DuckDB 1.4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
DuckDB 1.4 is actively supported. It reaches end of life on 17 Nov 2026.
32 days of security support left
1.4.5 latest release
93% of this branch's supported lifetime has elapsed — 16 Sept 2025 → 17 Nov 2026.
Check your versionduckdb -version
Support timeline
Official dates from the DuckDB release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 16 Sept 2025 | 1y 1mo ago |
| Support Status ends | 17 Nov 2026 | in 1mo |
| Latest release | 1.4.5 · 17 Jun 2026 | current |
How much runway a newer branch buys
Moving to DuckDB 1.5 extends security support by about 104 days.
| Branch | End of life | Days left | vs 1.4 |
|---|---|---|---|
| DuckDB 1.5 | 1 Mar 2027 | 136 | +104 days |
| DuckDB 1.4 | 17 Nov 2026 | 32 | this branch |
Frequently asked questions
When does DuckDB 1.4 reach end of life?
DuckDB 1.4 reaches end of life on 17 Nov 2026 — 32 days from now. After that date it receives no security fixes.
Is DuckDB 1.4 still supported?
Yes. DuckDB 1.4 is currently maintained. Latest release: 1.4.5, published 17 Jun 2026.
What happens when DuckDB 1.4 reaches end of life?
Security fixes stop. After 17 Nov 2026 this branch receives no further updates under standard support.
How long do I have to upgrade from DuckDB 1.4?
32 days. Moving to DuckDB 1.5 instead buys roughly 104 more days of security support.