So it seems i was right, Xbox SX need to work different way if they trying to run UE 5 demo. Game developer need to change on how their engine work on Xbox SX to imitate the same result with PS5 UE5 demo
Billy Stilwell a head of Xbox Xcloud project and backward compatible said this on Podcast
https://lordsofgaming.net/2020/03/bill-stillwell-is-departing-project-xcloud-team-to-join-microsofts-hololens-division/
😯Bill Stillwell was on Iron Lords saying devs are going to have to figure out how make some things work on XSX that are made for PS5’s SSD 😬😬😬
— Zimm804 (@Zimm804) June 8, 2020
Maybe the Xbox Series X version will have Loading Screen elevators & PS5 wont 😂🤣🤣 pic.twitter.com/5te45s4vYh