Kirby 2.3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Kirby 2.3 reached end of life on 1 Jan 2021. It no longer receives security fixes.
2,046 days without security patches
Recommended action: upgrade to Kirby 5. Support timeline
Official dates from the Kirby release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 17 May 2016 | — |
| End of life | 1 Jan 2021 | 5.6 years ago |
| Latest release | 2.3.3 · 31 Oct 2017 | final |
Where to go from 2.3
Recommended target: Kirby 5.
The newest actively supported branch is Kirby 5 (latest release 5.5.3).
Frequently asked questions
Is Kirby 2.3 still safe to use?
Kirby 2.3 reached end of life on 1 Jan 2021, 2,046 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Kirby 2.3?
Yes — the final release (2.3.3) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Kirby 2.3 to?
Upgrade to Kirby 5, the newest actively supported branch.