RubyGems
oauth2
🔐 OAuth 2.0, 2.1 & OIDC Core Ruby implementation
authenticationauthorizationoauth2oauth2-clientoidcoidc-clientsecurity
github.com/ruby-oauth/oauth2oauth2.galtzo.comMITErik Michaels-Ober, Jeremy Kemper, Michael Bleigh +972.2k · 630 forks · 155 contributors
Release cadenceEvery 6 days
Last releaseOct 25, 2026
Open advisories0
Changelog quality100% curated
GitHub Releases
Release history SecurityYou're on
63 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionoauth2 1 → 21.4.11 → 2.1.0Oct 25, 2026 BreakingBreaking2Security3Platform1New14Changed22Fixed21Other77oauth2 0.9 → 10.9.4 → 1.4.11Sep 16, 2022 Unknownoauth2 0.8 → 0.90.8.1 → 0.9.4May 24, 2014 Unknownoauth2 0.7 → 0.80.7.1 → 0.8.1Feb 20, 2013 Unknownoauth2 0.6 → 0.70.6.1 → 0.7.1Apr 27, 2012 Unknownoauth2 0.5 → 0.60.5.2 → 0.6.1Apr 18, 2012 Unknownoauth2 0.4 → 0.50.4.1 → 0.5.2Jan 4, 2012 Unknownoauth2 0.3 → 0.40.3.0 → 0.4.1Apr 22, 2011 Unknownoauth2 0.2 → 0.30.2.0 → 0.3.0Apr 8, 2011 Unknownoauth2 0.1 → 0.20.1.1 → 0.2.0Apr 1, 2011 Unknownoauth2 0.0 → 0.10.0.13 → 0.1.1Jan 12, 2011 Unknown
VersionChannelDateChangesSecurity
2.1.0 StableOct 25, 2026No changes listed2.0.26 youStableOct 25, 2026No changes listed2.0.25 StableJul 15, 2026Changed3Fixed1Other12.0.24 StableJun 18, 2026Changed2Fixed12.0.23 StableJun 13, 2026Changed1Fixed3Other12.0.22 StableJun 7, 2026Security1Changed1Other1Fix2.0.21 StableJun 7, 2026Platform1Changed3Fixed1Other172.0.20 StableMay 21, 2026New1Changed1Fixed12.0.19 StableMay 16, 2026Breaking1Security1New2Changed22.0.18 StableNov 8, 2025Fixed1Other52.0.17 StableSep 16, 2025New12.0.16 StableSep 14, 2025Other102.0.15 StableSep 8, 2025New2Changed1Fixed2Other22.0.14 StableAug 31, 2025Other62.0.13 StableAug 30, 2025New2Changed1Fixed1Other122.0.12 StableMay 31, 2025New1Other32.0.11 StableMay 23, 2025New1Changed2Fixed2Other82.0.10 StableMay 17, 2025Breaking1Security1New4Changed5Fixed8Other112.0.9 StableSep 16, 2022No changes listed2.0.8 StableSep 1, 2022No changes listed