USD is being used throughout the production world, but how do you integrate it into Unreal Engine? This session will explore three specific aspects of this workflow, including how you get data in, how you get it out, and how to use the USD stage window directly in UE.
https://dev.epicgames.com/community/learning/talks-and-demos/pvRl/state-of-the-universal-scene-description-usd-format-in-unreal-engine
It is great to see this posted because I know that several people at Epic working on USD (including the person who gave this presentation) were laid off several weeks ago. Are we to assume by posting this that USD and mtlx will still be something Unreal intends to further implement?