Guzzle 5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Guzzle 5 reached end of life on 31 Oct 2019. It no longer receives security fixes.
2,474 days without security patches
Recommended action: upgrade to Guzzle 8. Support timeline
Official dates from the Guzzle release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 12 Oct 2014 | — |
| End of life | 31 Oct 2019 | 6.8 years ago |
| Latest release | 5.3.4 · 30 Oct 2019 | final |
Where to go from 5
Recommended target: Guzzle 8.
The newest actively supported branch is Guzzle 8 (latest release 8.0.2).
Frequently asked questions
Is Guzzle 5 still safe to use?
Guzzle 5 reached end of life on 31 Oct 2019, 2,474 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Guzzle 5?
Yes — the final release (5.3.4) 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 5 to?
Upgrade to Guzzle 8, the newest actively supported branch.