contains FGameplayTagQuery leave the property readonly

UE - Gameplay - Blueprint Editor - Apr 8, 2024

When inside an array is used a UStruct with a FGameplayTagQuery var that has the EditCondition meta that is evaluating inside the struct. When a new element is added to the array in the editor, if a ...