Alright, so all the “is it or isn’t it” is over. it is. And the waiting for it is over, it keeps staring at me accusingly for a week now. I have read all the official stuff several times, even pointing out mistakes by them.
I am still not well prepared to replace it. I am wondering if anyone else, having replaced it, has some more insights, cool tricks, hazards to watch for, etc as it was trickier than it looks and way more than they explain.