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76 lines
1.6 KiB
Markdown
76 lines
1.6 KiB
Markdown
# NEWS for Ruby 3.1.0
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This document is a list of user visible feature changes
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since the **3.0.0** 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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## Core classes updates
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Outstanding ones only.
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* Enumerable
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* Enumerable#compact is added. [[Feature #17312]]
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* Enumerator::Lazy
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* Enumerator::Lazy#compact is added. [[Feature #17312]]
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* Module
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* Module#prepend now modifies the ancestor chain if the receiver
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already includes the argument. Module#prepend still does not
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modify the ancestor chain if the receiver has already prepended
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the argument. [[Bug #17423]]
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* Struct
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* Passing only keyword arguments to Struct#initialize is warned.
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You need to use a Hash literal to set a Hash to a first member.
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[[Feature #16806]]
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* Queue
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* Queue#initialize now accepts an Enumerable of initial values.
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[[Feature #17327]]
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## Stdlib updates
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Outstanding ones only.
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## Compatibility issues
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Excluding feature bug fixes.
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## Stdlib compatibility issues
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* `ERB#initialize` warns `safe_level` and later arguments even without -w.
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[[Feature #14256]]
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## C API updates
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## Implementation improvements
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### JIT
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* `RubyVM::MJIT` is renamed to `RubyVM::JIT`.
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## Static analysis
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### RBS
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### TypeProf
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## Miscellaneous changes
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[Feature #14256]: https://bugs.ruby-lang.org/issues/14256
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[Feature #16806]: https://bugs.ruby-lang.org/issues/16806
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[Feature #17312]: https://bugs.ruby-lang.org/issues/17312
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[Feature #17327]: https://bugs.ruby-lang.org/issues/17327
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[Bug #17423]: https://bugs.ruby-lang.org/issues/17423
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