Proxmox Backup Server End of Life (EOL) Dates and End of Support (EOS) Dates

Latest Release: 4.2
Official Release Policy

3 Proxmox Backup Server versions have reached End of Life (EOL) and End of Support (EOS), including Proxmox Backup Server 3 (EOL date: Aug 31, 2026) — no longer receiving security updates or patches. Proxmox Backup Server 4.2 is the current supported release. Also see Bamboo end of life dates for related end-of-life information.

Proxmox Backup Server end of life dates timeline — release schedule chart of the 4 most recent Proxmox Backup Server versions, mapping security support windows against their EOL dates
Proxmox Backup Server end of life dates and end of support (EOS) dates shown as a release schedule — support windows for the 4 most recent Proxmox Backup Server releases. Each bar runs from the release date to the end of security support, with the dashed line marking today. Exact Proxmox Backup Server EOL, EOS and EOSL dates for every version are listed in the tables below.

Currently Supported Proxmox Backup Server Releases - Active EOS/EOSL Support (1)

Release Released Security Support Latest
4 (1 year and 1 month ago) Active 4.2 (4 months ago)

Proxmox Backup Server End of Life (EOL) Releases - No Longer Supported (3)

Release Released Security Support Latest
3 (3 years and 2 months ago) (1 week and 4 days ago) 3.4 (1 year and 5 months ago)
2 (5 years and 1 month ago) (2 years and 1 month ago) 2.4.1 (3 years and 5 months ago)
1 (5 years and 10 months ago) (3 years and 11 months ago) 1.1.10 (5 years and 2 months ago)

Proxmox Backup Server End of Life & Support Summary

Which Proxmox Backup Server Versions Are Currently Supported?

Proxmox Backup Server currently has 1 supported release. Proxmox Backup Server 4.2 is the latest. Also see Confluence end of support life for related end-of-life information.

Proxmox Backup Server End of Life (EOL) Version History

3 Proxmox Backup Server releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Proxmox Backup Server 3 reached EOL on Aug 31, 2026. Proxmox Backup Server 4.2 is the recommended upgrade for users still on End of Life versions.