I don't know why this is usually an issue every few months. Stop messing around with the layout for no apparent reason other than boredom, or keeping your UI team employed. its infuriating beyond belief.
Ive restarted the app, tried updating the software version, nothing. All it is now is huge card thumbnails now, no nice and clean layout view of saved list. i had a lot too.
One of the worst things about Roku is the flipping layout change just for no apparent reason.