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# NEWS for Ruby 3.4.0
This document is a list of user-visible feature changes
since the **3.3.0** release, except for bug fixes.
Note that each entry is kept to a minimum, see links for details.
## Language changes
* `it` is added to reference a block parameter. [[Feature #18980]]
## Core classes updates
Note: We're only listing outstanding class updates.
## Stdlib updates
The following default gems are updated.
* RubyGems 3.6.0.dev
* bundler 2.6.0.dev
* csv 3.2.9
* fiddle 1.1.3
* io-console 0.7.2.dev.1
* stringio 3.1.1
* strscan 3.0.8
The following bundled gems are updated.
* net-imap 0.4.9
* rbs 3.4.1
* typeprof 0.21.9
* debug 1.9.1
See GitHub releases like [GitHub Releases of Logger](https://github.com/ruby/logger/releases) or changelog for details of the default gems or bundled gems.
## Supported platforms
## Compatibility issues
## Stdlib compatibility issues
## C API updates
## Implementation improvements
## JIT
[Feature #18980]: https://bugs.ruby-lang.org/issues/18980
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