I am using 0.015 and it works very well with 2.91. But there is a problem with 2.93 beta: when blender is up and running from inside addon, it can not compile external OSL scripts. This is only on ...
2.92 https://docs.blender.org/manual/en/2.92/addons/import_export/scene_gltf2.html dev https://docs.blender.org/manual/en/dev/addons/import_export/scene_gltf2.html ...