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Apache Log4j

Apache Log4j

Framework

Apache Log4j 2 is the newest actively maintained release, currently at patch 2.26.1. 1 of 4 tracked cycles remain supported.

Latest version

2.12.4

Dec 28, 2021

Actively maintained cycles

1

of 4 tracked

Total cycles tracked

4

since Jan 8, 2001

Support pattern

How Apache Log4j 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

30 mo (~2.5 years)

median of 3 completed cycles

New cycle roughly every

50 months

median gap between releases

Compared with framework

+11 mo

longer than the framework median

Computed from release and end-of-life dates tracked for Apache Log4j. 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
2.12Latest
EOL Dec 14, 2021
2.3
EOL Sep 20, 2015
2
2.26.1 · Jul 2, 2026
1
EOL Oct 15, 2015
20012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026

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