Same. I'm unable to authenticate. Bazarr version 0.8.4.4.

Edit: Upgraded to Bazarr Version: 0.9.0.2 & authentication is working for me. FWIW, it's sitting behind a Traefik v2.2 reverse proxy.

Is/was this ever implemented?

Sonarr v3! Woohoo!

When adding a new artist, quality is always set to 'any' regardless of what is specified when adding a new artist.