Unreal Engine Issues

Crash using Import Commandlet on FBX that gets "Bones are too small" error when imported manually

Crash using Import Commandlet on FBX that gets "Bones are too small" error when imported manually Error from manual import: Warning The bone size is too small to create Physics Asset 'ButterflyVa ...

Unable to Save or Close Editor after Copying .FBX to Content Folder via Project Directory

The editor is not allowing users to save or close a project after an .FBX file has been copied to the project's Content directory and allowing the Content Browser to discover the change in source fi ...

High Precision Tangent Basis & Use Full Precision UVs on Skeletal Meshes reset after reimport

Reimporting a skeletal mesh causes "use high precision tangent basis" & "use full precision UVs" to reset and no longer being applied to the mesh. Reported and tested in version 4.25.3(CL 13942748) ...

Editor loses focus and is moved behind another window when adding a new Directory to Monitor to the Auto Reimport settings

Adding a new Directory to Monitor to the Auto Reimport settings for the Editor results in any Editor windows on the primary monitor being moved behind the top-most window on that monitor. ...

StaticMesh reimport: socket List not refresh if the count is the same

FBX files with multiple Meshes with only 1 unwrap per mesh will have invalid Light Map coordinates assigned

An FBX with Multiple Meshes and only one unwrap per mesh (no 2nd UV channel) will import the first mesh in the file correctly but will produce invalid lightmass settings on each additional mesh impo ...

Fbx animation re-import using UAssetImportTask in python will not use options

Anim sequence re import factory is not overriding correctly the settings when we pass the override UFbxImportUI asset. It still use the original import data ...

Static Meshes that are reimported with less materials can lead to map check errors on instances that had overriden materials that require manual cleanup

StaticMeshActors placed in the world can override the default materials of a static mesh. If the static mesh is then reimported with less materials, the actors maintain references to unused material ...

Reimport skeletalmesh do not keep the AssetUserData

Reimporting a static mesh with modified material LODs does not update the materials correctly

In Main the cube Section0 LOD material is replaced with the DefaultGrid material which is also not expected. This appears to be a regression from 4.15 based on the test execution history. ...