Hey, so it seems that using a line of dashes now automatically formats text or something. The bug report form now automatically makes text giant. It's sort of random too. If you put dashes under a blank space, it makes a big bar linebreak like this:
If there's text over dashes, it makes text bigger like this.
Hitting disable markdown fixes it, but, given that this is the default you might want to go and review the bug template form.