The iOS Smart Invert Colors, which works as a dark mode, doesn't always work well with third party apps. To turn on YouTube's dark theme, tap on your Account button, then go to Settings and toggle on Dark Theme.
Google has delivered its YouTube TV app to Apple TV. Apple TV owners were initially expecting the app to launch in 2017, however it was delayed. This week brings the tvOS version of YouTube TV to the App Store, as well as a native app to Roku streaming devices. Previously, YouTube TV subscribers had to deliver content to their Apple TV using AirPlay from an iOS device.
YouTube's constant video recommendations can be bothersome, especially if you are the type that has to address your badge notifications as soon as they appear. You can either turn off notifications for YouTube in Settings -> Notifications -> YouTube, or you can stop the video recommendations specifically by opening the YouTube app and tapping on your account in the top right, then going to Settings -> Notifications and toggling off Recommended videos.
Autoplay is all the rage, with many apps such as Netflix, YouTube and others continuously playing videos non-stop. This can be a welcome feature when binge watching a show, however at times it's a problem. For example, YouTube will keep playing recommended videos ad nauseam, which could end up coming from anywhere. The good news is that YouTube has a switch to turn this feature off.
Apple will have some competition if the company continues to pursue a live TV channel package for the Apple TV. Both Hulu and YouTube have announced plans to launch streaming TV services as soon as next year. For its part, Apple has been rumored to be working on content deals for some time. A quality bundle of 25 channels was slated to arrive for monthly subscription in November 2015, however subsequent reports indicate Apple's plans have been delayed.