Yes I'm pretty sure indeed.
You never see the exact same dusts with different masters: LINK
The reason why the framing is different is because they are working with an open matte master. It was needed for the fullscreen DVDs back in 2002.
The end credits issue is still unknown. Nobody actually knows what the fuck Universal did with these. It doesn't have anything to do with film transfer though because the movie has no anamorphic film element at all.