Recent News
Ruby 4.1.0-preview1 Released
We are pleased to announce the release of Ruby 4.1.0-preview1. Ruby 4.1 introduces Ractor local GC, Windows support of YJIT, autoload_relative, and adds many improvements.
Posted by naruse on 12 Oct 2026
Ruby 3.4.11 Released
Ruby 3.4.11 has been released. This is a regular scheduled update release includes bugfixes.
Posted by nagachika on 23 Sep 2026
Security advisories: CVE-2026-80212 and CVE-2026-80213
Two vulnerabilities have been discovered in the resolv gem bundled with Ruby. They have been assigned the CVE identifiers CVE-2026-80212 and CVE-2026-80213. We recommend upgrading the resolv gem.
Posted by hsbt on 27 Aug 2026
CVE-2026-46727: Use-after-free in pthread-based getaddrinfo timeout handler
A use-after-free vulnerability has been discovered in the pthread-based getaddrinfo timeout handler of Ruby. This vulnerability has been assigned the CVE identifier CVE-2026-46727. This issue has been fixed in Ruby 4.0.5. We recommend upgrading Ruby.
Posted by hsbt on 20 May 2026