Add a 'skipped' or 'archived state for episodes, for those that you have marked 'played' but haven't listened to yet.
I often find I want to keep track of past episodes I have and haven't listened to, but I don't want to see them on the list of new, unplayed episodes.
A third, 'skipped', 'archived', or perhaps 'dismissed' state would make this possible. If you see a new episode that your want to come back to later, but do not want to forget about, you can just dismiss it instead of making it played.
It would be great if we could just swipe left or right on certain podcast episode and it would be marked as skipped or played or arhicved....