Gleam 1.15 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Gleam 1.15 reached end of life on 24 Apr 2026. It no longer receives security fixes.
107 days without security patches
Recommended action: upgrade to Gleam 1.18. Check your versiongleam --version
Support timeline
Official dates from the Gleam release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 16 Mar 2026 | — |
| End of life | 24 Apr 2026 | 0.3 years ago |
| Latest release | 1.15.4 · 12 Apr 2026 | final |
Where to go from 1.15
Recommended target: Gleam 1.18.
The newest actively supported branch is Gleam 1.18 (latest release 1.18.1).
Frequently asked questions
Is Gleam 1.15 still safe to use?
Gleam 1.15 reached end of life on 24 Apr 2026, 107 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Gleam 1.15?
Yes — the final release (1.15.4) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Gleam 1.15 to?
Upgrade to Gleam 1.18, the newest actively supported branch.