Unreal Engine Issues

Interchange Framework - Missing References on Animation Import with Python Pipelines

Hello, I'm using Interchange in a UE5.5.4 project with my Pipeline Stack containing a copy of the DefaultAssetPipeline and a custom Python Pipeline. When importing my Animation with only the Defau ...

Interchange Runtime .glb Import Crash When Packaged

The runtime import process works fine in editor, but fatal error when trying to do so with packaged build of project. My function that calls ImportAsset():bool UMeshLoader::RequestMeshLoad(FString ...

Reimporting an asset during PIE overwrites the bAllowCPUAccess value to true

When reimporting a static mesh asset before PIE execution, the value of bAllowCPUAccess is false.  If reimporting a static mesh asset while PIE is running, the value of bAllowCPUAccess is true. In a ...

When importing static mesh using interchange and collision is generated, the asset does not have Collision Generated set to true

Context: The Interchange Framework is Unreal Engine's import and export framework. When importing a mesh without collision, collision can be auto-generated. Problem: The problem is when importing s ...

Texture incorrectly set when importing glTF via Interchange.

Some Materials in this glTF model will not use the correct texture on import.  Find interior doors. They will be Green when they should be set to use Wood_Basecolor texture and not Wood_Basecolor1 ...

[Interchange][glTF] Morph animations are not imported

[Link Removed] From the UDN: When importing a glTF file from Blender with both skeletal and morph animations, only the bone animations are imported - the morph animation curve is completely missing ...

5.5 Static Mesh Import Pipeline Regression

This question was created in reference to: [Link Removed] This post references the first post because this problem was not discovered till now. I think it was masked because the issue appears to be ...

[Interchange] Disabling Interchange 'Show Sections' in the Details Panel is not persisted

[Interchange] Import Material flag ignored for MaterialInstances

When Import Materials flag is disabled we still import MaterialInstances currently. If the flag is disabled we should leave out Materials and MaterailInstances on import. ...

MaterialX texture imports won't import files with the same name

Hello! When importing .mtlx files that contain textures with the same name (but different filepaths), only the first texture is imported. This seems to be due to the function CreateTextureNode() i ...