YouTube on the Apple TV is still missing 4K playback on tvOS 14 | iMore
tvOS 14 Beta 5 Has Been Released, Download and Update Today
YouTube Apple TV and iPhone errors: no 4K video and PiP failure | Macworld
4K YouTube starts rolling out to some Apple TV 4K users - GSMArena.com news
How to Clean Install tvOS 14 Final Version on Apple TV HD
Apple tvOS 14 User Guide: The Complete Illustrated, Practical Guide with Tips and Tricks to Maximizing the New tvOS 14: Linton, Eric: 9798689689586: Amazon.com: Books
Apple TV supports 4K YouTube but still no 60fps or HDR - RouteNote Blog
Apple TV update: Everything you need to know about tvOS 14 | iMore
tvOS 14 doesn't support 4K YouTube playback yet
tvOS 14: The MacStories Overview - MacStories
Apple TV gains 4K YouTube video playback, but HDR and 60 fps still missing - 9to5Mac
Apple TV gets YouTube 4K, but limitations remain - Gearbrain
Hands-On With tvOS 14: Picture in Picture, 4K YouTube, HomeKit and More - MacRumors