The YouTube app on iOS will be getting picture-in-picture support, allowing all users to watch videos while doing other things on their iPhones and iPads. A YouTube spokesperson told the media that the feature is currently rolling out to Premium subscribers, and that a launch for all iOS users (including the free ones) in the US is in the works. Apple added support for picture-in-picture video for iPads with iOS 13, and brought it to iPhones with iOS 14. Since then, YouTube’s support for the feature on iPhones and iPads has been spotty — it works for iPad if you’re using Safari (though some have reported it doesn’t work for non-Premium subscribers); iPhone users have only been able to access the feature periodically. That complication seems to be going away, at least for those in the US: i...