Apache CloudStack 4.21
CLOUDSTACK-4.21Apache CloudStack · Release
Unsupported since · 365 days ago
Apache CloudStack 4.21 reached end of support on (365 days ago).
- Released
- 1y 2mo ago
- End of software maintenance
- 1y ago
- End of security support
- 1y ago
- End of support
- 1y ago
Lifecycle Milestones
| Released | 1y 2mo ago | |
|---|---|---|
| End of software maintenance | 1y ago | |
| End of security vulnerability support | 1y ago | |
| Last date of support | 1y ago |
Is Apache CloudStack 4.21 still maintained?
No. Apache CloudStack no longer maintains Apache CloudStack 4.21; support ended on 2025-11-11. It receives no fixes of any kind, including security patches. Plan an upgrade to a maintained release. See Apache CloudStack's lifecycle bulletin.
When do security fixes for Apache CloudStack 4.21 stop?
Apache CloudStack stopped security fixes for Apache CloudStack 4.21 on 2025-11-11. A system on this release cannot be patched against vulnerabilities disclosed after that date without upgrading.
What should I upgrade Apache CloudStack 4.21 to?
Upgrade to a currently maintained Apache CloudStack release. Check Apache CloudStack's release notes for the recommended version.
Apache CloudStack 4.21 Release Lifecycle
Apache CloudStack 4.21 is a release line of Apache CloudStack. Apache CloudStack 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 Apache CloudStack no longer provides bug fixes or security updates for it. Installations still running Apache CloudStack 4.21 should move to a supported release.