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¶ ↑

Core classes updates¶ ↑

Note: We’re only listing outstanding class updates.

• Array

  • Array#pack now raises ArgumentError for unknown directives. [Bug #19150]

• String

  • String#unpack now raises ArgumentError for unknown directives. [Bug #19150]

  • String#bytesplice now accepts new arguments index/length or range of the source string to be copied. [Feature #19314]

Stdlib updates¶ ↑

The following default gems are updated.

• RubyGems 3.5.0.dev

• abbrev 0.1.1

• bundler 2.5.0.dev

• csv 3.2.7

• fiddle 1.1.2

• optparse 0.4.0.pre.1

• psych 5.0.2

• stringio 3.0.5

• strscan 3.0.6

The following bundled gems are updated.

• minitest 5.17.0

• rbs 2.8.4

• typeprof 0.21.4

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

Supported platforms¶ ↑

Compatibility issues¶ ↑

Stdlib compatibility issues¶ ↑

C API updates¶ ↑

Implementation improvements¶ ↑

JIT¶ ↑