Update dependency @astrojs/mdx to v6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@astrojs/mdx (source)	4.3.14 → 6.0.2

---

Release Notes

withastro/astro (@​astrojs/mdx)

v6.0.2

Patch Changes

• #​16955 9a93d68 Thanks @​Princesseuh! - Updates Sätteri processor to v0.8.0. See its changelog for details on bugs fixed and features added.

• Updated dependencies [9a93d68]:

  • @​astrojs/markdown-satteri@​0.2.2

v6.0.1

Patch Changes

• Updated dependencies [eeb064c]:
  • @​astrojs/markdown-satteri@​0.2.1

v6.0.0

Compare Source

Major Changes

• #​16848 f732f3c Thanks @​Princesseuh! - Adds a new markdown.processor configuration option, allowing you to choose an alternative Markdown processor.

  Websites with many Markdown/MDX files tend to be slow to build because the unified ecosystem (e.g., remark, rehype) is slow to process. This feature introduces the ability to replace this part of the build pipeline with another processor.

  The default processor is unified(). This means that existing configurations remain unchanged and your remark/rehype plugins continue to work.

  // astro.config.mjs
  import { defineConfig } from 'astro/config';
  import { unified } from '@​astrojs/markdown-remark';
  import remarkToc from 'remark-toc';
  
  export default defineConfig({
    markdown: {
      processor: unified({
        remarkPlugins: [remarkToc],
      }),
    },
  });

  In addition to this new configuration option, Astro provides a new alternative processor based on Rust: Sätteri. You can choose to use it now by installing @astrojs/markdown-satteri, importing the satteri() processor, and adapting your existing configuration:

  // astro.config.mjs
  import { defineConfig } from 'astro/config';
  import { satteri } from '@​astrojs/markdown-satteri';
  
  export default defineConfig({
    markdown: {
      processor: satteri({
        features: { directive: true },
      }),
    },
  });

  This processor does not support the remark and rehype plugins. This means you may need to convert them to MDAST or HAST plugins to retain your current functionality.

  The existing top-level markdown.remarkPlugins, markdown.rehypePlugins, markdown.remarkRehype, markdown.gfm, and markdown.smartypants options still work, but are now deprecated and will be removed in a future major update. The matching remarkPlugins, rehypePlugins, and remarkRehype options on the MDX integration are also deprecated for the same reason. To anticipate their removal, move them onto unified({...}) (or your preferred plugin processor) :

  // astro.config.mjs
  import { defineConfig } from 'astro/config';
  import remarkToc from 'remark-toc';
  import rehypeSlug from 'rehype-slug';
  + import { unified } from '@​astrojs/markdown-remark';
  
  export default defineConfig({
    markdown: {
  +    processor: unified({
  +      remarkPlugins: [remarkToc],
  +      rehypePlugins: [rehypeSlug],
  +      remarkRehype: true,
  +      gfm: true,
  +      smartypants: true,
  +    }),
  -    remarkPlugins: [remarkToc],
  -    rehypePlugins: [rehypeSlug],
  -    remarkRehype: true,
  -    gfm: true,
  -    smartypants: true,
    },
  });

  For more information on enabling and using this feature in your project, see our Markdown guide. To give feedback on this new Rust processor, see the Native Markdown / MDX parsing and processing RFC.

Minor Changes

• #​16848 f732f3c Thanks @​Princesseuh! - Adds support for using @astrojs/markdown-satteri to parse .mdx files.

  // astro.config.mjs
  import { defineConfig } from 'astro/config';
  import mdx from '@​astrojs/mdx';
  import { satteri } from '@​astrojs/markdown-satteri';
  
  export default defineConfig({
    markdown: {
      processor: satteri({
        features: { directive: true },
      }),
    },
    integrations: [mdx()],
  });

  Note that the recmaPlugins option is not supported when using Sätteri as your MDX processor. If you would like to use Sätteri for Markdown files, but still use Unified for MDX, you can pass a different Markdown processor to the MDX integration:

  // astro.config.mjs
  import { defineConfig } from 'astro/config';
  import mdx from '@​astrojs/mdx';
  import { satteri } from '@​astrojs/markdown-satteri';
  import { unified } from '@​astrojs/markdown-remark';
  import myPlugin from './my-recma-plugin.js';
  
  export default defineConfig({
    markdown: {
      processor: satteri({
        features: { directive: true },
      }),
    },
    integrations: [
      mdx({
        recmaPlugins: [myPlugin],
        processor: unified(),
      }),
    ],
  });

Patch Changes

• Updated dependencies [f732f3c, f732f3c, f732f3c]:
  • @​astrojs/internal-helpers@​0.10.0
  • @​astrojs/markdown-remark@​7.2.0
  • @​astrojs/markdown-satteri@​0.2.0

v5.0.6

Compare Source

Patch Changes

• #​16579 49e10e3 Thanks @​igor-koop! - Fixes an issue where the smartypants option was ignored.

v5.0.5

Compare Source

Patch Changes

• Updated dependencies [9256345]:
  • @​astrojs/markdown-remark@​7.1.2

v5.0.4

Compare Source

Patch Changes

• Updated dependencies [f3485c3]:
  • @​astrojs/markdown-remark@​7.1.1

v5.0.3

Compare Source

Patch Changes

• Updated dependencies [10a1a5a]:
  • @​astrojs/markdown-remark@​7.1.0

v5.0.2

Compare Source

Patch Changes

• #​15864 d3c7de9 Thanks @​florian-lefebvre! - Removes temporary support for Node >=20.19.1 because Stackblitz now uses Node 22 by default

• Updated dependencies []:

  • @​astrojs/markdown-remark@​7.0.1

v5.0.1

Compare Source

Patch Changes

• #​15934 6f8f0bc Thanks @​ematipico! - Updates the Astro peerDependencies#astro to be 6.0.0.

v5.0.0

Compare Source

Major Changes

• #​14494 727b0a2 Thanks @​florian-lefebvre! - Updates Markdown heading ID generation - (v6 upgrade guidance)

• #​14427 e131261 Thanks @​florian-lefebvre! - Increases minimum Node.js version to 22.12.0 - (v6 upgrade guidance)

• #​14445 ecb0b98 Thanks @​florian-lefebvre! - Astro v6.0 upgrades to Vite v7.0 as the development server and production bundler - (v6 upgrade guidance)

Patch Changes

• #​15187 bbb5811 Thanks @​matthewp! - Update to Astro 6 beta

• #​15475 36fc0e0 Thanks @​delucis! - Fixes edge cases where an export const components = {...} declaration would fail to be detected with the optimize option enabled

• #​15264 11efb05 Thanks @​florian-lefebvre! - Lower the Node version requirement to allow running on Stackblitz until it supports v22

• Updated dependencies [bbb5811, cb99214, 80f0225, 727b0a2, 1fa4177, 7c55f80, 6f19ecc, f94d3c5]:

  • @​astrojs/markdown-remark@​7.0.0

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File name: package-lock.json

npm warn Unknown env config "store". This will stop working in the next major version of npm. See `npm help npmrc` for supported config options.
npm error code ERESOLVE
npm error ERESOLVE unable to resolve dependency tree
npm error
npm error While resolving: wh-blog@1.0.0
npm error Found: astro@5.18.1
npm error node_modules/astro
npm error   astro@"5.18.1" from the root project
npm error
npm error Could not resolve dependency:
npm error peer astro@"^6.4.0" from @astrojs/mdx@6.0.2
npm error node_modules/@astrojs/mdx
npm error   @astrojs/mdx@"6.0.2" from the root project
npm error
npm error Fix the upstream dependency conflict, or retry this command with --force or --legacy-peer-deps to accept an incorrect (and potentially broken) dependency resolution.
npm error
npm error
npm error For a full report see:
npm error /runner/cache/others/npm/_logs/2026-06-03T17_47_45_523Z-eresolve-report.txt
npm error A complete log of this run can be found in: /runner/cache/others/npm/_logs/2026-06-03T17_47_45_523Z-debug-0.log

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