4K YouTube Content Begins to Show Up on the Apple TV 4K - MacStories. Apple TV Finally Supports 4K YouTube Files in AV1 or VP9 (Maybe Both?) - Streaming Learning Center. Trick to get YouTube to play 4K on Apple TV 4K stubborn installs - settings, Reset app : appletv. 4K YouTube content is now available on the Apple TV. Apple TV gains 4K YouTube video playback, but HDR and 60 fps still missing - 9to5Mac. Apple TV 4K finally gets YouTube 4K with some caveats - SlashGear. Apple TV can now play 4K video from YouTube. Apple TV 4K will finally support 4K YouTube videos with tvOS 14 update - Neowin. Trick to get YouTube to play 4K on Apple TV 4K stubborn installs - settings, Reset app : appletv. How to watch 4K YouTube videos on iPhone, iPad, and Apple TV - Top Tech News.