According to Giant Freakin Robot, which ought to know, George Lucas in his infinite wisdom and infinite meddling has decided that a Big No, similar to the one that made hash out of the ending of that awful trilogy of prequels, needs to be dubbed into Return of the Jedi. You know . . . because. Just as a note, I don't have this finally, actually, definitely confirmed, but what's the Internet for if not for spreading rumors?
Here comes the footage:
As a fan of the original, untarnished, pre-"Special Edition" Star Wars trilogy, I don't know what to say to this except . . . Nooooooo!!!