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Strange New Worlds' "Tomorrow, Tomorrow and Tomorrow" explicitly tells us that due to interference during the Temporal Wars (see: Enterprise, Discovery), we see Khan as a child in 2023 even though the Eugenics Wars were supposed to have happened in 1992 as per "Space Seed". Which means Strange New Worlds isn't quite the same timeline as The Original Series. So TOS, TNG, DS9, VOY and ENT were pre-Temporal Wars and everything after is... after.

Except, we have clips of "The Cage" as a "previously on" on Discovery, clips of "Unification II" in "Unification III", Voyager's "Future's End" with no sign of the Eugenics Wars, the SNW Enterprise in Picard season 1, the TOS-style Constitution class in season 3.

And IRL, we have alternate timelines in Trek, differing adaptations of the same timelines in Trek and now rewritten versions of the same timeline in Trek.