All for nothing?

So, I renewed my Game Pass (I didn’t have Ultimate before, so I just got the same thing, though this one’s a simple 3 Month instead of a 6 Month), but the moment I tried to play some games, it was revealed that more than a few games got transferred over to Ultimate, when before I could play them on the regular Game Pass without the upgrade. And I don’t mean just one, two, or even three. I mean a hell of a lot of games

Examples: \- Warhammer 40k: Battlesector

\- Trek to Yomi

\- Stellaris

\- Pillars of Eternity

\- Assassin’s Creed: Origins

\- Conan: Exiles

\- Cris Tales

\- Wasteland 3

\- Halo 5: Guardians

\- 7 Days to Die

\- Black Desert

\- Dead by Daylight

\- Elite Dangerous

\- Hitman Trilogy

And more besides.

Some are also locked to me, although they simply say to buy the Game Pass, even though I have it. An example of this is Quantum Break, which just says “Join Game Pass”. Is this a sort of update I missed, or some weird thing that only happened to me? (I assume the “Join Game Pass” one is a bug while the ”Upgrade to Ultimate” games are an update)