https://wccftech.com/youtube-for-ios-updated-with-hdr-support-for-iphone-12-iphone-12-pro/

YouTube for iOS now supports HDR playback on Apple's latest smartphones, namely the iPhone 12, iPhone 12 mini, iPhone 12 Pro and iPhone 12 Pro Max.

HDR YouTube has been around for quite a while and users of the iPhone X, iPhone XS and iPhone 11 Pro have been enjoying the feature. But today, YouTube for iOS has been upgraded to support Apple's latest smartphone hardware - the iPhone 12, iPhone 12 mini, iPhone 12 Pro and iPhone 12 Pro Max.