That leaves the “essential” parts of The Last Jedi which cannot be ignored, Snoke’s death (fixed by resurrecting Palpatine), Rey’s parentage (fixed by making her a Palpatine) and Luke’s ...
Why? Because at this point I think it’s pretty well-established that Palpatine’s sudden return in Rise of Skywalker, along with the explanations of Snoke and the reveal of Rey’s Palpatine ...