RubyGems
bundler
The best way to manage your application's dependencies
package-managerrubyrubygems
github.com/ruby/rubygemsbundler.io/MITAndré Arko, Samuel Giddins, Colby Swandale +124k · 2k forks · 1.4k contributors
Release cadenceEvery 2 weeks
Last releaseOct 28, 2026
Open advisories0
Changelog quality100% curated
GitHub Releases + CHANGELOG
Release history SecurityYou're on
368 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionbundler 2 → 42.7.2 → 4.0.23Oct 14, 2026 BreakingBreaking8Security15Deprecated2New10Changed59Fixed56Other30bundler 1 → 21.17.3 → 2.7.2Sep 9, 2025 BreakingBreaking1Security2Deprecated6New13Changed32Fixed80Other40bundler 0.9 → 10.9.26 → 1.17.3Dec 27, 2018 Unknownbundler 0.8 → 0.90.8.1 → 0.9.26Jun 8, 2010 Unknownbundler 0.7 → 0.80.7.2 → 0.8.1Jan 6, 2010 Unknownbundler 0.6 → 0.70.6.0 → 0.7.2Dec 19, 2009 Unknownbundler 0.5 → 0.60.5.0 → 0.6.0Sep 24, 2009 Unknownbundler 0.4 → 0.50.4.1 → 0.5.0Sep 24, 2009 Unknownbundler 0.3 → 0.40.3.1 → 0.4.1Aug 20, 2009 Unknown
VersionChannelDateChangesSecurity
4.1.0.beta3 BetaOct 28, 2026No changes listed4.1.0.beta2 BetaOct 8, 2026No changes listed4.1.0.beta1 BetaSep 9, 2026No changes listed4.0.23 StableOct 14, 2026Security1Changed3Fixed34.0.22 StableSep 30, 2026Security3New2Changed2Fixed3Other14.0.21 StableSep 16, 2026Security1Changed2Fixed4Other14.0.20 StableSep 2, 2026Changed5Fixed9Other24.0.19 StableAug 20, 2026Security3New1Changed3Fixed3Other34.0.18 StableAug 5, 2026Security3Changed2Fixed5Other54.0.17 StableJul 22, 2026Changed2Fixed54.0.16 StableJul 10, 2026Changed1Fixed14.0.15 StableJun 23, 2026Changed2Fixed24.0.14 StableJun 10, 2026Security1New1Changed14.0.13 StableJun 3, 2026Security1Changed1Fixed24.0.12 StableMay 20, 2026Changed2Fixed24.0.11 StableApr 30, 2026Changed2Other14.0.10 StableApr 8, 2026Changed3Fixed34.0.9 StableMar 25, 2026Changed1Fixed2Other14.0.8 StableMar 11, 2026Changed2Fixed1Other14.0.7 StableFeb 25, 2026New1Changed2Other2