I’d say that Sonarr knowing the season ended is less reliable than the series ended status, since it would be basing that off of the episode information it has and potentially the number of episodes a season, which would break down for mod season cancels, split seaons and inconsistent numbers of seasons.
We talked about showing the finalle on the calendar, but the data isn’t reliable enough to make that commitment we feel.
Well TVRage is dead (even if they come back they’re pretty much dead).
For TVDB we’d have to trust what people put in there, which is a bit sketchy at times. It’d certainly be nice to have, but we didn’t want something unreliable.
No, tvdb regularly has series on ‘ended’ with the final season episodes still being added as it airs. Even intermediate seasons are tricky, coz the premier of a future season may have already been announced while the current season is still airing.