My problem with ROTJ is mainly with the character development, with only Luke and Vader actually concluding their story arc. Part of this is probably because there are too many characters. Imagine if we had:
-just Luke, Chewie and Lando saving Han, both making Luke’s plan more believable and Lando’s actions conclude his arc;
-Leia coordinate the final attack instead of Lando, putting her in charge and concluding her arc as general/queen;
-Han skillfully infiltrate Kashyyyk with Chewie and his people, instead of stepping on branches and triggering traps.
I wish we had more material to make an “ultimate edit”, but one can only dream :\

P.S.: I just realized the DSII’s explosion is a huge peace symbol (never thought peace could be achieved with war 😄)