Support for iCalendar Relationships
RFC 9253

Received changes through RFC Editor sync (created alias RFC 9253, changed abstract to 'This specification updates the iCalendar RELATED-TO property defined in RFC 5545 by adding new relation types and introduces new iCalendar properties (LINK, CONCEPT, and REFID) to allow better linking and grouping of iCalendar components and related data.', changed pages to 19, changed standardization level to Proposed Standard, changed state to RFC, added RFC published event at 2022-08-18, changed IESG state to RFC Published, created updates relation between draft-ietf-calext-ical-relations and RFC 5545)