I almost forgot to post these, spotted these two extremely subtle changes when going through the trench run a couple of days ago.
original on top.
^^isn't this one included in Rinzler's Making of book. ;) I may be wrong.
This one below is right after Biggs line "Hurry, Luke. They're coming in much faster this time..."
The second shot of Luke's motion blurred glove when turning off his targeting computer is not on your list.
All of them '97 tweaks.