I use trusted places at home with no problem. I just swipe and my phone opens. It does lock to where you have to use the fingerprint or pin after 4 hours though.
I don't use the on body detection.
Updates are always fun because first people meltdown because they don't get it immediately and then they meltdown because they got it and stuff changed or the stuff doesn't work how they want it to. Let the games begin. Lol