CoreFoundation iOS 10.3 to 11.0 API Differences

CFAvailability.h

Added #def CF_TYPED_ENUM

Added #def CF_TYPED_EXTENSIBLE_ENUM

Added #def CF_ERROR_ENUM

CFDateFormatter.h

Added kCFISO8601DateFormatWithFractionalSeconds

CFError.h

Added kCFErrorLocalizedFailureKey

CFURL.h

Added kCFURLVolumeAvailableCapacityForImportantUsageKey

Added kCFURLVolumeAvailableCapacityForOpportunisticUsageKey

Added kCFURLVolumeSupportsImmutableFilesKey

Added kCFURLVolumeSupportsAccessPermissionsKey