Mavenorg.
org.apache.logging.log4j:log4j-1.2-api
The Apache Log4j 1.x Compatibility API
apacheapijavajvmlibrarylog4jlog4j2logger
org.apache.logging.log4jgithub.com/apache/logging-log4j2logging.apache.org/log4j/3.x/Apache-2.0Ralph Goers, Gary Gregory, Scott Deboy +113.6k · 1.7k forks · 309 contributors
Release cadenceEvery 2 months
Last releaseJul 1, 2026
Open advisories0
Changelog quality100% curated
GitHub Releases
Release history SecurityYou're on
51 older or filtered releases not shown.
VersionChannelDateChangesSecurity
3.0.0-beta2 BetaFeb 17, 2024No changes listed3.0.0-beta1 BetaDec 19, 2023No changes listed3.0.0-alpha1 AlphaJun 18, 2023No changes listed2.26.1 StableJun 29, 2026Changed1Fixed6Other12.26.0 StableMay 2, 2026Breaking1Deprecated1New4Changed5Fixed62.25.5 youStableJul 1, 2026Changed1Fixed6Other12.25.4 StableMar 25, 2026Security1Fixed9Other1Fix2.25.3 StableDec 15, 2025Changed2Fixed32.25.2 StableSep 18, 2025Fixed92.25.1 StableJul 5, 2025Changed1Fixed92.25.0 StableJun 13, 2025Breaking2Deprecated6New9Changed37Fixed33Other22.24.3 StableDec 10, 2024Fixed22.24.2 StableNov 18, 2024Fixed32.24.1 StableSep 24, 2024Changed2Fixed2Other22.24.0 StableSep 3, 2024Breaking9Deprecated6New5Changed27Fixed15Other42.23.1 StableMar 6, 2024New1Changed8Fixed62.23.0 StableFeb 17, 2024Deprecated2New1Changed8Fixed10Other12.22.1 StableDec 22, 2023Platform1Changed15Fixed62.22.0 StableNov 17, 2023Breaking1New1Changed13Fixed62.21.1 StableOct 20, 2023Fixed1