QSceneLoader and QMesh doesn't load many formats supported by open asset import library

As stated in the documentation, it states that the classes supports the foramtes list in open asset import library, that includes the following:-

https://assimp.sourceforge.net/main_features_formats.html

• Autodesk ( .fbx )
• Collada ( .dae )
• glTF ( .gltf, .glb )
• Blender 3D ( .blend )
• 3ds Max 3DS ( .3ds )
• 3ds Max ASE ( .ase )
• Wavefront Object ( .obj )
• Industry Foundation Classes (IFC/Step) ( .ifc )
• XGL ( .xgl,.zgl )
• Stanford Polygon Library ( .ply )
• {}AutoCAD DXF{*} ( .dxf )
• LightWave ( .lwo )
• LightWave Scene ( .lws )
• Modo ( .lxo )
• Stereolithography ( .stl )
• DirectX X ( .x )
• AC3D ( .ac )
• Milkshape 3D ( .ms3d )
• * TrueSpace ( .cob,.scn )

Yet, I tried loading a .blend and a .glb files, and they basically didn't load, it only worked for me with .obj and .stl files.

I have reported this bug in Pyside channel, and I got instructed here (https://bugreports.qt.io/browse/PYSIDE-2581) to report it here with minimal C++ code, I have no knowledge about using Qt in C++ or even the tools I need to do so, But this doesn't mean such a critical problem can be just ignored like that, all I can offer is a minimal Pyside6 example.