Proxmox Backup Server 3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Proxmox Backup Server 3 is actively supported. It reaches end of life on 31 Aug 2026.
22 days of security support left
3.4 latest release
98% of this branch's supported lifetime has elapsed — 28 Jun 2023 → 31 Aug 2026.
Check your versionproxmox-backup-manager versions
Support timeline
Official dates from the Proxmox Backup Server release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 28 Jun 2023 | — |
| End of life (scheduled) | 31 Aug 2026 | in 22 days |
| Latest release | 3.4 · 10 Apr 2025 | current |
How much runway a newer branch buys
Proxmox Backup Server 3 is the newest branch — this is the longest runway currently available.
| Branch | End of life | Days left | vs 3 |
|---|---|---|---|
| Proxmox Backup Server 3 | 31 Aug 2026 | 22 | this branch |
Frequently asked questions
When does Proxmox Backup Server 3 reach end of life?
Proxmox Backup Server 3 reaches end of life on 31 Aug 2026 — 22 days from now. After that date it receives no security fixes.
Is Proxmox Backup Server 3 still supported?
Yes. Proxmox Backup Server 3 is currently maintained. Latest release: 3.4, published 10 Apr 2025.
What happens when Proxmox Backup Server 3 reaches end of life?
Security fixes stop. After 31 Aug 2026 this branch receives no further updates under standard support.
How long do I have to upgrade from Proxmox Backup Server 3?
22 days. This is already the newest branch, so this is the longest runway currently available.