Animation Constraint Jitter in Sequence when Constraining Layered Control Rig node

UE - ACT Character - Anim in Engine - Nov 6, 2025

When using constraints with layered control rigs, you get jitter on the constrained object. ...

Rotator visual helper appears in local Presentation exports

TM - Tools - Nov 6, 2025

Reported in SF [Link Removed] The Rotator animator's visual helpers will be visible in locally exported Presentations when it should be hidden. This does not affect the Translator animator. ...

[AI] StateTreePropertyRef does not have option for Promote to Parameter

UE - AI - StateTree - Nov 5, 2025

I got a report from one of my designers that since we took 5.6, they have been unable to see the "Promote to Parameter" options when attempting to bind an output from one of our common tasks. I took ...

Cloud materials not loaded in local Presentations

TM - Core - Nov 5, 2025

Reported in SF [Link Removed] Locally exported Presentations may show some downloadable Twinmotion library materials with the placeholder material when the Presentation is opened. This only occurs ...

Outliner eye toggle fails to hide static meshes when Affect Indirect Lighting While Hidden is enabled

UE - Rendering - Architecture - Nov 5, 2025

When a static mesh has the property Affect Indirect Lighting While Hidden enabled, toggling its visibility via the Outliner eye icon does not hide the mesh in the editor viewport. The actor remains ...

Crash when compiling Blueprint Function containing a connected Set Variable node for a local variable named after a replicated Actor property

UE - Framework - Blueprint - Nov 5, 2025

Creating a local variable inside a Blueprint Function with the same name as a replicated property of AActor (for example, “Role” or “RemoteRole”) and then using a connected Set Variable node for it ...

UMG: RetainerBox with zero-size child returns incorrect LayerId on OnPaint()

UE - AI Workflows - UI Systems - Nov 4, 2025

When a RetainerBox contains a child that for some reason has a desired size of zero, its OnPaint() method can incorrectly return LayerId 0. Afterwards, widgets further down the hierarchy can base th ...

Patterns On Landscape Spline Normals

UE - Graphics Tools - Terrain - Oct 31, 2025

On higher-density Landscapes, Landscape Splines can lead to patterned artifacts in the geometry normals. Also tested on //UE/Release-5.6, CL:45232827 ...

Invalid Landscape Normals at component boundaries and subsections In Packaged Build

UE - Graphics Tools - Terrain - Oct 31, 2025

In UE 5.6, heightmap texture compression was introduced. The original implementation did not consider duplicate pixels along subsection and shared textures (multi-component) boundaries. As a result, ...

[PCG] Undoing the deletion of a pcg actor removes the Instance Category from the pcg component, specifically no graph parameter can be seen.

UE - Graphics Tools - PCG - Components - Oct 31, 2025

Context: PCGComponents on actors contains a category "Instance" that allows the user to connect a PCG Graph of their choosing to the PCGComponent which allows the Procedural Node Graph to sample the ...