EventKit iOS 12.0 Beta 2 to Beta 3 API Differences

EKRecurrenceDayOfWeek.h
Modified EKRecurrenceDayOfWeek
Protocols
FromNSCopying
ToNSCopying, NSSecureCoding

EKRecurrenceEnd.h
Modified EKRecurrenceEnd
Protocols
FromNSCopying
ToNSCopying, NSSecureCoding