Oniguruma 5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Oniguruma 5 reached end of life on 9 May 2016. It no longer receives security fixes.
3,801 days without security patches
Support timeline
Official dates from the Oniguruma release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 19 Oct 2006 | 20y ago |
| Support ended | 9 May 2016 | 10y 5mo ago |
| Latest release | 5.9.6 · 7 Sept 2015 | final |
Frequently asked questions
Is Oniguruma 5 still safe to use?
Oniguruma 5 reached end of life on 9 May 2016, 3,801 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Oniguruma 5?
Yes — the final release (5.9.6) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Oniguruma 5 to?
Upgrade to the newest actively supported Oniguruma branch.