DuckDB 1.5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
DuckDB 1.5 is actively supported. The vendor has not published an end-of-support date for this branch.
1.5.5 latest release
Check your versionduckdb -version
Support timeline
Official dates from the DuckDB release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 9 Mar 2026 | — |
| End of life (scheduled) | — | not announced |
| Latest release | 1.5.5 · 22 Jul 2026 | current |
Frequently asked questions
When does DuckDB 1.5 reach end of life?
No end-of-life date has been announced for DuckDB 1.5 yet.
Is DuckDB 1.5 still supported?
Yes. DuckDB 1.5 is currently maintained. Latest release: 1.5.5, published 22 Jul 2026.
What happens when DuckDB 1.5 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 DuckDB 1.5?
No end-of-life date has been announced yet.