Guzzle 4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Guzzle 4 reached end of life on 31 Oct 2016. It no longer receives security fixes.
3,626 days without security patches
Recommended action: upgrade to Guzzle 8. Support timeline
Official dates from the Guzzle release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 29 Mar 2014 | 12y 6mo ago |
| Security Support ended | 31 Oct 2016 | 9y 11mo ago |
| Latest release | 4.2.4 · 15 Jul 2016 | final |
Where to go from 4
Recommended target: Guzzle 8.
The newest actively supported branch is Guzzle 8 (latest release 8.2.0).
Frequently asked questions
Is Guzzle 4 still safe to use?
Guzzle 4 reached end of life on 31 Oct 2016, 3,626 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Guzzle 4?
Yes — the final release (4.2.4) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Guzzle 4 to?
Upgrade to Guzzle 8, the newest actively supported branch.