It would be great to have an option to limit "My Feed" notifications to channels I've already installed. If I already have a Roku search partner channel that includes a show that I'm following, I couldn't really care less if a new episode appears on a channel that I don't have installed, especially if it means paying for something else.
The same goes for movies, too. If I'm following a movie, I'm only interested in knowing if it shows up on a channel I've already added.
[post moved and title changed to denote feature request]