Indicate podcast episodes that have been fully listened to
What is the problem you are facing?
I've subscribed to a couple of podcasts in funkwhale. Funkwhale will show podcasts that got a new episode further up. However I don't listen to all podcasts chronologically. So I essentially have to remember which episodes I've already listened to. It would be nice if funkwhale could add some form of indicator to episodes that have been listened to. And if there was resuming support (so remembering how much of an episode I've previously listened) that'd be even nicer.
What are the possible drawbacks or issues with the requested changes?
I'm not sure how complete the listening history funkwhale stores is. So this may possibly require additional data being stored to save the listened state forever.
Dedicated podcast clients will just about always have this. I realize that the focus currently isn't on the podcast listening experience.