Enabling the ScriptableToolsFramework plugin causes compile errors in shipping configurations

UE - Graphics Tools - Modeling Tools - Nov 25, 2025

Enabling the ScriptableToolsFramework plugin causes compile errors in shipping configurations. This also applies to any plugins which depend on it, such as the ScriptableToolsEditorMode plugin. Thi ...

IKeyArea::CreateCurveEditorModel is not adding custom property channel name.

UE - Anim - Sequencer - Nov 25, 2025

When you have a custom float channel and run the above, It works great if it's a regular 'MovieScene3DTransformSection' : LogPython: [ {channel_name: "Location.Y", section: "/Script/MovieSceneTrack ...

Mutable Ignores State of Modular Game Features

UE - Anim - Mutable - Nov 25, 2025

I’m encountering an issue when working with Mutable/Customizable Objects in combination with Modular Gameplay Features (MGF). Expected: Child Customizable Objects that are located inside a disable ...

Landscape visualizers don't work on nanite landscape

UE - Graphics Tools - Terrain - Nov 24, 2025

Landscape visualizers do not work on Nanite Landscapes. Also tested in //UE5/Main/, CL: 48569009 The licensee has provided a patch file with a potential fix. ...

UE5.7 InterchangeGenericAssetPipeline -> MaterialPipeline are not using parent material for material creation on import, was working in UE5.6

UE - Editor - Content Pipeline - Import and Export - Nov 24, 2025

Hi there, It feels like a bug that the interchange generic pipeline is not using user-selected parent material for asset import, since it was working back in UE5.6 then we upgrade the engine to 5.7 ...

Material picking of Nanite meshes with multiple sections not working

UE - Graphics Features - Nanite - Nov 24, 2025

Picking a material of a section of a Nanite enabled mesh will not work correctly, while the same picking logic works fine for non-Nanite meshes. On Nanite meshes, the reported section index seems to ...

Orphaned BP actors when using UWorldPartitionBuilder

UE - World Creation - Worldbuilding Tools - World Partition - Nov 21, 2025

From an EPS case: --------------------------------- We're seeing a recurring issue where child BP actors are becoming orphaned during any processing that uses UWorldPartitionBuilder. It affects ...

[AI] Unable to bind to parameter properties when using a Soft Object Reference

UE - AI - StateTree - Nov 21, 2025

Global parameters disappear from the binding list when a soft object reference is present. Pulling up the binding menu shows nothing for Parameters when there are only object references in the ST as ...

Duplicating OFPA Levels can result asserts when running the WorldPartitionBuilderCommandlet on multiple levels.

UE - World Creation - Worldbuilding Tools - World Partition - Nov 21, 2025

The process will assert in UWorldPartition::Initialize on  check(!OuterWorld->PersistentLevel->bAlreadyMovedActors); The log from a debugging session (see attached image) that a LevelInstance ge ...

Placed render targets are not initialized properly in D3D12

UE - Rendering Architecture - RHI - Nov 21, 2025