# NEWS for Ruby 3.2.0

This document is a list of user-visible feature changes
since the **3.1.0** release, except for bug fixes.

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

## Language changes

* Anonymous rest and keyword rest arguments can now be passed as
  arguments, instead of just used in method parameters.
  [[Feature #18351]]

    ```ruby
    def foo(*)
      bar(*)
    end
    def baz(**)
      quux(**)
    end
    ```

## Command line options

## Core classes updates

Note: We're only listing outstanding class updates.

* Module
    * Module.used_refinements has been added. [[Feature #14332]]
    * Module#refinements has been added. [[Feature #12737]]

* Refinement
    * Refinement#refined_class has been added. [[Feature #12737]]

## Stdlib updates

*   The following default gem are updated.
    * RubyGems 3.4.0.dev
    * bundler 2.4.0.dev
    * etc 1.4.0
    * io-console 0.5.11
    * reline 0.3.1
*   The following bundled gems are updated.
    * net-imap 0.2.3
    * typeprof 0.21.2
*   The following default gems are now bundled gems.

## Compatibility issues

Note: Excluding feature bug fixes.

### Removed constants

The following deprecated constant is removed.

* `Random::DEFAULT` [[Feature #17351]]
* `Struct::Group`
* `Struct::Passwd`

### Removed methods

The following deprecated methods are removed.

* `Dir.exists?` [[Feature #17391]]
* `File.exists?` [[Feature #17391]]
* `Kernel#=~` [[Feature #15231]]
* `Kernel#taint`, `Kernel#untaint`, `Kernel#tainted?`
  [[Feature #16131]]
* `Kernel#trust`, `Kernel#untrust`, `Kernel#untrusted?`
  [[Feature #16131]]

## Stdlib compatibility issues

## C API updates

### Removed C APIs

The following deprecated APIs are removed.

* `rb_cData` variable.
* "taintedness" and "trustedness" functions. [[Feature #16131]]

## Implementation improvements

## JIT

### MJIT

### YJIT: New experimental in-process JIT compiler

## Static analysis

### RBS

### TypeProf

## Debugger

## error_highlight

## IRB Autocomplete and Document Display

## Miscellaneous changes

[Feature #15231]: https://bugs.ruby-lang.org/issues/15231
[Feature #16131]: https://bugs.ruby-lang.org/issues/16131
[Feature #17351]: https://bugs.ruby-lang.org/issues/17351
[Feature #17391]: https://bugs.ruby-lang.org/issues/17391
[Feature #18351]: https://bugs.ruby-lang.org/issues/18351