Indie developers at Neon Giant studio spoke to EDGE magazine recently about their experience working on Xbox Series X hardware. Microsoft's machine is "easier to develop for," and has "magic loading speeds," they claimed.
https://www.notebookcheck.net/Xbox-Series-X-Microsoft-knows-what-it-takes-says-indie-dev-claims-the-console-has-magic-load-speeds-but-what-about-the-PlayStation-5.466185.0.html