Ding: I wasn't referring to an analysis of readability. I was asking if anyone has done a substantive analysis regarding changes in doctrine, changes in emphasis, etc.
Gotcha!
I'll leave that laborious task to someone else. I do know that 607 B.C.E. is still in there.
Keep in mind that the current GB don't have an original idea amongst them. It's pretty clear that all of the current changes--which are 100% form and zero content--are coming from outside sources. Everything has the fingerprints of marketing consultants all over it.