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Changelog

ical.net

iCal.NET - iCalendar library for .Net

970249C#NOASSERTION

Last updated 2 days ago

NewDecember 1, 2025

v5.1.3

Fix: Correct handling RRULE:FREQ=YEARLY combined with BYMONTH and BYWEEKNO. The previous implementation could skip occurrences in some scenarios.
Fix: Correct handling RRULE:FREQ=YEARLY when BYMONTH ist missing, e.g. RRULE:FREQ=YEARLY;INTERVAL=2;BYDAY=MO,TU. Now takes the month of DTSTART as a limiter. The previous implementation could show occurrences for wrong months.

Full Changelog: https://github.com/ical-org/ical.net/compare/v5.1.2...v5.1.3

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