End interrupt not issued in iOS12.2 Beta

Hello,


I developed our music app by using AVAudioEngine.

When I played music and called phone for interrupt test, i couldn't receive end interrupt notification.

I tried to solve this issue, and i found reason for this case.

When AVAudioEngineConfigurationChange notification issued, i restarted AVAudioEngine if user playing music.

But In iOS12.2 Beta, if AVAudioEngineConfigurationChange received before begin interrupt, End Interrupt not issued.

In other hand I did not restart AVAudioEngine, End Interrupt could be received.


I solved this issue that when AVAudioEngineConfigurationChange received, AVAudioEngine restarted after one second not stoped music.

But I want to solve completly. Could you help me?