TV App Data Controls
The TV app on iOS and iPadOS will offer more control over data usage, with new streaming options that more easily let you toggle cellular data usage on or off separately for both streaming and downloading of content. This option was previously buried under the main Cellular settings, and was an all-or-nothing switch that would disable cellular data usage for the app entirely.
There will also be options to choose between “High Quality” and “Data Saver” modes for both cellular and Wi-Fi streaming, or “High Quality” vs “Fast Downloads” for downloading content over cellular or Wi-Fi connections.