Alpine Linux 3.21
ALPINE-3.21Alpine Linux · Release
Unsupported since · 8 days ago
Alpine Linux 3.21 reached end of support on (8 days ago).
- Released
- 1y 11mo ago
- End of software maintenance
- 8 days ago
- End of security support
- 8 days ago
- End of support
- 8 days ago
Lifecycle Milestones
| Released | 1y 11mo ago | |
|---|---|---|
| End of software maintenance | 8 days ago | |
| End of security vulnerability support | 8 days ago | |
| Last date of support | 8 days ago |
Is Alpine Linux 3.21 still maintained?
No. Alpine Linux no longer maintains Alpine Linux 3.21; support ended on 2026-11-01. It receives no fixes of any kind, including security patches. Plan an upgrade to a maintained release. See Alpine Linux's lifecycle bulletin.
When do security fixes for Alpine Linux 3.21 stop?
Alpine Linux stopped security fixes for Alpine Linux 3.21 on 2026-11-01. A system on this release cannot be patched against vulnerabilities disclosed after that date without upgrading.
What should I upgrade Alpine Linux 3.21 to?
Upgrade to a currently maintained Alpine Linux release. Check Alpine Linux's release notes for the recommended version.
Alpine Linux 3.21 Release Lifecycle
Alpine Linux 3.21 is a release line of Alpine Linux. Alpine Linux ships bug fixes until the end of active support and security fixes until the end of security support; after that, systems still running it must move to a supported release to stay patchable. The dates below are the published milestones for this release line. This release has reached end of life as of , meaning Alpine Linux no longer provides bug fixes or security updates for it. Installations still running Alpine Linux 3.21 should move to a supported release.