I was thinking about some random ideas to better tie the PT with the OT, while trying to keep the plot twist (I’m gonna post here just the changes I would do to the OT)

A New Hope:
-Ben would call R2 “Old friend” instead of “Little friend” (he still lies to Luke about how he doesn’t remember owning a droid)
-When Ben tells Luke about Vader, he would say “A sith lord named Darth Vader helped the Empire hunt down and destroy the Jedi Knights” (The “sith lord” part would come from that video of an AI reading the Darth Plagueis copypasta with Alec Guinness voice and the part about Vader being Kenobi’s pupil is cut due to Anakin being his only known apprentice)
-Vader would say during the fight: “When I left THE JEDI I was but A learner, now I am the master” (The dialogue during the fight is changed a bit to hide the fact that Vader is Kenobi’s apprentice; while trying to keep the meaning of the original scene)
-I think changing “Darth” with “Vader” is a very popular idea between editors but I would also list that

Through the trilogy…
-No one would refer to Vader as Obi-Wan’s apprentice until after the reveal in Episode V (this includes Yoda’s brief dialogue with Luke in ESB, where their dialogue about Vader can easily be trimmed to be about if the dark side is stronger, without any mention of him)

Return Of The Jedi:
-If in your edit Padme dies, I think you could trim the dialogue about how Leia can remember her real mother
-This isn’t very necessary but Vader could say to Luke “Padme once thought as you do” (I think he should say “Your mother once thought as you do” but I can’t find an instance where Vader says “mother”)