AudioToolbox macOS 10.14 to 10.15 API Differences

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

Declaration
From@property (nonatomic, readonly) AudioObjectID deviceID
To@property (nonatomic, readonly) AUAudioObjectID deviceID

Declaration
From- (BOOL)setDeviceID:(AudioObjectID)deviceID error:(NSError * _Nullable *)outError
To- (BOOL)setDeviceID:(AUAudioObjectID)deviceID error:(NSError * _Nullable *)outError

AUComponent.h
Added #def INTERAPP_AUDIO_DEPRECATED
AudioCodec.h
AudioFile.h
AudioFileStream.h
AudioFormat.h
AudioQueue.h
AudioServices.h
AudioUnitParameters.h
AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_DryWetReverbBlend

AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_GlobalReverbGainInDecibels

AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_OcclusionAttenuationInDecibels

AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_ObstructionAttenuationInDecibels

AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_MinGainInDecibels

AvailabilityReplacement
FromAvailablenone
ToDeprecatedk3DMixerParam_MaxGainInDecibels

AudioUnitProperties.h