ruby/NEWS

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# -*- rdoc -*-
= NEWS for Ruby 2.6.0
This document is a list of user visible feature changes made between
releases except for bug fixes.
Note that each entry is kept so brief that no reason behind or
reference information is supplied with. For a full list of changes
with all sufficient information, see the ChangeLog file or Redmine
(e.g. <tt>https://bugs.ruby-lang.org/issues/$FEATURE_OR_BUG_NUMBER</tt>)
== Changes since the 2.5.0 release
=== Language changes
* $SAFE is a process global state and we can set 0 again. [Feature #14250]
* refinements take place at block passing. [Feature #14223]
=== Core classes updates (outstanding ones only)
* Dir
* New methods:
* added Dir#each_child and Dir#children instance methods. [Feature #13969]
* Kernel
* Kernel.#system takes :exception option to raise an exception on failure. [Feature #14386]
* Proc
* Proc#call doesn't change $SAFE any more. [Feature #14250]
=== Stdlib updates (outstanding ones only)
* Matrix
* New method:
* Matrix#antisymmetric?
=== Compatibility issues (excluding feature bug fixes)
=== Stdlib compatibility issues (excluding feature bug fixes)
=== C API updates
=== Supported platform changes
=== Implementation improvements
* `--jit` option to enable JIT compiler is added. [Feature #14235] [experimental]
* VM generator script renewal; makes the generated VM more optimized. [GH-1779]
=== Miscellaneous changes