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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#packnow raises ArgumentError for unknown directives. [Bug #19150]
-
String
String#unpacknow raises ArgumentError for unknown directives. [Bug #19150]String#bytesplicenow accepts new arguments index/length or range of the source string to be copied. [Feature #19314]
-
ObjectSpace::WeakKeyMap
- New core class to build collections with weak references. The class use equality semantic to lookup keys like a regular hash, but it doesn't hold strong references on the keys. Feature #18498
Stdlib updates
The following default gems are updated.
- RubyGems 3.5.0.dev
- bigdecimal 3.1.4
- bundler 2.5.0.dev
- csv 3.2.7
- fiddle 1.1.2
- irb 1.6.3
- optparse 0.4.0.pre.1
- psych 5.1.0
- stringio 3.0.6
- strscan 3.0.7
- timeout 0.3.2
The following bundled gems are updated.
- minitest 5.18.0
- rbs 3.0.3
- typeprof 0.21.7
See GitHub releases like Logger or changelog for details of the default gems or bundled gems.