EventKit macOS 10.14 to 10.15 API Differences

EKCalendar.h

Added EKCalendar.CGColor

EKError.h

Added EKErrorInvalidInviteReplyCalendar

Added EKErrorNotificationsCollectionFlagNotSet

Added EKErrorSourceMismatch

Added EKErrorNotificationCollectionMismatch

Added EKErrorNotificationSavedWithoutCollection

EKEventStore.h

Added -[EKEventStore saveEvent:span:error:]

Added -[EKEventStore removeEvent:span:error:]