What's Changed

• Add markdown support for .mdx files by @ctmayn in https://github.com/github/markup/pull/1730
• Update nokogiri, nokogiri-diff, rdoc, drop support for Ruby < 3 by @kenyonj in https://github.com/github/markup/pull/1814

New Contributors

• @ctmayn made their first contribution in https://github.com/github/markup/pull/1730
• @kenyonj made their first contribution in https://github.com/github/markup/pull/1814

Full Changelog: https://github.com/github/markup/compare/v4.0.2...v5.0.0