"SystemVolumeDidChange" key is not working on iOS 16.4 beta is there any replacement of this key available ?
SystemVolumeDidChange not working in (iOS 16.4 beta)
That notification has been private for a while (I can't remember if it was officially documented at some point in the past). You need to observe outputVolume
of your audio session. Documentation here: https://developer.apple.com/documentation/avfaudio/avaudiosession/1616533-outputvolume