- TriLib is not a Model exporter.
- FBX Importer does not import multiple texture layers yet.  
- Some FBX files may present incompatibilities. Some FBX polygons may have tesselation issues.  
- STL colors are not supported yet.
- Lights and Cameras are not supported yet.
- Some GLTF animations are incompatible. Fix in the works.
- 3MF Beam Lattice format is not supported yet.
- 3MF PBR Specular materials are not supported yet.
- Mesh tangents importing are not imported yet and are generated on-the-fly.
- Unrestricted bones-per-vertex option in the works.