Xen 4.21
XEN-4.21Xen Project · Release · Xen Project Hypervisor
Supported until · in 1469 days
Xen 4.21 has an announced end-of-sale date; support continues until (in 1469 days).
- Released
- 12mo ago
- End of software maintenance
- in 2y
- End of security support
- in 4y
- End of support
- in 4y
Lifecycle Milestones
| Released | 12mo ago | |
|---|---|---|
| End of software maintenance | in 2y | |
| End of security vulnerability support | in 4y | |
| Last date of support | in 4y |
Is Xen 4.21 still maintained?
Yes. The catalog lists Xen Project support for Xen 4.21 through 2030-11-19. See Xen Project's lifecycle bulletin.
When do security fixes for Xen 4.21 stop?
Security fixes for Xen 4.21 stop on 2030-11-19. After that date, a system on this release cannot be patched against newly disclosed vulnerabilities without upgrading.
What should I upgrade Xen 4.21 to?
Upgrade to a currently maintained Xen Project release. Check Xen Project's release notes for the recommended version.
Xen 4.21 Release Lifecycle
Xen 4.21 is a release line of Xen Project Hypervisor. Xen Project 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. Vendor support will continue until .