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Squid

Server App

Squid 7 is the newest actively maintained release, currently at patch 7.7. 1 of 14 tracked cycles remain supported.

Latest version

7.7

Aug 24, 2026

Actively maintained cycles

1

of 14 tracked

Total cycles tracked

14

since Mar 20, 2001

Support pattern

How Squid has behaved across the cycles tracked here, rather than what its policy documents state. Useful for judging how much runway a version is likely to have before you commit to it.

Typical support window

33 mo (~2.7 years)

median of 13 completed cycles

New cycle roughly every

22 months

median gap between releases

Compared with server app

+18 mo

longer than the server app median

Support windows are getting shorter: the most recent cycles run about 13 months less than the earlier ones.

Computed from release and end-of-life dates tracked for Squid. Medians are used rather than averages so one unusually short or long release does not skew the figure. Cycles with no recorded end-of-life date are excluded from the support window.

Release lifecycle

Actively maintainedSecurity support onlyEnd of life
Today
7Latest
7.7 · Aug 24, 2026
6
EOL Jul 10, 2025
5
EOL Jul 6, 2023
4
EOL Oct 4, 2021
3.5
EOL Aug 7, 2018
3.4
EOL Aug 1, 2015
3.3
EOL May 1, 2015
3.2
EOL May 1, 2015
3.1
EOL Jan 8, 2013
2.7
EOL Mar 14, 2010
3.0
EOL Aug 27, 2011
2.6
EOL Mar 26, 2010
2.5
EOL May 20, 2006
2.4
EOL Jul 2, 2002
20012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026

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