Here are the list of changes to episode 1-3’s plot
Ep.1
1.)Trade Federation becomes the Slave Federation to make it a bit more exciting and less boring
2.)Jar Jar is no longer in Episode 1
3.)Anakin is no longer a slave. He and his mother, Shmii are mositure farmers. So it will prove that the jedi knights are the guardians of peace and justice. Just like in # 1, slavery will take place on Naboo.
4.)Anakin will be rudubbed, just like In Wedge Antilles from Episode 4.
5.)Midichlorians are gone
6.) Stereotyped aliens like Neimoidans and Toydarians will redubbed.
Ep. 2
1.) Anakin’s rants and creepy lines will be removed.
2.)Love story between Anakin and Padme will no longer to be boring and creepy.
3.) Anakin and obi wan’s relationship to be better
4.) Make Battle of geonosis will focus on the character and probably focus on foreshadowing on Anakin and the Republic’s future
5.) Cut out the flashy lightsaber scenes to focus on the plot.
6.) Zam Wessel no longer is hired by Jango Fett
7.) The Jedi no longer have diminished force powers.
8.)Anakin no longer confesses to Padme that he murdered the Tusken Raiders.
9.) fake and cartoony CGI shots will be removed
10.) Clone Troopers’ voice will be replaced with “Storm trooper’s voice”
11.) Count Dooku will be renamed to Count Doku(pronounced “DOH”-ku)
Episode 3
1.) Grevious’s Ep.3 voice will be replaced with “2003 Clone Wars style”
2.) Vader’s "Noooo…!"will be removed
3.) Cut out the clips in the action scenes to make it fast paced.
4.) Clones’ CGI human faces will be removed
5.) Grevious no longer coughs
6.) the giant lizard’s yell will be replaced by lizard’s new call(more likely to be the person breathing out to his glasses to clean)
7.) Tension is added to some of non-action scenes.
8.) No lovey dovey dialogue from Anakin and Padme, just like in Ep. 2
9.) Elevator scene is gone
10.) Anakin, Obi wan, and Palpatine are no longer captured. They are falling before they get saved on Coruscant
Special mentions
1.) Some of the explanations from EU will be added
2.) Music is added to build tension and emotional impact