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.
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 …
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 3.4.5 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 …
Ruby 3.4.4 Released | Ruby - Ruby Programming Language
May 14, 2025 · We intend to release the latest stable Ruby version (currently Ruby 3.4) every two months following the most recent release. Following this release (3.4.4), Ruby 3.4.5 is …
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 …
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, …
class Hash - Documentation for Ruby 4.0
person = {name: 'Matz', language: 'Ruby'} person # => {name: "Matz", language: "Ruby"} You can use a hash to give names to method arguments:
Ruby 3.4.3 Released | Ruby - Ruby Programming Language
Apr 14, 2025 · We intend to release the latest stable Ruby version (currently Ruby 3.4) every 2 months. Ruby 3.4.4 will be released in June, 3.4.5 in August, 3.4.6 in October, and 3.4.7 in …
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.