There's good little thread started at Daz
( https://www.daz3d.com/forums/discussion/550456/would-we-be-getting-a-usd-add-on )
on whether or not Studio will ever include support, REAL support for Nvidia's Universal Scene Descriptor.
I doubt they'll ever give it anymore than lip service because it's not 'their' format that they can control and charge others royalties to use.