In regards the treasure hunt extra turn bug:
Sharing this thread:
And these videos from it:
So in the treasure hunt player gets notified for an extra turn sometimes even when there is no real extra turn.
I think this hasn’t been an issue for a long time, maybe since the last update? I play (on PS4) treasure hunt a lot, but I don’t use sounds so I might not even notice this bug. So it has totally gone past me since I read that thread and started to take notice on it.