Unreal Engine Issues
Unreal Engine Issues
Control Rig Creation Crash Triggered by “skel” Prefix in Skeletal Mesh Name
UE - Anim - Rigging - Control Rig - Nov 27, 2025When generating a Control Rig from a Skeletal Mesh that contains “skel” in its name—or uses it as a prefix (i.e. skel_test)—Unreal Engine crashes. The crash occurs both when using the native Creat ...
The bake_transform_with_settings method works in 5.6 but not 5.7
UE - Anim - Sequencer - Nov 26, 2025Trying to automate the process of baking transforms via python and the identical code above works in 5.6 but not in 5.7. There are no error messages in the output log. When running in 5.7, it does ...
Dataless Mutable: Cloth Simulation Not Working With Skeletal Mesh Parameter Node?
UE - Anim - Mutable - Nov 25, 2025Testing the new dataless Mutable workflow in Unreal Engine 5.7. When replacing the old Skeletal Mesh node with the new Skeletal Mesh Parameter node, the cloth simulation stops working. ...
Enabling the ScriptableToolsFramework plugin causes compile errors in shipping configurations
UE - Graphics Tools - Modeling Tools - Nov 25, 2025Enabling 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, 2025When 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, 2025I’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, 2025Landscape 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, 2025Hi 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, 2025Picking 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, 2025From an EPS case: --------------------------------- We're seeing a recurring issue where child BP actors are becoming orphaned during any processing that uses UWorldPartitionBuilder. It affects ...