In his interview at SWCC, John Boyega (Finn) says he will miss the on set fun. Apparently, JJ Abrams runs his movie sets like a house party. He even beat boxes, and Boyega says he’s good at it.
As for information on Episode IX, Boyega says the Skywalker story is over “this is it”.
Boyega comes off as a huge fan, discussing his collection of memorabilia, including the Finn blaster. As far as seeing Boyega in a Star Wars movie in the future? Boyega says, “If they ever ask me to come back as Finn I bloody freakin’ will.”