Checkmk End of Life Dates
Release, end of support and end of life dates for every tracked Checkmk version, with current status.
All products · Vendor lifecycle page · Source entry
Status as of 2026-09-23 (UTC): 4 versions tracked; 2 supported, 0 security fixes only, 1 ending within 90 days, 1 end of life.
| Version | Status | Released | Support ends | Latest |
|---|---|---|---|---|
| 2.5 | Supported | 2026-04-28 | 2028-04-28 | 2.5 |
| 2.4 | Supported | 2025-05-06 | 2027-11-06 | 2.4 |
| 2.3 | Ends within 90 days (36 days left) | 2024-04-29 | 2026-10-29 | 2.3 |
| 2.2 | End of life | 2023-05-23 | 2025-11-23 | 2.2 |
Note: "Not announced" means the vendor has not published a date. "Ended (no date published)" means the source marks it ended without a date. Dates are compared as calendar days in UTC, so a date can flip up to a day earlier or later than your local calendar.
Data: endoflife.date (MIT license), snapshot 2026-09-23. Dates come from each vendor's published lifecycle. Always confirm with the vendor link before a purchase or migration decision.