ruby/NEWS.md

NEWS for Ruby 2.8.0 (tentative; to be 3.0.0)

This document is a list of user visible feature changes since the 2.7.0 release, 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. https://bugs.ruby-lang.org/issues/$FEATURE_OR_BUG_NUMBER).

Language changes

• $SAFE is now a normal global variable with no special behavior. [Feature #16131]

• yield in singleton class definitions in methods is now a SyntaxError. [Feature #15575]

Command line options

Core classes updates (outstanding ones only)

• Dir

  • Modified method

    • Dir.glob and Dir.[] now sort the results by default, and accept sort: keyword option. [Feature #8709]

• Hash

  • Modified method

    • Hash#transform_keys now accepts a hash that maps keys to new keys. [Feature #16274]

• Symbol

  • Modified method

    • Symbol#to_proc now returns a lambda Proc. [Feature #16260]

Stdlib updates (outstanding ones only)

• Net::HTTP

  • New method

    • Add Net::HTTP#verify_hostname= and Net::HTTP#verify_hostname to skip hostname verification. [Feature #16555]

Compatibility issues (excluding feature bug fixes)

• Regexp literals are frozen [Feature #8948] [Feature #16377]

  /foo/.frozen? #=> true
  

• Bundled gems

  • net-telnet and xmlrpc have been removed from the bundled gems. If you are interested in maintaining them, please comment on your plan to https://github.com/ruby/xmlrpc or https://github.com/ruby/net-telnet.

Stdlib compatibility issues (excluding feature bug fixes)

C API updates

Implementation improvements

Miscellaneous changes