After announcing that Larian Studios wouldn't be making Baldur's Gate 3 DLC, an expansion, or Baldur's Gate 4, director Swen Vincke revealed that Larian had actually begun work on planned downloadable content before ultimately deciding to cancel it because the team's heart wasn't in it.
Well you’re in luck. You can play Kingmaker then Wrath of the Righteous
Neither of those use the 2e rules, which are quite different from Pathfinder 1e.