YouTube testing picture-in-picture mode for those without Red subscriptions

When Android 8.0 Oreo introduced picture-in-picture (PiP) mode, the obvious beneficiary of the new feature was Google’s first-party YouTube app … Unfortunately, Google decided at the time that the advantage of nested playback was best locked behind a YouTube Red subscription … In our own testing with that version of the app, we were unable to trigger PiP on a free account.