EventKit watchOS 4.3 to 5.0 API Differences

EKRecurrenceDayOfWeek.h
Modified EKRecurrenceDayOfWeek
Protocols
FromNSCopying
ToNSCopying, NSSecureCoding

EKRecurrenceEnd.h
Modified EKRecurrenceEnd
Protocols
FromNSCopying
ToNSCopying, NSSecureCoding