That’s correct. SirRidley did most of the work on the Leia scene timecode and I just tackled one complicated timecode shot in that scene. It’s really painstaking, and this page details how I did it with moving objects in the frame:
There might be better technology now which can better automate the process.
Holy cow! That’s AMAZING work right there.
I really hope more recent tech can help take the timecode off of the other deleted scenes. It would really help with a lot of TFA edits.