https://www.apple.com/newsroom/2021/04/apple-unveils-the-next-generation-of-apple-tv-4k/ https://www.apple.com/newsroom/2021/04/apple-unveils-the-nex... Go to

https://www.apple.com/newsroom/2021/04/apple-unveils-the-next-generation-of-apple-tv-4k/ https://www.apple.com/newsroom/2021/04/apple-unveils-the-nex... Go to the press release above, scroll down until the end, and refer to footnote 2. It is about calibration - it requires an iPhone with FaceID, IOS/tvOS 14.5 and is available as well for the 1st generation Apple TV 4K.