Contacts watchOS 5.2 to 6.0 API Differences

CNChangeHistoryEvent.h
CNChangeHistoryFetchRequest.h
CNContactFetchRequest.h
Superclass
FromNSObject
ToCNFetchRequest

CNContactRelation.h
CNContactStore.h
CNError.h
Added CNErrorCodeFeatureDisabledByUser
CNFetchRequest.h
CNFetchResult.h
CNLabeledValue.h