Recent News

Following the ruby-lang.org redesign, we have more news to celebrate Ruby’s 30th anniversary: docs.ruby-lang.org has a completely new look with Aliki—RDoc’s new default theme.

We are excited to announce a comprehensive redesign of our site. The design for this update was created by Taeko Akatsuka.

We are pleased to announce the release of Ruby 4.0.0-preview3. Ruby 4.0 introduces Ruby::Box and “ZJIT”, and adds many improvements.

Ruby 3.4.8 has been released.

We are pleased to announce the release of Ruby 4.0.0-preview2. Ruby 4.0 updates its Unicode version to 17,0.0, and so on.

Ruby 3.3.10 has been released.

Dear Ruby community,

Ruby 3.4.7 has been released.

We published security advisory for CVE-2025-61594.

There is a DoS vulnerability in REXML gem. This vulnerability has been assigned the CVE identifier CVE-2025-58767. We strongly recommend upgrading the REXML gem.