AudioToolbox iOS 12.4 to 13.0 API Differences

AUAudioUnit.h
Declaration
From@property (nonatomic, readonly) AUParameterTree *parameterTree
To@property (nonatomic, retain) AUParameterTree *parameterTree

AUComponent.h
Added #def INTERAPP_AUDIO_DEPRECATED
AvailabilityReplacement
FromAvailablenone
ToDeprecatedkAudioUnitSubType_NewTimePitch

AvailabilityReplacement
FromAvailablenone
ToDeprecatedkAudioUnitSubType_GraphicEQ

AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedInter-App Audio API is deprecated in favor of Audio Units

AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedInter-App Audio API is deprecated in favor of Audio Units

AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedInter-App Audio API is deprecated in favor of Audio Units

AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedInter-App Audio API is deprecated in favor of Audio Units

AudioCodec.h
AudioFile.h
AudioFileStream.h
AudioFormat.h
AudioQueue.h
AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedLow Quality Zero Latency algorithm is now Deprecated. Please choose from other available options

AudioUnitParameters.h
AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_BusEnable

AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_MinGainInDecibels

AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_MaxGainInDecibels

AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_DryWetReverbBlend

AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_GlobalReverbGainInDecibels

AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_OcclusionAttenuationInDecibels

AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_ObstructionAttenuationInDecibels

AudioUnitProperties.h