New content appears in "On Deck" but not in "TV" or "Movies" category

Is this the Library tab/view vs the Recommend tab/view?

If this is about the Library tab/view, then you can force a refresh by choosing/toggle a filter (e.g. Unplayed).

If you can confirm that the latter works, then this is part of a larger issue that the Library view isn’t automatically refreshing. See this thread: