Proxmox Backup Server 4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Proxmox Backup Server 4 is actively supported. The vendor has not published an end-of-support date for this branch.
4.2 latest release
Check your versionproxmox-backup-manager versions
Support timeline
Official dates from the Proxmox Backup Server release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 6 Aug 2025 | — |
| End of life (scheduled) | — | not announced |
| Latest release | 4.2 · 29 Apr 2026 | current |
Frequently asked questions
When does Proxmox Backup Server 4 reach end of life?
No end-of-life date has been announced for Proxmox Backup Server 4 yet.
Is Proxmox Backup Server 4 still supported?
Yes. Proxmox Backup Server 4 is currently maintained. Latest release: 4.2, published 29 Apr 2026.
What happens when Proxmox Backup Server 4 reaches end of life?
Security fixes stop. After — this branch receives no further updates under standard support.
How long do I have to upgrade from Proxmox Backup Server 4?
No end-of-life date has been announced yet.