It’s well known within industry circles that the plan was to release the OT’s theatrical versions in new 4K transfers prior to ‘The Force Awakens’ but the 1977 film needed a lot more work than initially thought - Disney even went so far as to ask the Library of Congress for a scan of the print they’ve had in their archives since 1978 - and so it was put back until the 40th anniversary in 2017… But we haven’t seen them yet so maybe 2018 to coincide with either Solo: A Star Wars Story or may come after the 4k release of TLJ cause that would kick ass
The Library of Congress has just the SE, since Lucas asked for the original and gave them the SE in return. Or does my memory serve me wrong here? I think I read something like that somewhere in this forum.