CallKit iOS 13.6 to 14.0 API Differences

CXProviderConfiguration.h
Added -[CXProviderConfiguration init]
Modified CXProviderConfiguration.localizedName
DeclarationAvailabilityDeprecation Message
From@property (nonatomic, readonly, copy) NSString *localizedNameAvailablenone
To@property (nonatomic, readonly, copy) NSString *localizedNameDeprecatedNo longer supported

Modified -[CXProviderConfiguration initWithLocalizedName:]
AvailabilityReplacement
FromAvailablenone
ToDeprecatedinit