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ruby_versions.json
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ruby_versions.json
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{
"ruby_versions": [
{
"version": "3.3",
"version_info": "3.3.0 (Dec 2023)",
"state": "Supported",
"eol": "2027-03-31",
"minors": [
{ "version": "3.3.0", "release_date": "2023-12-25", "end_date": "" }
],
"implementations": [
{
"name": "MRI 3.3.0",
"url": "https://www.ruby-lang.org/en/news/2023/12/25/ruby-3-3-0-released/"
}
],
"changes": [
{
"type": "internals",
"tags": ["parser"],
"experimental": false,
"summary": "Introduced Prism parser as a default gem, replacing Ripper"
},
{
"type": "internals",
"tags": ["parser generator"],
"experimental": false,
"summary": "Lrama replaces Bison as parser generator"
},
{
"type": "internals",
"tags": ["performance", "JIT compiler"],
"experimental": false,
"summary": "Major YJIT performance improvements and introduction of RJIT, a pure-Ruby JIT compiler"
},
{
"type": "internals",
"tags": ["threading"],
"experimental": false,
"summary": "Introduction of M:N thread scheduler for efficient thread management"
},
{
"type": "internals",
"tags": ["garbage collection"],
"experimental": false,
"summary": "Several performance improvements in the Garbage Collector"
},
{
"type": "internals",
"tags": ["IRB"],
"experimental": false,
"summary": "Enhancements in IRB including advanced irb:rdbg integration and pager support"
}
]
},
{
"version": "3.2",
"version_info": "3.2.0 (Dec 2022) - 3.2.2 (March 2023)",
"state": "Supported",
"eol": "2026-03-31",
"minors": [
{ "version": "3.2.2", "release_date": "2023-03-30", "end_date": "" },
{ "version": "3.2.1", "release_date": "2023-02-08", "end_date": "2023-03-30" },
{ "version": "3.2.0", "release_date": "2022-12-25", "end_date": "2023-02-08" }
],
"implementations": [
{
"name": "MRI 3.2.2",
"url": "https://www.ruby-lang.org/en/news/2023/03/30/ruby-3-2-2-released/"
}
],
"changes": [
{
"type": "internals",
"tags": ["performance"],
"experimental": false,
"summary": "WASI based WebAssembly support",
"links": {
"news": "https://itnext.io/final-report-webassembly-wasi-support-in-ruby-4aface7d90c9"
}
},
{
"type": "internals",
"tags": ["performance"],
"experimental": false,
"summary": "Production-ready YJIT"
},
{
"type": "internals",
"tags": ["performance"],
"experimental": false,
"summary": "Regexp improvements against ReDoS"
},
{
"type": "internals",
"tags": [],
"experimental": false,
"summary": "IRB improvements (SyntaxSuggest, ErrorHighlight)"
},
{
"type": "internals",
"tags": ["bundler"],
"experimental": false,
"summary": "Bundler 2.4 now uses PubGrub resolver instead of Molinillo"
}
]
},
{
"version": "3.1",
"version_info": "3.1.0 (Dec 2020) - 3.1.4 (March 2023)",
"state": "Supported",
"eol": "2025-03-31",
"minors": [
{ "version": "3.1.4", "release_date": "2023-03-30", "end_date": "" },
{ "version": "3.1.3", "release_date": "2022-11-24", "end_date": "2023-03-30" },
{ "version": "3.1.2", "release_date": "2022-04-12", "end_date": "2022-11-24" },
{ "version": "3.1.1", "release_date": "2022-02-18", "end_date": "2022-04-12" },
{ "version": "3.1.0", "release_date": "2021-12-25", "end_date": "2022-02-18" }
],
"implementations": [
{
"name": "MRI 3.1.4",
"url": "https://www.ruby-lang.org/en/news/2023/03/30/ruby-3-1-4-released/"
}
],
"changes": [
{
"type": "internals",
"tags": ["performance"],
"experimental": true,
"summary": "YJIT: New experimental in-process JIT compiler",
"links": {
"news": "https://shopify.engineering/yjit-just-in-time-compiler-cruby"
},
"detailsCode": [
"--yjit # CLI option"
]
},
{
"type": "new",
"tags": ["debug"],
"summary": "debug gem: A new debugger"
},
{
"type": "new",
"tags": ["typing"],
"summary": "error_highlight: Fine-grained error location in backtrace"
},
{
"type": "new",
"tags": ["typing"],
"summary": "IRB Autocomplete and Documentation Display"
},
{
"type": "update",
"summary": "Values in Hash literals and keyword arguments can be omitted.",
"detailsCode": [
"{x:, y:} is syntax sugar for {x: x, y: y}",
"foo(x:, y:) is syntax sugar for foo(x: x, y: y)."
]
},
{
"type": "update",
"summary": "Updates in RBS / TypeProf"
}
]
},
{
"version": "3.0",
"version_info": "3.0.0 (Dec 2020) - 3.0.6 (March 2023)",
"state": "Security maintenance phase",
"eol": "2024-03-31",
"minors": [
{ "version": "3.0.6", "release_date": "2023-03-30", "end_date": "" },
{ "version": "3.0.5", "release_date": "2022-11-24", "end_date": "2023-03-30" },
{ "version": "3.0.4", "release_date": "2022-04-12", "end_date": "2022-11-24" },
{ "version": "3.0.3", "release_date": "2021-11-24", "end_date": "2022-04-12" },
{ "version": "3.0.2", "release_date": "2021-07-07", "end_date": "2021-11-24" },
{ "version": "3.0.1", "release_date": "2021-04-05", "end_date": "2021-07-07" },
{ "version": "3.0.0", "release_date": "2020-12-25", "end_date": "2021-04-05" }
],
"implementations": [
{
"name": "MRI 3.0.6",
"url": "https://www.ruby-lang.org/en/news/2023/03/30/ruby-3-0-6-released/"
}
],
"changes": [
{
"type": "internals",
"tags": ["performance"],
"summary": "MJIT improvements"
},
{
"type": "new",
"experimental": true,
"tags": ["concurrency"],
"summary": "Ractor - Actor-model like concurrent abstraction"
},
{
"type": "new",
"experimental": true,
"tags": ["concurrency"],
"summary": "Fiber Scheduler for light-weight concurrency"
},
{
"type": "new",
"tags": ["typing"],
"summary": "RBS - a language to describe the structure of Ruby classes",
"links": {
"news": "https://github.com/ruby/rbs"
},
"detailsCode": [
"class User",
" attr_reader login: String",
" attr_reader email: String",
" def initialize: (login: String, email: String) -> void",
"end"
]
},
{
"type": "new",
"experimental": true,
"tags": ["typing"],
"summary": "TypeProf - type analysis tool, generates RBS type signatures"
},
{
"type": "new",
"summary": "<code>Hash#except</code>"
},
{
"type": "update",
"summary": "Keyword arguments are separated from other arguments",
"detailsCode": [
"def foo(key: 42); end; foo({key: 42}) # won't work!",
"def foo(key: 42); end; foo(**{key: 42}) # OK"
]
},
{
"type": "update",
"summary": "Rightward assignment statement",
"detailsCode": [
"fib(10) => a",
"a #=> 55"
]
},
{
"type": "update",
"experimental": true,
"summary": "Reversed (again) order of backtrace ",
"detailsCode": [
"Error message first, caller later.",
"This reverts change from Ruby 2.5.0."
]
},
{
"type": "update",
"summary": "Endless method definition <code>def square(x) = x * x</code>"
}
]
},
{
"version": "2.7",
"version_info": "2.7.0 (Dec 2019) - 2.7.8 (March 2023)",
"state": "All maintenance endded on March 31 2023",
"eol": "2023-03-31",
"minors": [
{ "version": "2.7.8", "release_date": "2023-03-30", "end_date": "" },
{ "version": "2.7.7", "release_date": "2022-11-24", "end_date": "2023-03-30" },
{ "version": "2.7.6", "release_date": "2022-04-12", "end_date": "2022-11-24" },
{ "version": "2.7.5", "release_date": "2021-11-24", "end_date": "2022-04-12" },
{ "version": "2.7.4", "release_date": "2021-07-07", "end_date": "2021-11-24" },
{ "version": "2.7.3", "release_date": "2021-04-05", "end_date": "2021-07-07" },
{ "version": "2.7.2", "release_date": "2020-10-02", "end_date": "2021-04-05" },
{ "version": "2.7.1", "release_date": "2020-03-31", "end_date": "2020-10-02" },
{ "version": "2.7.0", "release_date": "2019-12-25", "end_date": "2020-03-31" }
],
"implementations": [
{
"name": "MRI 2.7.7",
"url": "https://www.ruby-lang.org/en/news/2022/11/24/ruby-2-7-7-released/"
}
],
"changes": [
{
"type": "new",
"experimental": true,
"summary": "Pattern Matching",
"detailsCode": [
"case [0, [1, 2, 3]] in [a, [b, *c]]",
"a # => 0",
"b # => 1",
"c # => [2, 3]"
],
"links": {
"news": "https://github.com/ruby/ruby/blob/ruby_2_7/NEWS#pattern-matching-"
}
},
{
"type": "update",
"summary": "REPL improvements"
},
{
"type": "update",
"summary": "Separation of positional and keyword arguments",
"links": {
"news": "https://github.com/ruby/ruby/blob/ruby_2_7/NEWS#the-spec-of-keyword-arguments-is-changed-towards-30-"
},
"detailsCode": [
"// To treat last hash argument as keywords, add a double splat operator",
"// (to avoid the warning and ensure correct behavior in Ruby 3)",
"def foo(key: 42); end; foo({key: 42}) # warned",
"def foo(key: 42); end; foo(**{key: 42}) # OK"
]
},
{
"type": "update",
"summary": "Argument forwarding",
"links": {
"news": "https://github.com/ruby/ruby/blob/ruby_2_7/NEWS#other-miscellaneous-changes-",
"post": "https://www.mendelowski.com/docs/ruby/new-way-for-argument-forwarding-in-27/",
"rblang": "https://bugs.ruby-lang.org/issues/16253"
},
"detailsCode": [
"// parentheses are mandatory",
"def foo(...)",
" bar(...)",
"end"
]
},
{
"type": "internals",
"summary": "Compaction GC"
}
]
},
{
"version": "2.6",
"version_info": "2.6.0 (Dec 2018) - 2.6.10 (Apr 2022)",
"state": "All maintenance ended on April 12, 2022",
"eol": "2022-04-13",
"minors": [
{ "version": "2.6.10", "release_date": "2022-04-12", "end_date": "" },
{ "version": "2.6.9", "release_date": "2021-11-24", "end_date": "2022-04-12" },
{ "version": "2.6.8", "release_date": "2021-07-07", "end_date": "2021-11-24" },
{ "version": "2.6.7", "release_date": "2020-04-05", "end_date": "2021-07-07" },
{ "version": "2.6.6", "release_date": "2020-03-31", "end_date": "2020-04-05" },
{ "version": "2.6.5", "release_date": "2019-10-01", "end_date": "2020-03-31" },
{ "version": "2.6.4", "release_date": "2019-08-28", "end_date": "2019-10-01" },
{ "version": "2.6.3", "release_date": "2019-04-17", "end_date": "2019-08-28" },
{ "version": "2.6.2", "release_date": "2019-03-13", "end_date": "2019-04-17" },
{ "version": "2.6.1", "release_date": "2019-01-30", "end_date": "2019-03-13" },
{ "version": "2.6.0", "release_date": "2018-12-25", "end_date": "2019-01-30" }
],
"implementations": [
{
"name": "MRI 2.6.10",
"url": "https://www.ruby-lang.org/en/news/2022/04/12/ruby-2-6-10-released/"
}
],
"changes": [
{
"type": "new",
"summary": "endless ranges <code>(1..)</code>",
"links" : {
"news": "https://github.com/ruby/ruby/blob/ruby_2_6/NEWS#language-changes-",
"grep-app": "https://grep.app/search?q=%281..%29&filter[lang][0]=Ruby"
}
},
{
"type": "new",
"summary": "<code>Enumerable#chain</code>"
},
{
"type": "new",
"summary": "function composition operators <code><<, >></code> to <code>Proc</code>"
},
{
"type": "update",
"summary": "<code>#then</code> alias for <code>#yield_self</code>"
},
{
"type": "internals",
"summary": "JIT compiler <code>--jit</code>"
},
{
"type": "internals",
"summary": "Bundler is installed as a default gem"
}
]
},
{
"version": "2.5",
"version_info": "2.5.0 (Dec 2017) - 2.5.9 (Apr 2021)",
"state": "All maintenance ended on April 5, 2021",
"eol": "2021-04-06",
"minors": [
{ "version": "2.5.9", "release_date": "2021-04-05", "end_date": "" },
{ "version": "2.5.8", "release_date": "2020-03-31", "end_date": "2021-04-05" },
{ "version": "2.5.7", "release_date": "2019-10-01", "end_date": "2020-03-31" },
{ "version": "2.5.6", "release_date": "2019-08-28", "end_date": "2019-10-01" },
{ "version": "2.5.5", "release_date": "2019-03-15", "end_date": "2019-08-28" },
{ "version": "2.5.4", "release_date": "2019-03-13", "end_date": "2019-03-15" },
{ "version": "2.5.3", "release_date": "2018-10-18", "end_date": "2019-03-13" },
{ "version": "2.5.2", "release_date": "2018-10-17", "end_date": "2018-10-18" },
{ "version": "2.5.1", "release_date": "2018-03-28", "end_date": "2018-10-17" },
{ "version": "2.5.0", "release_date": "2017-12-25", "end_date": "2018-03-28" }
],
"implementations": [
{
"name": "MRI 2.5.9",
"url": "https://www.ruby-lang.org/en/news/2021/04/05/ruby-2-5-9-released/"
},
{
"name": "JRuby 9.2.0.0",
"url": "https://www.jruby.org/2018/05/24/jruby-9-2-0-0"
}
],
"changes": [
{
"type": "new",
"summary": "<code>yield_self</code>",
"detailsCode": [
"// Unlike #tap, it returns the result of the block.",
"// yield_self is like #map for single object.",
"'Hello'.yield_self { |word| word.upcase }",
"=> 'HELLO'",
"['Hello'].map { |word| word.upcase }.first",
"=> 'HELLO'"
],
"links": {
"grep-app": "https://grep.app/search?q=%5C.yield_self®exp=true&filter[lang][0]=Ruby"
}
},
{
"type": "new",
"summary": "<code>rescue</code> in blocks"
},
{
"type": "new",
"summary": "<code>Hash#slice</code> and <code>Hash#transform_keys</code>"
},
{
"type": "new",
"summary": "<code>ERB#result_with_hash</code>"
},
{
"type": "update",
"summary": "New <code>Array</code> aliases - <code>#prepend (#unshift)</code> and <code>#append (#push)</code>"
},
{
"type": "update",
"summary": "Pattern argument on <code>Enumerable</code> methods"
},
{
"type": "update",
"summary": "Keyword arguments on <code>Struct.new</code>"
},
{
"type": "update",
"summary": "Removed Top-level constant lookup"
},
{
"type": "update",
"summary": "Reverse order of backtrace (oldest call first)",
"experimental": true,
"detailsCode": [
"Only when printed to terminal directly.",
"This will be reversed again in Ruby 3.0.0"
]
}
]
},
{
"version": "2.4",
"version_info": "2.4.0 (Dec 2016) - 2.4.10 (Mar 2020)",
"state": "All maintenance ended on March 31, 2020",
"eol": "2020-04-01",
"minors": [
{ "version": "2.4.10", "release_date": "2020-03-31", "end_date": "" },
{ "version": "2.4.9", "release_date": "2019-10-02", "end_date": "2020-03-31" },
{ "version": "2.4.8", "release_date": "2019-10-01", "end_date": "2019-10-02" },
{ "version": "2.4.7", "release_date": "2019-08-28", "end_date": "2019-10-01" },
{ "version": "2.4.6", "release_date": "2019-04-01", "end_date": "2019-08-28" },
{ "version": "2.4.5", "release_date": "2018-10-17", "end_date": "2019-04-01" },
{ "version": "2.4.4", "release_date": "2018-03-28", "end_date": "2018-10-17" },
{ "version": "2.4.3", "release_date": "2017-12-14", "end_date": "2018-03-28" },
{ "version": "2.4.2", "release_date": "2017-09-14", "end_date": "2017-12-14" },
{ "version": "2.4.1", "release_date": "2017-03-22", "end_date": "2017-09-14" },
{ "version": "2.4.0", "release_date": "2016-12-25", "end_date": "2017-03-22" }
],
"implementations": [
{
"name": "MRI 2.4.10",
"url": "https://www.ruby-lang.org/en/news/2020/03/31/ruby-2-4-10-released/"
}
],
"changes": [
{
"type": "new",
"summary": "<code>Enumerable#sum</code>"
},
{
"type": "new",
"summary": "<code>Integer#digits</code>"
},
{
"type": "new",
"summary": "<code>Regexp#match?</code>, <code>Regexp#named_captures</code>"
},
{
"type": "update",
"summary": "New constructor <code>Logger.new(STDOUT, level:, progname:)</code>"
},
{
"type": "update",
"summary": "Float: <code>#round</code>, <code>#ceil</code>, <code>#floor</code>, and <code>#truncate</code> now accept a precision"
},
{
"type": "removed",
"summary": "Removed <code>Fixnum</code> and <code>Bignum</code> classes (unified to <code>Integer</code>)"
}
]
},
{
"version": "2.3",
"version_info": "2.3.0 (Dec 2015) - 2.3.8 (Oct 2018)",
"state": "All maintenance ended on March 31, 2019",
"eol": "2019-03-31",
"minors": [
{ "version": "2.3.8", "release_date": "2018-10-17", "end_date": "" },
{ "version": "2.3.7", "release_date": "2018-03-28", "end_date": "2018-10-17" },
{ "version": "2.3.6", "release_date": "2017-12-14", "end_date": "2018-03-28" },
{ "version": "2.3.5", "release_date": "2017-09-14", "end_date": "2017-12-14" },
{ "version": "2.3.4", "release_date": "2017-03-30", "end_date": "2017-09-14" },
{ "version": "2.3.3", "release_date": "2016-11-21", "end_date": "2017-03-30" },
{ "version": "2.3.2", "release_date": "2016-11-15", "end_date": "2016-11-21" },
{ "version": "2.3.1", "release_date": "2016-04-26", "end_date": "2016-11-15" },
{ "version": "2.3.0", "release_date": "2015-12-25", "end_date": "2016-04-26" }
],
"implementations": [
{
"name": "MRI 2.3.8",
"url": "https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released"
},
{
"name": "JRuby 9.1.17.0",
"url": "https://www.jruby.org/2018/04/23/jruby-9-1-17-0"
}
],
"changes": [
{
"type": "new",
"summary": "Safe navigation operator <code>&.</code>",
"discussion": "https://bugs.ruby-lang.org/issues/11537"
},
{
"type": "new",
"summary": "Frozen string literals"
},
{
"type": "new",
"summary": "<code>Array#dig</code>"
},
{
"type": "new",
"summary": "<code>Hash#fetch_values</code>, <code>Hash#to_proc</code>, <code>Hash#dig</code>"
},
{
"type": "new",
"summary": "'Did you mean?'"
}
]
},
{
"version": "2.2",
"version_info": "2.2.0 (Dec 2014) - 2.2.10 (March 2018)",
"state": "All maintenance ended on March 31, 2018",
"eol": "2018-03-31",
"changes": [
{
"type": "removed",
"summary": "<code>callcc</code> is obsolete - use Fiber instead"
},
{
"type": "removed",
"summary": "<code>DL</code> has been removed from stdlib - use Fiddle instead"
},
{
"type": "internals",
"summary": "Incremental GC - fixes performance for 'old' objects"
},
{
"type": "internals",
"summary": "The introduction of GC for symbols (mortal/immortal)"
}
]
},
{
"version": "2.1",
"version_info": "2.1.0 (Dec 2013) - 2.1.10 (March 2016)",
"state": "All maintenance ended on March 31, 2017",
"eol": "2017-03-31",
"changes": [
{
"type": "new",
"summary": "Refinements"
},
{
"type": "new",
"summary": "<code>Exception#cause</code> - for libraries exceptions"
},
{
"type": "new",
"summary": "<code>Rational</code> and <code>Complex</code> literals"
},
{
"type": "new",
"summary": "Generational GC - young / old objects"
}
]
},
{
"version": "2.0",
"version_info": "2.0.0-p0 (Feb 2013) - 2.0.0-p648 (Dec 2015)",
"state": "All maintenance ended on February 24, 2016",
"eol": "2016-02-24",
"changes": [
{
"type": "new",
"summary": "Keyword arguments"
},
{
"type": "new",
"summary": "<code>Module#prepend</code>"
},
{
"type": "new",
"summary": "<code>Enumerator#lazy</code>"
},
{
"type": "new",
"summary": "<code>%i</code> a literal for symbol array"
}
]
}
]
}