I have noticed that if I enable auto subtitle to English for foreign audio that anything with “Unknown Audio” is treated as foreign audio (usually not the case) and then subtitles are activated automatically for that title/episodes.
I have also noticed their is not a way to manage audio/subtitles for all seasons of a show. I have to edit these at the episode level.
These are both Items I would like to see fixed as a feature request or w/e…