Branch node outputs cannot be wired to already connected Execute pins on downstream nodes

UE - Anim - Rigging - Control Rig - Jan 23, 2024

When attempting to connect the output of a branch node to a downstream node that is already connected to one of the other outputs of the branch, users see a 'cycles are not allowed' message preventi ...

UMG Animation MPC track cannot preview

UE - Editor - UI Systems - UMG - Jan 23, 2024

The reason should be in FMaterialShader::GetParameterCollectionBuffer , Scene is nullptr and cached value GDefaultMaterialParameterCollectionInstances ** doesn't update. ...

Console Variables Editor plugin disables some CVars in Slate

UE - Editor - UI Systems - Slate - Jan 22, 2024

The following console commands do not work when the ConsoleVariablesEditor plugin is enabled.Slate.GameLayer.ViewportSlotVisibleSlate.GameLayer.DebugCanvasVisibleSlate.GameLayer.PlayerCanvasVisibleS ...

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 ...

[AI] Updating an HISM instance transform breaks the navmesh on all of the HISM instances.

UE - AI - Navigation - Jan 19, 2024

Navmesh does not generate correctly around HISM instances when one instance has its transform updated. The most noticeable change is that adjusting the scale of an instance's transform will cause th ...

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 ...

Opening a Niagara asset that references a disabled plugin (Chaos Niagara) can crash the editor

UE - Niagara - Jan 18, 2024

Opening a module with references to a disabled plugin can crash the editor.  ...

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 ...