Last month, Google finally began rolling out the revamped YouTube Music app to coincide with the launch of the newly-updated music streaming service. However, upon inspection of the code contained within the latest APK by 9to5Google, it appears the internet giant may already be working on some extra features for the new service. Specifically, references to separate audio and video quality settings were found within version 2.39 of the app, although these will seemingly be limited to downloaded content.