I remember an employee from Reliance who worked on the restoration posted on a forum last year saying that they restored “the original film scans”. So that does make me wonder if all the elements necessary to reconstruct the theatrical cuts are now fully restored. And if so…it shouldn’t be too hard to just put them together. Unless, by “film scans” he meant the 1997 negatives? But I find that hard to believe since even the 2004 restoration went back to the camera negatives (for at least a few shots), so it seems logical to assume they also went back to camera negatives here. Plus it seems like some of the sand dunes on this new 2019 version have reverted to the 1977 version? (forum post by the Reliance employee: https://thecantina.starwarsnewsnet.com/index.php?threads/star-wars-4k.54414/#post-528618)