# NEWS for Ruby 3.1.0

This document is a list of user visible feature changes
since the **3.0.0** release, except for bug fixes.

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

## Language changes

## Command line options

## Core classes updates

Outstanding ones only.

* Enumerable

    * Enumerable#compact is added. [[Feature #17312]]

* Enumerator::Lazy

    * Enumerator::Lazy#compact is added. [[Feature #17312]]

## Stdlib updates

Outstanding ones only.

## Compatibility issues

Excluding feature bug fixes.

## Stdlib compatibility issues

## C API updates

## Implementation improvements

### JIT

## Static analysis

### RBS

### TypeProf

## Miscellaneous changes


[Feature #17312]: https://bugs.ruby-lang.org/issues/17312