Harbor 2.3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Harbor 2.3 reached end of life on 28 Aug 2022. It no longer receives security fixes.
1,442 days without security patches
Recommended action: upgrade to Harbor 2.15. Support timeline
Official dates from the Harbor release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 17 Jun 2021 | — |
| End of life | 28 Aug 2022 | 4.0 years ago |
| Latest release | 2.3.5 · 15 Dec 2021 | final |
Where to go from 2.3
Recommended target: Harbor 2.15.
The newest actively supported branch is Harbor 2.15 (latest release 2.15.2).
Frequently asked questions
Is Harbor 2.3 still safe to use?
Harbor 2.3 reached end of life on 28 Aug 2022, 1,442 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Harbor 2.3?
Yes — the final release (2.3.5) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Harbor 2.3 to?
Upgrade to Harbor 2.15, the newest actively supported branch.