Moira's shift into a loyalist was too sudden for my taste, similar to how Varian mellowed down. So I'd like it to turn out she's just been pretending all this time. The Dark Iron themselves have proven to be a good lot, though, so a new actual Dark Iron character could emerge to systematically tear down Moira's facade.
Genn should revert back to his old personality, which alone would be enough to rattle some cages.
By now Jaina is all been there, done that as far as Horde-Alliance relationship is concerned, but Kirin Tor still has(or should have) a lot of inner stuff to process. How does the general citizenry feel about the Purge? Have the Sunreavers been released, and if not then will they? The Council of Six is down to Council of Five, and two of them are actively working together with the Horde(and took a whole bunch of lesser mages with them, of whom many perished in Everbloom), there's definitely grounds for conflict there as well.