## 1.31.0 (2024-02-29)

### New features

- [#277](https://github.com/rubocop/rubocop-ast/pull/277): Support Prism as a Ruby parser (experimental). ([@koic][])
- [#276](https://github.com/rubocop/rubocop-ast/pull/276): Support `Parser::Ruby34` for Ruby 3.4 parser (experimental). ([@koic][])

### Changes

- [#279](https://github.com/rubocop/rubocop-ast/pull/279): **(Compatibility)** Drop Ruby 2.6 runtime support. ([@koic][])
- [#272](https://github.com/rubocop/rubocop-ast/pull/272): Make `Node#left_curly_brace?` aware of lambda brace. ([@koic][])

[@koic]: https://github.com/koic
