Benjamin Mayo, writing for 9 to 5 Mac:
Apple redesigned the Apple TV home screen with tvOS 13 allowing for full screen panoramic previews in the Top Shelf area. However, at the same time, it also changed the content of the Top Shelf for the TV app from the user’s personal Up Next queue to ‘What to Watch’, a selection of top television shows and movies chosen by Apple (essentially, a form of advertising).
This naturally caused a lot of complaints from users. Apple appears to have listened. In tvOS 13.3 beta, there is now an option in Settings to change it back.
It’s amazing to me that tvOS 13 shipped without the option to revert the TV app’s top shelf extension behavior. I went the trouble of transitioning away from the TV app because of this — to WatchAid. If I was annoyed enough to move away from the app entirely, I couldn’t have been the only one irritated.