Apache Airflow 1.9 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Apache Airflow 1.9 reached end of life on 27 Aug 2018. It no longer receives security fixes.
2,904 days without security patches
Recommended action: upgrade to Apache Airflow 3.3. Check your versionairflow version
Support timeline
Official dates from the Apache Airflow release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 2 Jan 2018 | — |
| End of life | 27 Aug 2018 | 8.0 years ago |
| Latest release | 1.9.0 · 2 Jan 2018 | final |
Where to go from 1.9
Recommended target: Apache Airflow 3.3.
The newest actively supported branch is Apache Airflow 3.3 (latest release 3.3.0).
Frequently asked questions
Is Apache Airflow 1.9 still safe to use?
Apache Airflow 1.9 reached end of life on 27 Aug 2018, 2,904 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Apache Airflow 1.9?
Yes — the final release (1.9.0) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Apache Airflow 1.9 to?
Upgrade to Apache Airflow 3.3, the newest actively supported branch.