BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Until//Countdowns//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:anthropic-claude-opus-5-5-end-of-life-2027-09-22@until
DTSTAMP:20261019T191018Z
DTSTART;VALUE=DATE:20270922
DTEND;VALUE=DATE:20270923
SUMMARY:Anthropic Claude Opus 5.5 end of life
DESCRIPTION:Anthropic Claude Opus 5.5 reaches end of life on September 22\,
  2027: upstream support ends and no further security fixes are expected. I
 t was released on September 22\, 2026.\n\nCountdown: https://until.day/eve
 nt/anthropic-claude-opus-5-5-end-of-life-2027-09-22
URL:https://until.day/event/anthropic-claude-opus-5-5-end-of-life-2027-09-2
 2
END:VEVENT
END:VCALENDAR