Queuing Bug in MPMusicPlayerController's append(_ :) & prepend(_:) on iOS 17 Beta

There’s an unexpected behaviour when using the append(_:) & prepend(_:) methods on iOS 17 Beta 6 and Public Beta 4.

Observed Behaviour

When queuing using the mentioned methods on recent iOS 17 Betas, the supplied music isn‘t queued up and the now playing music pauses. When using applicationQueuePlayer, it even ends up crashing the app.

FB13010449

Sample Project