зеркало из https://github.com/github/ruby.git
92 строки
2.5 KiB
Markdown
92 строки
2.5 KiB
Markdown
# NEWS for Ruby 3.3.0
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This document is a list of user-visible feature changes
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since the **3.2.0** release, except for bug fixes.
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Note that each entry is kept to a minimum, see links for details.
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## Language changes
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## Command line options
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* A new `performance` warning category was introduced.
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They are not displayed by default even in verbose mode.
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Turn them on with `-W:performance` or `Warning[:performance] = true`. [[Feature #19538]]
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## Core classes updates
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Note: We're only listing outstanding class updates.
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* Array
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* `Array#pack` now raises ArgumentError for unknown directives. [[Bug #19150]]
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* Dir
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* `Dir.for_fd` added for returning a Dir object for the directory specified
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by the provided directory file descriptor. [[Feature #19347]]
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* `Dir.fchdir` added for changing the directory to the directory specified
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by the provided directory file descriptor. [[Feature #19347]]
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* `Dir#chdir` added for changing the directory to the directory specified
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by the provided `Dir` object. [[Feature #19347]]
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* String
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* `String#unpack` now raises ArgumentError for unknown directives. [[Bug #19150]]
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* `String#bytesplice` now accepts new arguments index/length or range of the source string to be copied. [[Feature #19314]]
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* ObjectSpace::WeakKeyMap
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* New core class to build collections with weak references.
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The class use equality semantic to lookup keys like a regular hash,
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but it doesn't hold strong references on the keys. [[Feature #18498]]
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## Stdlib updates
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The following default gems are updated.
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* RubyGems 3.5.0.dev
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* bigdecimal 3.1.4
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* bundler 2.5.0.dev
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* csv 3.2.7
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* fiddle 1.1.2
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* fileutils 1.7.1
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* irb 1.6.4
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* optparse 0.4.0.pre.1
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* psych 5.1.0
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* reline 0.3.3
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* stringio 3.0.7
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* strscan 3.0.7
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* syntax_suggest 1.0.4
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* time 0.2.2
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* timeout 0.3.2
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* uri 0.12.1
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The following bundled gems are updated.
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* minitest 5.18.0
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* rbs 3.0.4
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* typeprof 0.21.7
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* debug 1.7.2
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See GitHub releases like [Logger](https://github.com/ruby/logger/releases) or
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changelog for details of the default gems or bundled gems.
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## Supported platforms
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## Compatibility issues
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## Stdlib compatibility issues
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## C API updates
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## Implementation improvements
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## JIT
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[Bug #19150]: https://bugs.ruby-lang.org/issues/19150
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[Feature #18498]: https://bugs.ruby-lang.org/issues/18498
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[Feature #19314]: https://bugs.ruby-lang.org/issues/19314
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[Feature #19347]: https://bugs.ruby-lang.org/issues/19347
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[Feature #19538]: https://bugs.ruby-lang.org/issues/19538
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