http://bugs.winehq.org/show_bug.cgi?id=57595
--- Comment #4 from Patrick Hibbs hibbsncc1701@gmail.com --- (In reply to Ken Sharp from comment #3)
Does this still occur if you disable IPv6?
It doesn't work at all now under PaleMoon. Cloudfare's turnstile breaks all submissions. Regardless of IPv6 being enabled or not.
PaleMoon does pass Anubis however, so it can at least read bugzilla, but this is now worse than it was previously.