CoreBluetooth watchOS 5.3 to 6.0 API Differences

CBCentralManager.h
Added CBConnectionEvent
Added CBConnectionEventPeerDisconnected
Added CBConnectionEventPeerConnected
Added CBCentralManagerFeature
Added CBCentralManagerFeatureExtendedScanAndConnect
Added +[CBCentralManager supportsFeatures:]
Added -[CBCentralManager registerForConnectionEventsWithOptions:]
Added -[CBCentralManagerDelegate centralManager:connectionEventDidOccur:forPeripheral:]
Added -[CBCentralManagerDelegate centralManager:didUpdateANCSAuthorizationForPeripheral:]
CBCentralManagerConstants.h
Added CBConnectPeripheralOptionEnableTransportBridgingKey
Added CBConnectPeripheralOptionRequiresANCS
Added CBConnectionEventMatchingOption
Added CBConnectionEventMatchingOptionServiceUUIDs
Added CBConnectionEventMatchingOptionPeripheralUUIDs
CBError.h
Modified CBErrorUnkownDevice
AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedUse CBErrorUnknownDevice instead

CBManager.h
Added CBManagerAuthorization
Added CBManagerAuthorizationNotDetermined
Added CBManagerAuthorizationRestricted
Added CBManagerAuthorizationDenied
Added CBManagerAuthorizationAllowedAlways
Added CBManager.authorization
CBPeripheral.h
Added CBPeripheral.ancsAuthorized
CBPeripheralManager.h
Modified CBPeripheralManagerAuthorizationStatusNotDetermined
AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedUse CBManagerAuthorization instead

Modified CBPeripheralManagerAuthorizationStatusRestricted
AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedUse CBManagerAuthorization instead

Modified CBPeripheralManagerAuthorizationStatusDenied
AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedUse CBManagerAuthorization instead

Modified CBPeripheralManagerAuthorizationStatusAuthorized
AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedUse CBManagerAuthorization instead

Modified +[CBPeripheralManager authorizationStatus]
AvailabilityDeprecation Message
FromAvailablenone
ToDeprecatedUse CBManagerAuthorization instead