Apple is in the process of rolling out new movie and TV listing pages for the Apple TV. The new design adds extra banner graphics to the pages, and makes subtle changes to navigation within the pages.
Updated pages are only available for certain listings at this time, and appear not to be identical in different countries.
For movies, moving to the “Viewers also watched” line of box covers now begins the process of scrolling the page downwards, and for TV shows, the scrolling column of episodes on the right side of the screen is now nested and shorter than before.
The changes collectively fill the screen with more art than before, as the Apple TV menus were historically heavier on black space, as shown in the included comparison screenshot below.