Property,Status,Reference
CALSCALE,Current,"[RFC5545, Section 3.7.1]"
METHOD,Current,"[RFC5545, Section 3.7.2]"
PRODID,Current,"[RFC5545, Section 3.7.3]"
VERSION,Current,"[RFC5545, Section 3.7.4]"
ATTACH,Current,"[RFC5545, Section 3.8.1.1]"
CATEGORIES,Current,"[RFC5545, Section 3.8.1.2] [RFC7986, Section 5.6]"
CLASS,Current,"[RFC5545, Section 3.8.1.3]"
COMMENT,Current,"[RFC5545, Section 3.8.1.4]"
DESCRIPTION,Current,"[RFC5545, Section 3.8.1.5] [RFC7986, Section 5.2]"
GEO,Current,"[RFC5545, Section 3.8.1.6]"
LOCATION,Current,"[RFC5545, Section 3.8.1.7]"
PERCENT-COMPLETE,Current,"[RFC5545, Section 3.8.1.8]"
PRIORITY,Current,"[RFC5545, Section 3.8.1.9]"
RESOURCES,Current,"[RFC5545, Section 3.8.1.10]"
STATUS,Current,"[RFC5545, Section 3.8.1.11]"
SUMMARY,Current,"[RFC5545, Section 3.8.1.12]"
COMPLETED,Current,"[RFC5545, Section 3.8.2.1]"
DTEND,Current,"[RFC5545, Section 3.8.2.2]"
DUE,Current,"[RFC5545, Section 3.8.2.3]"
DTSTART,Current,"[RFC5545, Section 3.8.2.4]"
DURATION,Current,"[RFC5545, Section 3.8.2.5]"
FREEBUSY,Current,"[RFC5545, Section 3.8.2.6]"
TRANSP,Current,"[RFC5545, Section 3.8.2.7]"
TZID,Current,"[RFC5545, Section 3.8.3.1]"
TZNAME,Current,"[RFC5545, Section 3.8.3.2]"
TZOFFSETFROM,Current,"[RFC5545, Section 3.8.3.3]"
TZOFFSETTO,Current,"[RFC5545, Section 3.8.3.4]"
TZURL,Current,"[RFC5545, Section 3.8.3.5]"
ATTENDEE,Current,"[RFC5545, Section 3.8.4.1]"
CONTACT,Current,"[RFC5545, Section 3.8.4.2]"
ORGANIZER,Current,"[RFC5545, Section 3.8.4.3]"
RECURRENCE-ID,Current,"[RFC5545, Section 3.8.4.4]"
RELATED-TO,Current,"[RFC5545, Section 3.8.4.5]
      [RFC9253, Section 9.1]"
URL,Current,"[RFC5545, Section 3.8.4.6] [RFC7986, Section 5.5]"
UID,Current,"[RFC5545, Section 3.8.4.7] [RFC7986, Section 5.3]"
EXDATE,Current,"[RFC5545, Section 3.8.5.1]"
EXRULE,Deprecated,"[RFC2445, Section 4.8.5.2]"
RDATE,Current,"[RFC5545, Section 3.8.5.2]"
RRULE,Current,"[RFC5545, Section 3.8.5.3]"
ACTION,Current,"[RFC5545, Section 3.8.6.1]"
REPEAT,Current,"[RFC5545, Section 3.8.6.2]"
TRIGGER,Current,"[RFC5545, Section 3.8.6.3]"
CREATED,Current,"[RFC5545, Section 3.8.7.1]"
DTSTAMP,Current,"[RFC5545, Section 3.8.7.2]"
LAST-MODIFIED,Current,"[RFC5545, Section 3.8.7.3] [RFC7986, Section 5.4]"
SEQUENCE,Current,"[RFC5545, Section 3.8.7.4]"
REQUEST-STATUS,Current,"[RFC5545, Section 3.8.8.3]"
XML,Current,"[RFC6321, Section 4.2]"
TZUNTIL,Current,"[RFC7808, Section 7.1]"
TZID-ALIAS-OF,Current,"[RFC7808, Section 7.2]"
BUSYTYPE,Current,"[RFC7953, Section 3.2]"
NAME,Current,"[RFC7986, Section 5.1]"
REFRESH-INTERVAL,Current,"[RFC7986, Section 5.7]"
SOURCE,Current,"[RFC7986, Section 5.8]"
COLOR,Current,"[RFC7986, Section 5.9]"
IMAGE,Current,"[RFC7986, Section 5.10]"
CONFERENCE,Current,"[RFC7986, Section 5.11]"
CALENDAR-ADDRESS,Current,"[RFC9073, Section 6.4]"
LOCATION-TYPE,Current,"[RFC9073, Section 6.1]"
PARTICIPANT-TYPE,Current,"[RFC9073, Section 6.2]"
RESOURCE-TYPE,Current,"[RFC9073, Section 6.3]"
STRUCTURED-DATA,Current,"[RFC9073, Section 6.6]"
STYLED-DESCRIPTION,Current,"[RFC9073, Section 6.5]"
ACKNOWLEDGED,Current,"[RFC9074, Section 6.1]"
PROXIMITY,Current,"[RFC9074, Section 8.1]"
CONCEPT,Current,"[RFC9253, Section 8.1]"
LINK,Current,"[RFC9253, Section 8.2]"
REFID,Current,"[RFC9253, Section 8.3]"