Chaos Clothing CreateClothActor takes a long time with LODs and Self-Collision

UE - Simulation - Physics - Jan 21, 2024

Spawning an actor with Chaos cloth causes a hitch when LODs or Self-Collision are enabled on the cloth. LODs and Self-Collision seem to compound the issue. Self-Collision requires a collision simul ...

DeterminesOutputType and AutoCreateRefTerm are not compatible

UE - Gameplay - Blueprint Compiler - Jan 19, 2024

The issue is due to the UK2Node_PureAssignmentStatement node that's created during node expansion when AutoCreateRefTerm is used on the target function. In the attached DOTBug image, you can see tha ...

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 ...

Light components do not appear in the details panel when copy-pasted from a level to a blueprint's component hierarchy

As per the steps to reproduce, copy-pasting light actors from a world outliner into a blueprint's component hierarchy in the blueprint editor will result in the expected light component not to show ...

Fixing Issue in Niagara stack across particle and system stages crashes the editor.

UE - Niagara - Jan 18, 2024

The Update Persistent Audio module has a dependency on a Play Persistent Audio module. When there are two modules in different overview nodes, the automatic fix up can put the Play Persistent Audio ...

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 ...

Blueprint Instanced Variables Data Erased

UE - Gameplay - Blueprint - Jan 17, 2024

Instanced variables were given a fix in response to this issue: [Link Removed] Once implemented, when the project is compiled the data from the blueprint instanced variable is removed. A recommend ...

Go to end and Stop on level sequences does not work with keep state animations and anim bps

UE - Anim - Sequencer - Anim in Engine - Jan 16, 2024

When a skeletal animation section is set to Keep State, and the mesh uses an anim BP and slots to play back the animation, calling Go to End and Stop on the sequence will not pause the animations. ...