Phoenix Framework 1.4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Phoenix Framework 1.4 reached end of life on 5 Aug 2025. It no longer receives security fixes.
Support timeline
Official dates from the Phoenix Framework release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 7 Nov 2018 | — |
| End of life | 5 Aug 2025 | 1.0 years ago |
| Active support ended | 22 Apr 2020 | security fixes only after this |
| Latest release | 1.4.18 · 10 Oct 2022 | final |
Where to go from 1.4
Recommended target: Phoenix Framework 1.8.
The newest actively supported branch is Phoenix Framework 1.8 (latest release 1.8.9).
Frequently asked questions
Is Phoenix Framework 1.4 still safe to use?
Phoenix Framework 1.4 reached end of life on 5 Aug 2025, 369 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Phoenix Framework 1.4?
Yes — the final release (1.4.18) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Phoenix Framework 1.4 to?
Upgrade to Phoenix Framework 1.8, the newest actively supported branch.