You havent figured that the developers and microsoft have all moved on ?
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Assuming this is not a spam post, though I assume it is since there’s a random link in it:
Smart Stream makes sure you’re playing the best version of the game for your console. Some games will also feature HDR, and actual 4K support (crisper image than an upscale).
Go to your Library and filter by Xbox One X Enhanced games (or Xbox Series Enhanced), and you’ll see. Feel free to manually check for updates too.