I like that RogueLeader. I think what I was less receptive to was the idea of playing it straight as Rey Palpatine and then just casting a bit of doubt at the end.
I think if Palpatine is consistent in his message that he created Rey, Ben is consistent in his message that he thinks Palpatine is a liar, and Luke’s POV is that ultimately it doesn’t matter, that could actually provide some interesting tension.
I agree that I would like to avoid the flashbacks to Rey’s parents, or any suggestion that Rey is the “granddaughter” of Palpatine through her father. I know the canon explanation is that Rey’s father is a type of clone but in the context of the movie it just brings up the weird “did Palpatine have sex?” question.
As for the question of how it impacts canon, I think the base version of Ascendant is still a great edit for those who want to hew closely to canon, and a Rey nobody version should be less concerned about future canon material if it conflicts with the goals of the edit.