Trying to log in to
https://bugzilla.opensuse.org/
most often is simply ignored, with the login page displayed again, username and password pre-filled. Clicking "login" returns to the same page. Same is repeated 10 times. It's been happening for over a week. Lucky if it works the second time round. Yes both username and password are definitely correct (and there's no error about that).

If this is an intentional anti-hacking technique then I must say that for me it's obnoxious shite when I'm trying to get something done in between all other things that need doing.

If it's a bug, is it only happening for me? Firefox on oS 15.4.