tvOS 14 brings support for streaming YouTube in 4K on Apple TV - 9to5Mac
The New Apple TV 4K Does Indeed Support ARC (and It's Pretty Awesome)
Apple unveils the next generation of Apple TV 4K - Apple
Apple TV User Guide - Apple Support
Getting Started With Apple TV: A Ridiculously Simple Guide to Getting Started With Apple TV 4K and HD With TVOS 14: La Counte, Scott: 9781610421317: Amazon.com: Books
Upcoming Apple TV Could Support 120Hz Refresh Rate According to tvOS 14.5 Beta Code - MacRumors
Apple TV 4K delivers highest quality cinematic experience with tvOS 12 - Apple
Apple Releases tvOS 14.7 for Apple TV HD and Apple TV 4K - MacRumors
Check out these 9 new Apple TV features in tvOS 14
Apple TV 4K will gain 4K YouTube support with tvOS 14 update
Download: tvOS 14.4 Now Available for Apple TV HD and Apple TV 4K
Downgrade tvOS 15 Beta to tvOS 14 on Apple TV HD [Tutorial]
tvOS 14 Brings Apple TV Support for AirPods Audio Sharing and Watching YouTube Videos in 4K - MacRumors
tvOS 14: Everything We Know | MacRumors
tvOS 14 Compatibility List – Does My Apple TV Support tvOS 14? | OSXDaily
Apple TV 4K (2021) Review: It's All About the Siri Remote | Digital Trends