Star Wars has experienced a resurgence in recent years thanks to its Disney+ television shows, including the brand-new Ahsoka series currently airing its first season. In the past, the franchise has been known to use its television series, including The Clone Wars and Star Wars: Rebels, to fill in plot holes that were left behind by the main films in the saga. Now, it is becoming abundantly clear that Star Wars' recent round of Disney+ series are finally answering one of the franchise's most infamous recent plot holes.
Source:https://www.cbr.com/star-wars-palpatine-returned-fixed/