Ceph End of Life (EOL) Dates and End of Support (EOS) Dates

Latest Release: 20.2.4 (August 18, 2026)

10 Ceph versions have reached End of Life (EOL) and End of Support (EOS), including Ceph 18 (Reef) (EOL date: Mar 20, 2026) — no longer receiving security updates or patches. Ceph 19 (Squid) reaches its End of Support date on Oct 31, 2026 — plan your upgrade path now. Ceph 20.2.4 is the current supported release, with support through Jun 01, 2027. Also see Calico end of support life for related end-of-life information.

Ceph end of life dates timeline — release schedule chart of the 8 most recent Ceph versions, mapping security support windows against their EOL dates — Ceph end of life dates and end of support (EOS) dates shown as a release schedule — support windows for the 8 most recent Ceph releases of 12 total. Each bar runs from the release date to the end of security support, with the dashed line marking today. Exact Ceph EOL, EOS and EOSL dates for every version are listed in the tables below.

Currently Supported Ceph Releases - Active EOS/EOSL Support (1)

Release	Released	Security Support	Latest
20 (Tentacle)	Nov 18, 2025 (10 months ago)	Jun 01, 2027 (in 7 months)	20.2.4 2026-08-18 (1 month and 2 weeks ago)

Ceph Releases Nearing End of Life - Support Ending Soon (1)

Important: The following Ceph releases will reach End of Life (EOL) within 6 months. Plan your migration to a supported release to ensure continued security updates and support.

Release	Released	Security Support	Latest
19 (Squid)	Sep 26, 2024 (2 years ago)	Oct 31, 2026 (in 3 weeks and 2 days)	19.2.6 2026-08-18 (1 month and 2 weeks ago)

Ceph End of Life (EOL) Releases - No Longer Supported (10)

Release	Released	Security Support	Latest
18 (Reef)	Aug 07, 2023 (3 years and 2 months ago)	Mar 20, 2026 (6 months ago)	18.2.8 2026-03-11 (6 months ago)
17 (Quincy)	Apr 19, 2022 (4 years and 5 months ago)	Jan 13, 2025 (1 year and 8 months ago)	17.2.9 2025-05-20 (1 year and 4 months ago)
16 (Pacific)	Mar 31, 2021 (5 years and 6 months ago)	Mar 04, 2024 (2 years and 7 months ago)	16.2.15 2024-02-26 (2 years and 7 months ago)
15 (Octopus)	Mar 23, 2020 (6 years and 6 months ago)	Aug 09, 2022 (4 years and 1 month ago)	15.2.17 2022-08-09 (4 years and 1 month ago)
14 (Nautilus)	Mar 19, 2019 (7 years and 6 months ago)	Jun 30, 2021 (5 years and 3 months ago)	14.2.22 2021-06-29 (5 years and 3 months ago)

13 (Mimic)	Jun 01, 2018 (8 years and 4 months ago)	Jul 22, 2020 (6 years and 2 months ago)	13.2.10 2020-04-23 (6 years and 5 months ago)
12 (Luminous)	Aug 01, 2017 (9 years and 2 months ago)	Mar 01, 2020 (6 years and 7 months ago)	12.2.14 2021-12-15 (4 years and 9 months ago)
11 (Kraken)	Jan 01, 2017 (9 years and 9 months ago)	Aug 01, 2017 (9 years and 2 months ago)	11.2.1 2017-08-08 (9 years and 2 months ago)
10 (Jewel)	Apr 01, 2016 (10 years and 6 months ago)	Jul 01, 2018 (8 years and 3 months ago)	10.2.11 2018-07-09 (8 years and 2 months ago)
9 (Infernalis)	Nov 01, 2015 (10 years and 11 months ago)	Apr 01, 2016 (10 years and 6 months ago)	9.2.1 2016-02-24 (10 years and 7 months ago)

Ceph End of Life & Support Summary

Which Ceph Versions Are Currently Supported?

Ceph currently has 1 supported release. Ceph 20.2.4 is the latest, with active support through Jun 01, 2027. Note that Ceph 19 (Squid) support ends on Oct 31, 2026 — plan your upgrade before then. Also see Exim end of support life for related end-of-life information.

Ceph Versions Nearing End of Life

1 Ceph release is reaching End of Life (EOL) within 6 months. Ceph 19 (Squid) support ends on Oct 31, 2026. Upgrade to Ceph 20.2.4 to stay on a supported release. Also see HAProxy Ingress end of life dates for related end-of-life information.

Ceph End of Life (EOL) Version History

10 Ceph releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Ceph 18 (Reef) reached EOL on Mar 20, 2026. Ceph 20.2.4 is the recommended upgrade for users still on End of Life versions.