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

Latest Release: 26.9.12.8

17 ClickHouse versions have reached End of Life (EOL) and End of Support (EOS), including ClickHouse 26.6 (EOL date: Sep 21, 2026) — no longer receiving security updates or patches. ClickHouse 26.3 (LTS) reaches its End of Support date on Mar 26, 2027 — plan your upgrade path now. ClickHouse 26.9.12.8 is the current supported release — 3 versions in active support. Also see CockroachDB end of life dates for related end-of-life information.

ClickHouse end of life dates timeline — release schedule chart of the 8 most recent ClickHouse versions, mapping security support windows against their EOL dates
ClickHouse end of life dates and end of support (EOS) dates shown as a release schedule — support windows for the 8 most recent ClickHouse releases of 21 total. Each bar runs from the release date to the end of security support, with the dashed line marking today. Exact ClickHouse EOL, EOS and EOSL dates for every version are listed in the tables below.

Currently Supported ClickHouse Releases - Active EOS/EOSL Support (3)

Release Released Support Latest LTS
26.9 (2 weeks and 3 days ago) Active 26.9.12.8 (2 days ago) -
26.8 (LTS) (1 month and 1 week ago) (in 10 months) 26.8.20.9 (1 day ago) LTS
26.7 (2 months ago) Active 26.7.24.8 (1 day ago) -

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

Important: The following ClickHouse 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 Support Latest LTS
26.3 (LTS) (6 months ago) (in 5 months) 26.3.44.2 (1 day ago) LTS

ClickHouse End of Life (EOL) Releases - No Longer Supported (17)

Release Released Support Latest LTS
26.6 (3 months ago) (2 weeks and 3 days ago) 26.6.8.7 (3 weeks and 1 day ago) -
26.5 (4 months ago) (1 month and 1 week ago) 26.5.7.64 (1 month and 2 weeks ago) -
26.4 (5 months ago) (2 months ago) 26.4.5.143 (2 months ago) -
26.2 (7 months ago) (4 months ago) 26.2.19.43 (4 months ago) -
26.1 (8 months ago) (5 months ago) 26.1.12.23 (4 months ago) -
25.12 (9 months ago) (6 months ago) 25.12.12.1 (5 months ago) -
25.11 (10 months ago) (7 months ago) 25.11.9.34 (7 months ago) -
25.10 (11 months ago) (8 months ago) 25.10.7.6 (5 months ago) -
25.9 (1 year ago) (9 months ago) 25.9.7.56 (9 months ago) -
25.8 (LTS) (1 year and 1 month ago) (1 month and 1 week ago) 25.8.33.6 (1 month and 1 week ago) LTS
25.7 (1 year and 2 months ago) (11 months ago) 25.7.8.71 (11 months ago) -
25.6 (1 year and 3 months ago) (1 year ago) 25.6.13.41 (11 months ago) -
25.5 (1 year and 4 months ago) (1 year and 1 month ago) 25.5.11.15 (11 months ago) -
25.4 (1 year and 5 months ago) (1 year and 2 months ago) 25.4.13.22 (1 year and 2 months ago) -
25.3 (LTS) (1 year and 6 months ago) (6 months ago) 25.3.14.14 (8 months ago) LTS
25.2 (1 year and 7 months ago) (1 year and 4 months ago) 25.2.2.39 (1 year and 6 months ago) -
25.1 (1 year and 8 months ago) (1 year and 5 months ago) 25.1.8.25 (1 year and 6 months ago) -

ClickHouse End of Life & Support Summary

Which ClickHouse Versions Are Currently Supported?

ClickHouse currently has 3 supported releases. ClickHouse 26.9.12.8 is the latest. ClickHouse 26.8 (LTS) is also supported until Aug 27, 2027. Note that ClickHouse 26.3 (LTS) support ends on Mar 26, 2027 — plan your upgrade before then. Also see PostgreSQL end of service life for related end-of-life information.

ClickHouse Versions Nearing End of Life

1 ClickHouse release is reaching End of Life (EOL) within 6 months. ClickHouse 26.3 (LTS) support ends on Mar 26, 2027. Upgrade to ClickHouse 26.9.12.8 to stay on a supported release. Also see MongoDB Server end of service life for related end-of-life information.

ClickHouse End of Life (EOL) Version History

17 ClickHouse releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. ClickHouse 26.6 reached EOL on Sep 21, 2026. ClickHouse 26.9.12.8 is the recommended upgrade for users still on End of Life versions.