From Si Silicon: Alrighty! So I've given my 90s CGI setup an upgrade. The Non Principled BSDF node now should look and behave closer to Blender Internal (2.79) materials. The world environment setup ...
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 ...