NEWS for Ruby 3.5.0¶ ↑

This document is a list of user-visible feature changes since the 3.4.0 release, except for bug fixes.

Note that each entry is kept to a minimum, see links for details.

Language changes¶ ↑

• *nil no longer calls nil.to_a, similar to how **nil does not call nil.to_hash. [Feature #21047]

Core classes updates¶ ↑

Note: We’re only listing outstanding class updates.

• Binding

  • Binding#local_variables does no longer include numbered parameters. Also, Binding#local_variable_get and Binding#local_variable_set reject to handle numbered parameters. [Bug #21049]

• IO

  • IO.select accepts Float::INFINITY as a timeout argument. [[Feature #20610]]

• String

  • Update Unicode to Version 15.1.0 and Emoji Version 15.1. [Feature #19908] (also applies to Regexp)

Stdlib updates¶ ↑

The following bundled gems are promoted from default gems.

• ostruct 0.6.1

• pstore 0.2.0

• benchmark 0.4.0

• logger 1.7.0

• rdoc 6.13.1

• win32ole 1.9.2

• irb 1.15.2

• reline 0.6.1

• readline 0.0.4

• fiddle 1.1.6

We only list stdlib changes that are notable feature changes.

Other changes are listed in the following sections. we also listed release history from the previous bundled version that is Ruby 3.3.0 if it has GitHub releases.

The following default gem is added.

• win32-registry 0.1.0

The following default gems are updated.

• RubyGems 3.7.0.dev

• bundler 2.7.0.dev

• cgi 0.4.2

• json 2.10.2

• optparse 0.7.0.dev.2

• prism 1.4.0

• psych 5.2.3

• stringio 3.1.6

• strscan 3.1.3

• uri 1.0.3

The following bundled gems are added.

The following bundled gems are updated.

• minitest 5.25.5

• test-unit 3.6.8

• rexml 3.4.1

• net-imap 0.5.6

• net-smtp 0.5.1

• rbs 3.9.2

• bigdecimal 3.1.9

• syslog 0.3.0

• csv 3.3.4

• repl_type_completor 0.1.11

Supported platforms¶ ↑

Compatibility issues¶ ↑

Stdlib compatibility issues¶ ↑

C API updates¶ ↑

Implementation improvements¶ ↑

JIT¶ ↑