AST (and DRG) had their improvements pushed to 7.0 PLD are getting theirs in 6.3

[Archwizard]

AST's slated reworks are their cards. If there's anything more to be changed I do not believe the devs have officially stated what those are.

You do realize how central their cards are to them? Their main gimmick?
We may not just be talking about a tweak to Astrodyne and the Seals system here, but completely reinventing the whole thing. And considering how much feedback they've been getting about how people hate Astrodyne, it wouldn't shock me if they decided to pull the trigger on the whole damn thing but need time to figure out how to make a RNG-based 6-8 card system continue to work on a job that has already hit peak button bloat, without Astrodyne or Divination as incentives.

Personally I don't believe changing the card effects is an expansion worthy wait if it was originally intended in 6.2.

And they probably have changed their plans about the rework prior to their decision to cut it from 6.2.

You seem to be under the mistaken impression that either:
1) Whatever we were originally slated to get in 6.2 was just a delay on something that was in the pipeline prior to expansion launch, when they were already reworking the job in 6.0 and it would make no sense to wait this long to drop it if they had it in mind this whole time.
OR
2) Whatever we get with the expansion will just be a tweak that could have been a patch cycle, when the entire conceit of them pushing it back was that they realized their plans would have to go way bigger than just Draw, Redraw and Astrodyne.

6.2 was gonna give Rework Plan A, which would have been bandaid fixes on the job; we are no longer on Plan A, but something more significant. The stated 7.0 Rework =/= 6.2 Rework =/= any hypothetical 6.0 Rework besides what we got.

And even if it is, they should've changed it like we wanted at the start of this expansion. It wasn't as if AST mains were quiet about it all through Shb.

Yeah, and they did change things with the expansion, and their decision about the rework was affected by the feedback they received since those changes.
And by the way, 6.2 dropped almost a year into Endwalker; of course they've had new ideas since then, it's not like everything is just sitting in a hat fully-formed, waiting to be pulled.