Proxmox Backup Server latest version & end-of-life dates

Latest version, released Apr 29, 2026 (5 months ago) Supported

4.2 Release notes ↗

Proxmox Backup Server currently has 1 supported release and 3 that have reached end of life. The newest is Proxmox Backup Server 4, released Aug 6, 2025, now at 4.2. New releases come out about every 19 months, and each is supported for about 2 years, 8 months.

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Support timeline

What the colors mean
4 3
Supported Today + 2 older branches below

Supported versions

BranchReleasedLatestStatusEnd of life
4 Aug 6, 2025 4.2
Apr 29, 2026		 Supported Not announced
3 end-of-life versions
BranchReleasedFinal versionEnd of life
3 Jun 28, 2023 3.4 Aug 31, 2026
2 Jul 13, 2021 2.4.1 Jul 31, 2024
1 Nov 11, 2020 1.1.10 Sep 30, 2022

Quick answers

What is the latest version of Proxmox Backup Server?
The latest version of Proxmox Backup Server is 4.2, released on April 29, 2026.
Which versions of Proxmox Backup Server are still supported?
Proxmox Backup Server 4 is currently supported.
How do I check which version of Proxmox Backup Server I have?
Run proxmox-backup-manager versions, then paste the result into the “Am I up to date?” box on this page.

Release history

RSS
  1. 4.2
  2. 4.2.0
  3. 4.1.9
  4. 4.1.8
  5. 4.1.7
  6. 4.1.6
  7. 4.1.5
  8. 4.1.0
  9. 4.0.11
  10. 3.4
  11. 3.4.0
  12. 3.3.4

Every version's release date is on its branch page.

Use this data

Proxmox Backup Server latest version badge

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Package identifiers (for SBOM and vulnerability scanners)

Official release policy · Source code · Checked 3 hours ago