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Proxmox Backup ServerEnd of Life (EOL) Dates & Support Status
Active
OtherLatest Version: 4.2Latest Release: Apr 29, 2026
Support summary
Proxmox Backup Server currently has supported cycles. Track the next EOL date and validate upgrades before your change window.
What do EOL and support statuses mean?Next EOL
No announced EOL date is currently listed.
Supported cycles
1
0 lts
Versions
4
Latest Version
4.2
Active Support
1
EOL
3
Lifecycle Timeline
Nov 11, 2020As of Sep 27, 2026
4Active · Date not announced
3EOL · Aug 31, 2026
2EOL · Jul 31, 2024
1EOL · Sep 30, 2022
ActiveSecurityEOLHistorical phase unknown
Bars show history up to the snapshot date. Gray intervals lack dated support boundaries; arrows indicate an unannounced EOL date, not a support guarantee.
Versions
| Release | Release Date | Active Support | EOL | Latest Version | LTS | Status |
|---|---|---|---|---|---|---|
| 4 | Aug 6, 2025 | Maintained | Date not announced | 4.2 | No | Active |
| 3 | Jun 28, 2023 | Ended | Aug 31, 2026 | 3.4 | No | EOL |
| 2 | Jul 13, 2021 | Ended | Jul 31, 2024 | 2.4.1 | No | EOL |
| 1 | Nov 11, 2020 | Ended | Sep 30, 2022 | 1.1.10 | No | EOL |
Data sources
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Show Proxmox Backup Server's live support status in your README, docs, or dashboard. The badge is a static SVG served from eol.wiki and follows the lifecycle data above.
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<a href="https://eol.wiki/proxmox-backup-server/"><img src="https://eol.wiki/badge/proxmox-backup-server.svg" alt="Proxmox Backup Server end-of-life status" height="20"></a>Frequently Asked Questions
Which versions of Proxmox Backup Server have reached end of life?
The following Proxmox Backup Server versions have reached end of life and no longer receive security updates: 3, 2, 1. It is recommended to upgrade to a supported version.
Is it safe to continue using Proxmox Backup Server 3?
Proxmox Backup Server 3 has reached end of life and no longer receives security patches or bug fixes. Continuing to use it may expose your systems to known vulnerabilities. We strongly recommend upgrading to a supported version.
What is the latest version of Proxmox Backup Server?
The latest version of Proxmox Backup Server is 4.2, released in the 4 release cycle.
How many versions of Proxmox Backup Server are currently supported?
Proxmox Backup Server currently has 1 actively supported version(s): 4.
When does Proxmox Backup Server 4 reach end of life?
Proxmox Backup Server 4 does not have a specific end-of-life date announced yet.
What should I do when Proxmox Backup Server reaches end of life?
When a Proxmox Backup Server version reaches end of life, you should: 1) Plan your migration to a supported version as soon as possible. 2) Review the release notes for breaking changes. 3) Test your applications thoroughly in a staging environment. 4) Update your dependencies to ensure compatibility with the new version.