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<!DOCTYPE html>
<html lang="en" class="gr__getbootstrap_com">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="description" content="">
<meta name="author" content="">
<link rel="icon" href="./assets/favicon.ico">
<title>Ruby versions changelog</title>
<link href="./assets/bootstrap.min.css" rel="stylesheet">
<link href="./assets/styles.css" rel="stylesheet">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>
</head>
<body class="text-center" data-gr-c-s-loaded="true" style="">
<div class="cover-container d-flex w-100 h-100 p-3 mx-auto flex-column">
<header class="masthead mb-auto">
<div class="inner">
<h3 class="masthead-brand">Ruby versions changelog</h3>
</div>
</header>
<main role="main" class="inner cover">
<div class="card">
<h5 class="card-header">Ruby 3.2.x</h5>
<div class="card-body">
<p class-"card-text">3.2.0 (Dec 2022) - 3.2.2 (March 2023).</p>
<p>Status: Supported</p>
<p class-"card-text">Implementations:
<span class="badge badge-info">
<a href="https://www.ruby-lang.org/en/news/2023/03/30/ruby-3-2-2-released/" target="_blank">MRI 3.2.2</a>
</span>
</p>
<ul class="list-unstyled">
<li>
<span class="badge badge-light">
Internals
</span>
WASI based WebAssembly support
</li>
<li>
<span class="badge badge-light">
Internals
</span>
Production-ready YJIT
</li>
<li>
<span class="badge badge-light">
Internals
</span>
Regexp improvements against ReDoS
</li>
<li>
<span class="badge badge-light">
Internals
</span>
IRB improvements (SyntaxSuggest, ErrorHighlight)
</li>
<li>
<span class="badge badge-light">
Internals
</span>
Bundler 2.4 now uses PubGrub resolver instead of Molinillo
</li>
</ul>
</div>
</div>
</br>
<div class="card">
<h5 class="card-header">Ruby 3.1.x</h5>
<div class="card-body">
<p class-"card-text">3.1.0 (Dec 2020) - 3.1.4 (March 2023).</p>
<p>Status: Supported</p>
<p class-"card-text">Implementations:
<span class="badge badge-info">
<a href="https://www.ruby-lang.org/en/news/2023/03/30/ruby-3-1-4-released/" target="_blank">MRI 3.1.4</a>
</span>
</p>
<ul class="list-unstyled">
<li>
<span class="badge badge-light">
Internals
</span>
YJIT: New experimental in-process JIT compiler
</li>
<li>
<span class="badge badge-success">
Added
</span>
debug gem: A new debugger
</li>
<li>
<span class="badge badge-success">
Added
</span>
error_highlight: Fine-grained error location in backtrace
</li>
<li>
<span class="badge badge-success">
Added
</span>
IRB Autocomplete and Documentation Display
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
Values in Hash literals and keyword arguments can be omitted.
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
Updates in RBS / TypeProf
</li>
</ul>
</div>
</div>
</br>
<div class="card">
<h5 class="card-header">Ruby 3.0.x</h5>
<div class="card-body">
<p class-"card-text">3.0.0 (Dec 2020) - 3.0.6 (March 2023).</p>
<p>Status: Security maintenance phase</p>
<p class-"card-text">Implementations:
<span class="badge badge-info">
<a href="https://www.ruby-lang.org/en/news/2023/03/30/ruby-3-0-6-released/" target="_blank">MRI 3.0.6</a>
</span>
</p>
<ul class="list-unstyled">
<li>
<span class="badge badge-light">
Internals
</span>
MJIT improvements
</li>
<li>
<span class="badge badge-success">
Added
</span>
Ractor - Actor-model like concurrent abstraction
</li>
<li>
<span class="badge badge-success">
Added
</span>
Fiber Scheduler for light-weight concurrency
</li>
<li>
<span class="badge badge-success">
Added
</span>
RBS - a language to describe the structure of Ruby classes
</li>
<li>
<span class="badge badge-success">
Added
</span>
TypeProf - type analysis tool, generates RBS type signatures
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>Hash#except</code>
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
Keyword arguments are separated from other arguments
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
Rightward assignment statement
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
Reversed (again) order of backtrace
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
Endless method definition <code>def square(x) = x * x</code>
</li>
</ul>
</div>
</div>
</br>
<div class="card">
<h5 class="card-header">Ruby 2.7.x</h5>
<div class="card-body">
<p class-"card-text">2.7.0 (Dec 2019) - 2.7.8 (March 2023).</p>
<p>Status: All maintenance endded on March 31 2023</p>
<p class-"card-text">Implementations:
<span class="badge badge-info">
<a href="https://www.ruby-lang.org/en/news/2022/11/24/ruby-2-7-7-released/" target="_blank">MRI 2.7.7</a>
</span>
</p>
<ul class="list-unstyled">
<li>
<span class="badge badge-success">
Added
</span>
Pattern Matching
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
REPL improvements
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
Separation of positional and keyword arguments
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
Argument forwarding
</li>
<li>
<span class="badge badge-light">
Internals
</span>
Compaction GC
</li>
</ul>
</div>
</div>
</br>
<div class="card">
<h5 class="card-header">Ruby 2.6.x</h5>
<div class="card-body">
<p class-"card-text">2.6.0 (Dec 2018) - 2.6.10 (Apr 2022).</p>
<p>Status: All maintenance ended on April 12, 2022</p>
<p class-"card-text">Implementations:
<span class="badge badge-info">
<a href="https://www.ruby-lang.org/en/news/2022/04/12/ruby-2-6-10-released/" target="_blank">MRI 2.6.10</a>
</span>
</p>
<ul class="list-unstyled">
<li>
<span class="badge badge-success">
Added
</span>
endless ranges <code>(1..)</code>
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>Enumerable#chain</code>
</li>
<li>
<span class="badge badge-success">
Added
</span>
function composition operators <code><<, >></code> to <code>Proc</code>
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
<code>#then</code> alias for <code>#yield_self</code>
</li>
<li>
<span class="badge badge-light">
Internals
</span>
JIT compiler <code>--jit</code>
</li>
<li>
<span class="badge badge-light">
Internals
</span>
Bundler is installed as a default gem
</li>
</ul>
</div>
</div>
</br>
<div class="card">
<h5 class="card-header">Ruby 2.5.x</h5>
<div class="card-body">
<p class-"card-text">2.5.0 (Dec 2017) - 2.5.9 (Apr 2021).</p>
<p>Status: All maintenance ended on April 5, 2021</p>
<p class-"card-text">Implementations:
<span class="badge badge-info">
<a href="https://www.ruby-lang.org/en/news/2021/04/05/ruby-2-5-9-released/" target="_blank">MRI 2.5.9</a>
</span>
<span class="badge badge-info">
<a href="https://www.jruby.org/2018/05/24/jruby-9-2-0-0" target="_blank">JRuby 9.2.0.0</a>
</span>
</p>
<ul class="list-unstyled">
<li>
<span class="badge badge-success">
Added
</span>
<code>yield_self</code>
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>rescue</code> in blocks
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>Hash#slice</code> and <code>Hash#transform_keys</code>
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>ERB#result_with_hash</code>
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
New <code>Array</code> aliases - <code>#prepend (#unshift)</code> and <code>#append (#push)</code>
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
Pattern argument on <code>Enumerable</code> methods
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
Keyword arguments on <code>Struct.new</code>
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
Removed Top-level constant lookup
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
Reverse order of backtrace (oldest call first)
</li>
</ul>
</div>
</div>
</br>
<div class="card">
<h5 class="card-header">Ruby 2.4.x</h5>
<div class="card-body">
<p class-"card-text">2.4.0 (Dec 2016) - 2.4.10 (Mar 2020).</p>
<p>Status: All maintenance ended on March 31, 2020</p>
<p class-"card-text">Implementations:
<span class="badge badge-info">
<a href="https://www.ruby-lang.org/en/news/2020/03/31/ruby-2-4-10-released/" target="_blank">MRI 2.4.10</a>
</span>
</p>
<ul class="list-unstyled">
<li>
<span class="badge badge-success">
Added
</span>
<code>Enumerable#sum</code>
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>Integer#digits</code>
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>Regexp#match?</code>, <code>Regexp#named_captures</code>
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
New constructor <code>Logger.new(STDOUT, level:, progname:)</code>
</li>
<li>
<span class="badge badge-primary">
Changed
</span>
Float: <code>#round</code>, <code>#ceil</code>, <code>#floor</code>, and <code>#truncate</code> now accept a precision
</li>
<li>
<span class="badge badge-danger">
Removed
</span>
Removed <code>Fixnum</code> and <code>Bignum</code> classes (unified to <code>Integer</code>)
</li>
</ul>
</div>
</div>
</br>
<div class="card">
<h5 class="card-header">Ruby 2.3.x</h5>
<div class="card-body">
<p class-"card-text">2.3.0 (Dec 2015) - 2.3.8 (Oct 2018).</p>
<p>Status: All maintenance ended on March 31, 2019</p>
<p class-"card-text">Implementations:
<span class="badge badge-info">
<a href="https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released" target="_blank">MRI 2.3.8</a>
</span>
<span class="badge badge-info">
<a href="https://www.jruby.org/2018/04/23/jruby-9-1-17-0" target="_blank">JRuby 9.1.17.0</a>
</span>
</p>
<ul class="list-unstyled">
<li>
<span class="badge badge-success">
Added
</span>
Safe navigation operator <code>&.</code>
</li>
<li>
<span class="badge badge-success">
Added
</span>
Frozen string literals
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>Array#dig</code>
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>Hash#fetch_values</code>, <code>Hash#to_proc</code>, <code>Hash#dig</code>
</li>
<li>
<span class="badge badge-success">
Added
</span>
'Did you mean?'
</li>
</ul>
</div>
</div>
</br>
<div class="card">
<h5 class="card-header">Ruby 2.2.x</h5>
<div class="card-body">
<p class-"card-text">2.2.0 (Dec 2014) - 2.2.10 (March 2018).</p>
<p>Status: All maintenance ended on March 31, 2018</p>
<ul class="list-unstyled">
<li>
<span class="badge badge-danger">
Removed
</span>
<code>callcc</code> is obsolete - use Fiber instead
</li>
<li>
<span class="badge badge-danger">
Removed
</span>
<code>DL</code> has been removed from stdlib - use Fiddle instead
</li>
<li>
<span class="badge badge-light">
Internals
</span>
Incremental GC - fixes performance for 'old' objects
</li>
<li>
<span class="badge badge-light">
Internals
</span>
The introduction of GC for symbols (mortal/immortal)
</li>
</ul>
</div>
</div>
</br>
<div class="card">
<h5 class="card-header">Ruby 2.1.x</h5>
<div class="card-body">
<p class-"card-text">2.1.0 (Dec 2013) - 2.1.10 (March 2016).</p>
<p>Status: All maintenance ended on March 31, 2017</p>
<ul class="list-unstyled">
<li>
<span class="badge badge-success">
Added
</span>
Refinements
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>Exception#cause</code> - for libraries exceptions
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>Rational</code> and <code>Complex</code> literals
</li>
<li>
<span class="badge badge-success">
Added
</span>
Generational GC - young / old objects
</li>
</ul>
</div>
</div>
</br>
<div class="card">
<h5 class="card-header">Ruby 2.0.x</h5>
<div class="card-body">
<p class-"card-text">2.0.0-p0 (Feb 2013) - 2.0.0-p648 (Dec 2015).</p>
<p>Status: All maintenance ended on February 24, 2016</p>
<ul class="list-unstyled">
<li>
<span class="badge badge-success">
Added
</span>
Keyword arguments
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>Module#prepend</code>
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>Enumerator#lazy</code>
</li>
<li>
<span class="badge badge-success">
Added
</span>
<code>%i</code> a literal for symbol array
</li>
</ul>
</div>
</div>
</br>
</main>
<footer class="mastfoot mt-auto">
<div class="inner">
<p>Last updated on 2023-09-19.</p>
<p>
For more details go to <a href="https://www.ruby-lang.org/en/downloads/releases/">Official Ruby Releases page</a>
</p>
<hr>
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