There's no explanation, but Microsoft says the Fallout 1st subscription will return "later in 2026." As for what's going on is anyone's guess.

Microsoft first debuted its full screen Xbox experience for Windows in the ROG Ally Xbox handheld, in a bid to compete with Steam's nearly 15-year-old Big Picture Mode. That Xbox interface eventually ...

Improve your gameplay experience with the best Resident Evil Requiem mods to unlock bonus items, fix the FOV, and even fight Shrek.

This rouguelite, "brinepunk" shooter is popular on Steam, and will likely find an even bigger audience when it hits Xbox Game Pass later this year.