Maven

org.slf4j:slf4j-api

The slf4j API

org.slf4j github.com/qos-ch/slf4j www.slf4j.orgMITQOS.CH Sarl2.5k · 1k forks · 103 contributors

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Compares against 2.0.20 (latest stable)

Latest Stable2.0.20Sep 23, 2026

Latest RC1.6.0-RC0Apr 21, 2010

Latest Beta2.0.0-beta1Aug 6, 2022

Latest Alpha2.1.0-alpha1Jan 2, 2024

Release cadenceEvery 2 months

Last releaseSep 23, 2026

Open advisories0

Changelog quality11% curated

GitHub Releases, gaps for some releases

Release history Security

2.x

STABLE · RCPRE-RELEASE Oct2024AprJulOct2025AprJulOct2026AprJul

96 older or filtered releases not shown.

Upgrade guides

Breaking changes and a migration checklist for each major version

org.slf4j:slf4j-api 1 → 21.7.36 → 2.0.20Sep 23, 2026 Unknown193

VersionChannelDateChangesSecurity

2.1.0-alpha1 AlphaJan 2, 2024No changes listed 2.1.0-alpha0 AlphaDec 28, 2023No changes listed 2.0.20 StableSep 23, 20261 2.0.19 StableSep 4, 202641 2.0.18 StableMay 12, 202621 2.0.17 StableFeb 25, 202531 2.0.16 StableAug 10, 2024No notes published 2.0.15 StableAug 8, 2024No notes published 2.0.14 StableAug 6, 2024No notes published 2.0.13 StableApr 12, 2024No notes published 2.0.12 StableFeb 5, 2024No notes published 2.0.11 StableJan 8, 2024No notes published 2.0.10 StableDec 28, 2023No notes published 2.0.9 StableSep 3, 2023No changes listed 2.0.8 StableSep 3, 2023No changes listed 2.0.7 StableMar 17, 2023No notes published 2.0.6 StableDec 12, 2022No notes published 2.0.5 StableNov 25, 2022No notes published 2.0.4 StableNov 17, 2022No notes published 2.0.3 StableSep 28, 2022No notes published