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Changelog

All notable changes to this project will be documented in this file.

This project adheres to Semantic Versioning.

3.25.0 - 2024-03-05

Added

  • MatchData#named_captures (with symbolize_keys option, Ruby 3.3)
  • Range.reverse_each (Ruby 3.3)
  • Range#overlap? (Ruby 3.3)

3.24.0 - 2023-03-07

Added

  • Class#attached_object (Ruby 3.2)
  • Data (Ruby 3.2)
  • Enumerator.product and Enumerator::Product (Ruby 3.2)
  • Hash#shift (with correct behavior when empty) (Ruby 3.2)
  • Integer#ceildiv (Ruby 3.2)
  • MatchData#byteoffset (Ruby 3.2)
  • Symbol#start_with? (Ruby 2.7)

Fixed

  • Class#descendants (removed, as it was not actually added in Ruby 3.1, sorry)

3.23.0 - 2021-12-28

Added

  • Integer.try_convert (Ruby 3.1)
  • Symbol.end_with? (Ruby 2.7) [#171]

3.22.1 - 2021-12-27

Added

Ruby 3.1 backports:

Array

  • intersect?

Class

  • descendants
  • subclasses

Enumerable

  • compact
  • tally (with hash argument)

File

  • dirname (with depth argument)

MatchData

  • match
  • match_length

Struct

  • keyword_init?

3.21.0 - 2021-03-31

Added

  • Added String#unpack1 (Ruby 2.4) [#166]

3.20.1 - 2021-01-03

Fixed

  • Added Ractor.[] and []= [#161]
  • Ractor.current fixed from threads [#161]

3.20.0 - 2020-12-30

Added

Ractor backport (all methods)

3.19.0 - 2020-12-28

Added

  • Ruby 3.0 backports

    • Env

      • except

    • Hash

      • except
      • transform_keys, transform_keys! (with hash argument)

    • Symbol

      • name

  • Ruby 2.3 backports

    • Queue
      • close, closed? (affects push, pop and aliases)

3.18.2 - 2020-08-26

Fixed

Require per ruby version now properly requiring 2.3.0 backports for String [#152]

3.18.1 - 2020-06-22

Fixed

Fixed Changelog URI in gem manifest

3.18.0 - 2020-06-22

Changed

Require per ruby version / all requires now check RUBY_VERSION to be more efficient [#149]

3.17.2 - 2020-04-09

Fixed

Fix Range#cover (Ruby 2.6.0) [#148]

3.17.1 - 2020-04-09

Fixed

Fix Range#size (Ruby 2.0) on Ruby 1.8.7 [#144]

3.17.0 - 2020-03-06

Added

  • Ruby 2.6 backports

    • Range
      • cover? (with Range argument)

Changed

Requiring features for a particular version of Ruby or latest is un-deprecated but instead simply warned in verbose mode.

3.16.1 - 2020-02-16

Deprecated

Officially deprecate requiring features for a particular version of Ruby, latest, std_lib or rails backports. Partly un-deprecated in 3.17.0!

Fixed

matrix library when loaded in 2.7.0 [#141]

3.16.0 - 2020-02-06

Added

  • Ruby 2.7 backports

    • Array

      • intersection

    • Comparable

      • clamp (with range)

    • Complex

      • <=>

    • Enumerable

      • filter_map
      • tally

    • Enumerator

      • produce (class method)

    • Time

      • floor, ceil

3.15.0 - 2019-05-15

Added

  • Proc / Method
    • <<, >>

3.14.0 - 2019-04-29

Added

  • Hash
    • to_h (with block)

3.13.0 - 2019-04-5

Added

  • Hash
    • merge, merge!/update (with multiple arguments)

3.12.0 - 2019-02-20

Added

  • Ruby 2.6.0 backports

    • Array

      • difference, union
      • to_h (with block)

    • Enumerable

      • chain
      • to_h (with block)

    • Enumerator::Chain (use Enumerable#chain)

    • Kernel

      • then

  • Additional backports for 2.5.0:

    • String
      • undump

3.11.0 - 2017-12-25

Added

  • Ruby version 2.5.0 backports

    • Array

      • append, prepend

    • Dir

      • children, each_child

    • Enumerable

      • any?, all?, none?, one? (with pattern argument)

    • Hash

      • slice
      • transform_keys

    • Integer

      • sqrt
      • allbits?, anybits? and nobits?

    • Kernel

      • yield_self

    • Module

      • attr, attr_accessor, attr_reader, attr_writer (now public)
      • define_method, alias_method, undef_method, remove_method (now public)

    • String

      • delete_prefix, delete_prefix!
      • delete_suffix, delete_suffix!

    • Struct

      • new (with keyword_init: true)

  • require 'backports/latest' is now the way to require everything, but is discouraged

3.10.0 - 2017-10-17

Added

  • Additional features of 2.4.0

    • Enumerable

      • uniq
      • sum

    • Hash

      • compact
      • transform_values

3.9.0 - 2017-10-07

Added

  • From 2.4.0: dup for true, false, nil, Numeric
  • From 2.2.0: Method#super_method

3.8.0 - 2017-04-26

Added

  • From 2.4.0: String#match?, Regexp#match?

  • From 2.3.0:

    • unary String#+, -
    • Numeric: positive?, negative?
    • Hash: to_proc, fetch_values, >, <, >=, <=
    • Enumerable: chunk_while, grep_v
    • {Array|Hash|Struct}#dig
    • Array#bsearch_index

  • From 2.2.0:

    • Method#curry
    • String#unicode_normalize{|?|!}
    • Kernel#itself
    • Float: next_float, prev_float

3.7.0 - 2017-03-28

Initiate work on backports of 2.2, 2.3, 2.4

Added

  • From 2.4.0:

    • Comparable#clamp

  • From 2.2.0:

    • Enumerable: slice_when, slice_after

3.6.0 - 2014-02-14

Added

  • Additional features of 2.1.0
    • Bignum#bit_length
    • Fixnum#bit_length
    • Module#include (now public)

3.5.0 - 2014-02-3

Added

  • Additional features of 2.0.0
    • Range#size

3.4.0 - 2013-12-29

Added

  • Additional features of 2.1.0
    • Array#to_h, Enumerable#to_h

3.3.0 - 2013-04-03

Fixed

  • Moved Proc#yield & Hash#key from 1.8.7 to 1.9.1

3.2.0 - 2013-04-02

Fixed

  • Moved Dir.mktmpdir to the stdlib 'tmpdir' for Ruby 1.8.7

Removed

  • Removed returning as it is no longer part of Rails.

3.1.0 - 2013-03-05

Added

  • Backports can now be loaded separately!

Fixed

  • Small tweaks and fixes for many methods to pass more RubySpecs

3.0.0 - 2013-02-24

Added

  • Additional features of 2.0.0

    • Struct#to_h, NilClass#to_h, Hash#to_h
    • Hash#default_proc = nil
    • OpenStruct lib

  • 1.8.7's Enumerator#with_index (it wasn't in the 1.8.7 NEWS file...)

2.8.0 - 2013-02-3

Added

  • Added some features of 2.0.0 (must be required explicitly until official release):
    • Array#bsearch
    • Range#bsearch

2.7.0 - 2013-01-14

Added

  • Features of 2.0.0 (must be required explicitly until official release):
    • Enumerable#lazy
    • Enumerator::Lazy

2.6.0 - 2012-05-29

Removed

  • Enumerable#join

2.5.0 - 2012-02-25

Added

  • Some features of 1.9.3:
    • IO::NULL
    • IO#advise
    • String#byteslice
    • String#prepend

2.4.0 - 2012-02-24

Added

  • Add backporting for libraries

  • Bring libraries up to date:

    • Matrix
    • Prime
    • Set

  • Some features of 1.9.3:

    • IO.write, IO.binwrite

  • Forcing backports (must be required explicitly):

    • Hash#select (returns a Hash instead of an Array)
    • Enumerable / Array#map (returns an enumerator when called without a block)
    • String#length, size (for UTF-8 support)

2.3.0 - 2011-05-13

Added

  • Enumerator::Yielder#<<

2.2.0 - 2011-05-13

Fixed

  • Ruby 1.8.8 was officially cancelled; code was moved to Ruby 1.9.1 and README updated.

  • "".ord now raises an error.

2.1.0 - 2011-04-16

Added

  • Proc#curry, #lambda (thanks Konstantine Haase)

2.0.0 - 2010-12-5

Fixed

Change of major version because of two small changes that are not quite compatible and because the minor version was getting quite high!

  • Remove attempt at faking the new method missing. Unless you used respond_to_missing and method(:some_method_handled_with_method_missing), you won't see a difference, except better performance (see issue #32) and this fixes some errors (see issue #34)

  • Change behavior of array.flatten(0) to match Ruby 1.9 (i.e. return a dup of array, instead of array itself)

1.18.0 - 2010-06-19

Added

  • Some features of 1.9.1:

    • Math#log2, Math#log with base

Fixed

  • Enumerator#each in 1.8.6.

1.17.0 - 2010-05-17

Added

  • Some features of 1.9.2:

    • Array#repeated_combination, #repeated_permutation

1.16.2 - 2010-04-11

Added

  • Some features of 1.9.2:

    • Array#uniq, #uniq! (with block)
    • Array#product (with block)
    • Dir.home
    • Hash#keep_if, select!
    • Random (new class)

1.15.0 - 2010-02-23

Added

  • A features of 1.9.2:

    • Object#singleton_class

1.14.0 - 2010-02-3

Added

  • Some features of 1.9.2:

    • Array#rotate, rotate!
    • Array#keep_if, select!
    • Array#sort_by!
    • Enumerable#join
    • Enumerable#slice_before
    • Float::INFINITY, NAN
    • MatchData#==

1.13.0 - 2010-01-20

Added

  • Missing for 1.8.7 were
    • Array#permutation
    • Hash#hash (was only inherited)
    • Hash#eql? (was only inherited)

1.12.0 - 2009-12-4

Added

  • Finer grain includes (see README) require "backports/1.9" # requires all ruby backports require "backports/1.9.1" # requires all ruby backports up to 1.9.1 (but not 1.9.2)

  • Backported all builtin methods of 1.8.8 (most of which where moved from the 1.9 backports)

  • Refreshed README

1.11.0 - 2009-11-04

Added

  • Enumerable#flat_map / collect_concat (Ruby 1.9)

  • Object#public_send (Ruby 1.9)

  • Object#public_method (Ruby 1.9)

1.10.0 - 2009-09-29

Added

  • Enumerable#chunk (Ruby 1.9)

  • Kernel#respond_to_missing? (Ruby 1.9)

  • Completed Process.exec (Ruby 1.8.7)

1.9.0 - 2009-09-04

Added

  • In Ruby 1.9, most class methods of File accept filenames as String, or convertible via #to_str or #to_path.

  • File#to_path is also an alias to File#path. These have been backported.

  • File.binread (actually IO.binread)

  • BasicObject available via "require 'backports/basic_object"

1.8.4 - 2009-09-03

Added

Dir.mktmpdir for older version of 1.8.6

1.8.1 - 2009-09-01

Added

The alias String#lines (Ruby 1.8.7)

1.8.0 - 2009-08-30

Added

Backports can be required selectively:

  • backports/1.8.7
  • backports/1.9 (which include 1.8.7)
  • rails

1.7.1 - 2009-08-20

Fixed

Enumerable#take and Enumerable#first(n) are now returning as soon as possible. Previously, #each was yielding one element too many. See redmine issue #1554.

1.7.0 - 2009-05-27

Fixed

Porting all 1.8.7 features to rubinius was quite enlightening (http://blog.marc-andre.ca/2009/05/schizo-ruby-puzzle.html ). Many improvements were made to be consistent with MRI, e.g. converting arguments using to_int if needed, etc... The changes are now reflected in 'backports'.

Added

Some IO and ARGF methods were missing and are now complete.

1.6.6 - 2009-04-30

Fixed

Important bug fix. String#gsub is left alone until I find a good way to modify it.

1.6.0 - 2009-04-29

Added

Completed backport to 1.8.7.

  • Array

    • extract_options!

  • Binding

    • eval

  • Dir

    • each, foreach

  • Enumerator

    • new
    • with_object
    • next, rewind

  • Hash

    • Optional block for delete_if, each, each_key, each_pair, each_value, reject!, select (and ENV)

  • Integer

    • moved stuff out of Fixnum
    • Optional block for downto, times, upto

  • IO

    • Optional block for each, each_line, each_byte, foreach (and ARGF)

  • Kernel

    • loop, StopIteration
    • +method+, +callee+

  • Method

    • name, owner, receiver

  • Module

    • class_exec, module_exec

  • Numeric

    • step

  • Object

    • define_singleton_method
    • instance_exec

  • ObjectSpace

    • each_object

  • Range

    • Optional block for each, step

  • Regexp

    • union

  • String

    • try_convert
    • ascii_only?
    • bytesize
    • chr
    • clear
    • codepoints, each_codepoint
    • stringify_keys, stringify_keys!
    • each, each_line, each_byte
    • gsub
    • upto

  • Struct

    • each, each_pair

  • Symbol

    • <=>, casecmp
    • capitalize, downcase, next, succ, swapcase, upcase
    • =~, [], empty?, length, match, size

  • UnboundMethod

    • name, owner

1.5.0 - 2009-04-24

Added

  • Array (completed)

    • combination
    • try_convert
    • Optional block for collect!, :map!, :each, :each_index, :reject, :reject!, :delete_if
    • pop, shift
    • product

  • Fixnum (completed)

    • div, fdiv
    • succ
    • magnitude

  • Enumerable (completed)

    • each_with_object
    • inject
    • max_by, min_by, minmax, minmax_by
    • reduce
    • to_a

1.4.0 - 2009-04-21

Added

  • String

    • rpartition

  • Proc

    • yield

1.3.0 - 2009-04-17

Added

  • Enumerable

    • none?

  • Array

    • sample, shuffle, shuffle!

  • String

    • each_char, chars
    • partition

Tests and fixes for String#start_with? and String#end_with?

1.2.0 - 2009-04-12

Added

  • Array

    • reverse_each
    • cycle

  • Enumerable

    • reverse_each
    • each_slice, each_cons
    • count
    • cycle
    • group_by

  • Hash

    • default_proc=

1.1.0 - 2009-04-11

Added

  • Array

    • flatten, flatten!
    • find_index, index

  • Hash

    • reverse_merge, reverse_merge!

1.0.0 - 2009-04-2

  • Initial release.

Notes

The format is based on Keep a Changelog.