ClickHouse 26.5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
ClickHouse 26.5 is actively supported.
26.5.6.113 latest release
Check your versionclickhouse-client --version
Support timeline
Official dates from the ClickHouse release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 21 May 2026 | — |
| End of life (scheduled) | — | not announced |
| Latest release | 26.5.6.113 · 4 Aug 2026 | current |
Frequently asked questions
When does ClickHouse 26.5 reach end of life?
No end-of-life date has been announced for ClickHouse 26.5 yet.
Is ClickHouse 26.5 still supported?
Yes. ClickHouse 26.5 is currently maintained. Latest release: 26.5.6.113, published 4 Aug 2026.
What happens when ClickHouse 26.5 reaches end of life?
Security fixes stop. After — this branch receives no further updates under standard support.
How long do I have to upgrade from ClickHouse 26.5?
No end-of-life date has been announced yet.