Download Ruby | Ruby
See the Installation page for details on building Ruby from source. If you have an issue compiling Ruby, consider using one of the third party tools mentioned above.
index - Documentation for Ruby 4.0
Ruby Documentation Welcome to the official Ruby programming language documentation. Getting Started New to Ruby? Start with our Getting Started Guide. Core Classes and …
index - Documentation for Ruby 3.4
Ruby Documentation Welcome to the official Ruby programming language documentation. Getting Started New to Ruby? Start with our Getting Started Guide. Core Classes and …
Ruby 3.4.5 Released | Ruby - Ruby Programming Language
Jul 15, 2025 · We intend to release the latest stable Ruby version (currently Ruby 3.4) every two months following the most recent release. Ruby 3.4.6 is scheduled for September, 3.4.7 for …
Official Ruby FAQ
Like Smalltalk, everything in Ruby is an object, and Ruby has blocks, iterators, meta-classes and other good stuff. You can use Ruby to write servers, experiment with prototypes, and for …
Ruby 3.5.0 preview1 Released | Ruby - Ruby Programming Language
Apr 18, 2025 · Ruby was first developed by Matz (Yukihiro Matsumoto) in 1993, and is now developed as Open Source. It runs on multiple platforms and is used all over the world …
class Regexp - Documentation for Ruby 4.0
Identical regexp can or cannot run in linear time depending on your ruby binary. Neither forward nor backward compatibility is guaranteed about the return value of this method.
Ruby 3.4.2 Released | Ruby - Ruby Programming Language
Feb 14, 2025 · We intend to release the latest stable Ruby version (currently Ruby 3.4) every 2 months. Ruby 3.4.3 will be released in April, 3.4.4 in June, 3.4.5 in August, 3.4.6 in October, …
Ruby 3.3.9 Released | Ruby - Ruby Programming Language
Jul 24, 2025 · Ruby 3.3.9 has been released. This release includes the following security fix of default gems: CVE-2025-24294: Possible Denial of Service in resolv gem and the following …
control_expressions - Documentation for Ruby 4.0
Ruby’s grammar differentiates between statements and expressions. All expressions are statements (an expression is a type of statement), but not all statements are expressions.