Squid End of Life Dates
All 14 Squid release branches: support windows, latest releases, and what each EOL branch has missed since. Data refreshed daily.
Support lifecycle at a glance
■ supported ■ security fixes only ■ end of life
All versions
Release dates, end-of-life dates and current support status for every Squid branch.
| Branch | Released | End of life | Status | Latest |
|---|---|---|---|---|
| 7 | 10 Jul 2025 | — | supported | 7.6 |
| 6 | 6 Jul 2023 | 10 Jul 2025 | EOL | 6.14 |
| 5 | 31 Jul 2021 | 6 Jul 2023 | EOL | 5.9 |
| 4 | 3 Jul 2018 | 4 Oct 2021 | EOL | 4.17 |
| 3.5 | 13 Jan 2015 | 7 Aug 2018 | EOL | 3.5.28 |
| 3.4 | 8 Dec 2013 | 1 Aug 2015 | EOL | 3.4.14 |
| 3.3 | 9 Feb 2013 | 1 May 2015 | EOL | 3.3.14 |
| 3.2 | 14 Aug 2012 | 1 May 2015 | EOL | 3.2.14 |
| 3.1 | 29 Mar 2010 | 8 Jan 2013 | EOL | 3.1.23 |
| 2.7 | 27 May 2008 | 14 Mar 2010 | EOL | 2.7.9 |
| 3.0 | 14 Dec 2007 | 27 Aug 2011 | EOL | 3.0.26 |
| 2.6 | 1 Jul 2006 | 26 Mar 2010 | EOL | 2.6.24 |
| 2.5 | 24 Sept 2002 | 20 May 2006 | EOL | 2.5.14 |
| 2.4 | 20 Mar 2001 | 2 Jul 2002 | EOL | 2.4.7 |