Would you like to see a Qui-Gon standalone Star Wars movie?
They could also re-cast the role or digitally de-age him, but both those methods are already hot button issues for the Star Wars franchise.
As revealed through The Clone Wars animated series, it was Qui-Gon Jinn who was first approached by the mysterious Force Priestesses to learn how to manifest his consciousness after death.
It’s Qui-Gon’s willingness to go against the dogma of the Jedi Order that makes him such a compelling character.