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Pigeonhole
Active
Tools & MonitoringLatest Version: 2.4.5Latest Release: Aug 28, 2026
Pigeonhole is a Sieve language implementation for Dovecot email server mail filtering.
Support summary
Pigeonhole 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
2
0 lts
Versions
6
Latest Version
2.4.5
Active Support
2
EOL
4
Lifecycle Timeline
Oct 23, 2008As of Sep 19, 2026
2.4Active · Date not announced
0.5Active · Date not announced
0.4EOL · Jan 24, 2025
0.3EOL · Dec 24, 2017
0.2EOL · May 9, 2013
0.1EOL · Feb 16, 2012
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 |
|---|---|---|---|---|---|---|
| 2.4 | Jan 24, 2025 | Maintained | Date not announced | 2.4.5 | No | Active |
| 0.5 | Dec 24, 2017 | Maintained | Date not announced | 0.5.21.1 | No | Active |
| 0.4 | May 9, 2013 | Ended | Jan 24, 2025 | 0.4.24.2 | No | EOL |
| 0.3 | Feb 16, 2012 | Ended | Dec 24, 2017 | 0.3.6 | No | EOL |
| 0.2 | Sep 10, 2010 | Ended | May 9, 2013 | 0.2.5 | No | EOL |
| 0.1 | Oct 23, 2008 | Ended | Feb 16, 2012 | 0.1.4 | No | EOL |
Data sources
Sources
Frequently Asked Questions
Which versions of Pigeonhole have reached end of life?
The following Pigeonhole versions have reached end of life and no longer receive security updates: 0.4, 0.3, 0.2, 0.1. It is recommended to upgrade to a supported version.
Is it safe to continue using Pigeonhole 0.4?
Pigeonhole 0.4 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 Pigeonhole?
The latest version of Pigeonhole is 2.4.5, released in the 2.4 release cycle.
How many versions of Pigeonhole are currently supported?
Pigeonhole currently has 2 actively supported version(s): 2.4, 0.5.
When does Pigeonhole 2.4 reach end of life?
Pigeonhole 2.4 does not have a specific end-of-life date announced yet.
What should I do when Pigeonhole reaches end of life?
When a Pigeonhole 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.