NEWS for Ruby 3.3.0

This document is a list of user-visible feature changes since the 3.2.0 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

Note: We’re only listing outstanding class updates.

Stdlib updates

The following default gems are updated.

The following bundled gems are updated.

See GitHub releases like Logger or changelog for details of the default gems or bundled gems.

Supported platforms

Compatibility issues

Stdlib compatibility issues

ext/readline is retired

C API updates

Implementation improvements