Unreal Engine Issues

Reimporting skeletal mesh clears material references from material slots

This occurs in //UE4/Release-4.15, //UE4/Dev-Editor, and //UE4/Main Does not occur in 4.14.3 ...

Curves do not scale with modified animation length at reimporting animation with new interchange importer

Paper2D sprite reimport changes socket position if sprite sheet changes size

Reimporting a sprite sheet that had sockets placed on some of the individual frames will result in the sockets moving if the sprite sheet's dimensions have changed since the previous import. This wo ...

[Interchange][FBX] Import model with custom collision prevents socket to be imported

I would like parity with legacy: 1) only one material 2) socket to be imported Box_Socket file imports same in legacy and interchange: it is just box and socket without collision. ...

[Feature Request] Artists want "importing fbx chunks" functionality back in chaos fracture.

Some artist customers want a tool to customize fractured mesh in chaos fracture just like the functionality "import fbx chunks" in APEX destruction, that could give them more controllability of the ...

Importing a Binary version of an FBX with the option Use T0As Ref Pose enabled will cause deformations of the mesh

When importing a binary FBX with the option Use T0As Ref Pose enable it appears that some models will be slightly deformed (see attached image). ...

Material is not always updated after SketchUp file reimport.

The second file uses the same material as the first one, but it's color has been modified in the DCC.  Not reproducible with Datasmith import. In that case the material is correctly updated in all c ...

Error when exporting large model to FBX binary

It's happening when exported models have over 150 million triangles. Project: [Link Removed]  Note: Reported in the Elite Slack channel. ...

SKP Import - Applied texture maps from previous Twinmotion versions are lost after reimport in TM 2025.1.1

Reported in SF [Link Removed] For SKP imports that were added to a file in a previous version of Twinmotion, when the .tm file is concerted to and opened in TM 2025.1.1, if the SKP model is re-impo ...

[Alias] Reimport of a StaticMesh failed

The user suggest to add the option "Only New Meshes" ...