jshackles
Gentlemen, we can rebuild it. We have the capability to make the world's first enhanced store. Steam will be that store. Better than it was before.
Xbox Game Streaming app is now live on Windows—via a sneaky download
Until we see planned web browser version, this loophole will have to suffice.
arstechnica.com
You can download the package directly from this link:
Then enter the phrase
XGPUBeta
when asked for the Offering ID (after signing in with your Game Pass account if you haven't already). Enjoy!