Guzzle 6 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Guzzle 6 reached end of life on 31 Oct 2023. It no longer receives security fixes.
1,070 days without security patches
Recommended action: upgrade to Guzzle 8. Support timeline
Official dates from the Guzzle release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 26 May 2015 | 11y 4mo ago |
| Security Support ended | 31 Oct 2023 | 2y 11mo ago |
| Latest release | 6.5.8 · 20 Jun 2022 | final |
Where to go from 6
Recommended target: Guzzle 8.
The newest actively supported branch is Guzzle 8 (latest release 8.2.0).
Frequently asked questions
Is Guzzle 6 still safe to use?
Guzzle 6 reached end of life on 31 Oct 2023, 1,070 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Guzzle 6?
Yes — the final release (6.5.8) 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 6 to?
Upgrade to Guzzle 8, the newest actively supported branch.