Yes, Youtube (latest ver) is finally streaming in 4K in 14.2 (18K5036d) public beta (pic!) : r/appletv
Apple TV 4K review - YouTube
Apple TV gains 4K YouTube video playback, but HDR and 60 fps still missing - 9to5Mac
Apple TV 4K Wi‑Fi with 64GB storage - Apple
Apple TV 4k: HDR videos on youtube - YouTube
YouTube 4K for Apple TV is rolling out, minus HDR or 60 fps | AppleInsider
New Apple TV 4K vs. Android TV: Google has Some Catching Up to Do
Watch: Everything you need to know about Apple TV 4K | AppleInsider
Apple TV gets YouTube 4K, but limitations remain - Gearbrain
Amazon.com: ONN 43-Inch Class 4K UHD (2160P) LED Smart TV HDR Compatible with Netflix, Disney+, Apple TV, YouTube, Compatible with Alexa and Google Assistant + Wall Mount Included(Renewed) : Electronics
The latest Apple TV 4K with that new and improved remote is already on sale | Mashable
Does ATV 4K get HDR from YouTube app? | MacRumors Forums
Seems like YouTube indeed supports 4K/60 HDR 😍 (taken from twitter, seen at macforums) : r/appletv
Google YouTube now supports 4K/60FPS video playback on Apple TV 4K - Gizchina.com
Apple TV: Should You Buy? Features, Reviews, and More
Apple TV Gets YouTube 4K Playback, but Still No 60fps or HDR | Beebom
Buy Apple TV 4K - Apple
Some people can watch 4K YouTube videos on Apple TV, but there's no HDR | iMore
Apple TV now plays YouTube videos in 4K, with limits
4K YouTube Content Begins to Show Up on the Apple TV 4K - MacStories
Apple TV 4K
Apple TV 4K Setup Video & Audio for 4K HDR & Dolby Atmos - YouTube
4K YouTube, Audio Sharing, 4K AirPlay, HomeKit Cameras, PIP, and more come to Apple TV in tvOS 14 update | AFTVnews
Apple TV does not play nicely with youtube.tv 4k | MacRumors Forums
Apple TV supports 4K YouTube but still no 60fps or HDR - RouteNote Blog
The Apple TV is getting 4K YouTube, and Macs are getting 4K HDR Netflix | Ars Technica
YouTube Now Supports 4K HDR 60 FPS Playback On 2021 Apple TV 4K
YouTube's outdated video quality on Apple… - Apple Community
4K YouTube starts rolling out to some Apple TV 4K users - GSMArena.com news
