Ruby Standard Library Documentation
2003-11-23
“Documentation for the Ruby 1.8 standard library”: http://www.ruby-doc.org/stdlib/ is available. This is the HTML from the RDoc comments resulting from Gavin Sinclair’s stdlib-doc project.
Recent News
Ruby 3.3.13 Released
Ruby 3.3.13 has been released.
Posted by hsbt on 23 Oct 2026
Ruby 3.4.12 Released
Ruby 3.4.12 has been released.
Posted by nagachika on 23 Oct 2026
Ruby 4.0.9 Released
Ruby 4.0.9 has been released.
Posted by k0kubun on 23 Oct 2026
Regexp compilation fixes related to GitLab's CVE-2026-89078, CVE-2026-93577, CVE-2026-97229 and CVE-2026-110264
We have released Ruby 4.0.9, 3.4.12 and 3.3.13. They fix several bugs in Ruby’s regular expression engine (Onigmo) that GitLab found could be used for...
Posted by k0kubun on 23 Oct 2026