I JUST GOT OFF THE PHONE WITH SOMEBODY IN THE APPLE SOFTWARE ENGINEERING CENTER (see below how I got there).
The guy was extremely friendly and said he wasn't aware of the issue so far. We were on the phone for 1 hour, he let me run a diagnostic tool and said he's gonna file a report. He even told me he'd call back if they found a solution.
So, follow my steps to get on the chat and ask them to arrange a call-back date with you.
I mentioned before how to get their attention:
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I just had a chat with somebody in the support chat. S/he said s/he'll make a note and I'm getting a call back, too.I think this might get more attention if as many people as possible bug their team.
This is how you do it for free even if you don't have a protection plan:
1. Go to https://getsupport.apple.com/
2. Select your device/problem
3. Select you'd like to chat
4. When prompted, enter your serial number
5. You might either still have a protection, then just go. If not you'll be prompted to pay for the chat.
6. Don't pay, just select "Request and exception."
7. State your case