NEWS for Ruby 2.4.0

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. https://bugs.ruby-lang.org/issues/$FEATURE_OR_BUG_NUMBER)

Changes since the 2.3.0 release

Language changes

Core classes updates (outstanding ones only)

Stdlib updates (outstanding ones only)

Compatibility issues (excluding feature bug fixes)

Stdlib compatibility issues (excluding feature bug fixes)

C API updates

Supported platform changes

Implementation improvements

Miscellaneous changes