Micronaut Framework 1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Micronaut Framework 1 reached end of life on 31 Dec 2021. It no longer receives security fixes.
Support timeline
Official dates from the Micronaut Framework release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 23 Oct 2018 | 7y 11mo ago |
| Active Development ended | 26 Jun 2020 | security fixes only after this |
| Active Maintenance ended | 31 Dec 2021 | 4y 9mo ago |
| Latest release | 1.3.7 · 10 Jul 2020 | final |
Where to go from 1
Recommended target: Micronaut Framework 5.
The newest actively supported branch is Micronaut Framework 5 (latest release 5.2.13).
Frequently asked questions
Is Micronaut Framework 1 still safe to use?
Micronaut Framework 1 reached end of life on 31 Dec 2021, 1,739 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Micronaut Framework 1?
Yes — the final release (1.3.7) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Micronaut Framework 1 to?
Upgrade to Micronaut Framework 5, the newest actively supported branch.