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ruby--ruby/NEWS.md
Takashi Kokubun 8d099aa040
Warn Struct#initialize with only keyword args (#4070) 
* Warn Struct#initialize with only keyword args

A part of [Feature #16806]

* Do not warn if `keyword_init: false`

is explicitly specified

* Add a NEWS entry

* s/in/from/

* Make sure all fields are initialized
2021-01-17 01:35:54 -08:00

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NEWS for Ruby 3.1.0

This document is a list of user visible feature changes since the 3.0.0 release, except for bug fixes.

Note that each entry is kept to a minimum, see links for details.

Language changes

Command line options

Core classes updates

Outstanding ones only.

  • Enumerable

  • Enumerator::Lazy

  • Module

    • Module#prepend now modifies the ancestor chain if the receiver already includes the argument. Module#prepend still does not modify the ancestor chain if the receiver has already prepended the argument. [Bug #17423]

  • Struct

    • Passing only keyword arguments to Struct#initialize is warned. You need to use a Hash literal to set a Hash to a first member. [Feature #16806]

Stdlib updates

Outstanding ones only.

Compatibility issues

Excluding feature bug fixes.

Stdlib compatibility issues

C API updates

Implementation improvements

JIT

  • RubyVM::MJIT is renamed to RubyVM::JIT.

Static analysis

RBS

TypeProf

Miscellaneous changes