chore(deps): update dependency @astrojs/mdx to v4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@astrojs/mdx (source)	^3.1.9 -> ^4.0.0

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Release Notes

withastro/astro (@​astrojs/mdx)

v4.3.12

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Patch Changes

• #​14813 e1dd377 Thanks @​ematipico! - Removes picocolors as dependency in favor of the fork piccolore.

v4.3.11

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Patch Changes

• Updated dependencies []:
  • @​astrojs/markdown-remark@​6.3.9

v4.3.10

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Patch Changes

• #​14715 3d55c5d Thanks @​ascorbic! - Adds support for client hydration in getContainerRenderer()

  The getContainerRenderer() function is exported by Astro framework integrations to simplify the process of rendering framework components when using the experimental Container API inside a Vite or Vitest environment. This update adds the client hydration entrypoint to the returned object, enabling client-side interactivity for components rendered using this function. Previously this required users to manually call container.addClientRenderer() with the appropriate client renderer entrypoint.

  See the container-with-vitest demo for a usage example, and the Container API documentation for more information on using framework components with the experimental Container API.

v4.3.9

Patch Changes

• #​14621 e3175d9 Thanks @​GameRoMan! - Updates vite version to fix CVE

v4.3.8

Patch Changes

• #​14591 3e887ec Thanks @​matthewp! - Adds TypeScript support for the components prop on MDX Content component when using await render(). Developers now get proper IntelliSense and type checking when passing custom components to override default MDX element rendering.

• #​14598 7b45c65 Thanks @​delucis! - Reduces terminal text styling dependency size by switching from kleur to picocolors

v4.3.7

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Patch Changes

• Updated dependencies []:
  • @​astrojs/markdown-remark@​6.3.8

v4.3.6

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Patch Changes

• Updated dependencies []:
  • @​astrojs/markdown-remark@​6.3.7

v4.3.5

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Patch Changes

• #​14326 c24a8f4 Thanks @​jsparkdev! - Updates vite version to fix CVE

v4.3.4

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Patch Changes

• Updated dependencies []:
  • @​astrojs/markdown-remark@​6.3.6

v4.3.3

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Patch Changes

• Updated dependencies []:
  • @​astrojs/markdown-remark@​6.3.5

v4.3.2

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Patch Changes

• Updated dependencies []:
  • @​astrojs/markdown-remark@​6.3.4

v4.3.1

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Patch Changes

• Updated dependencies [6bd5f75]:
  • @​astrojs/markdown-remark@​6.3.3

v4.3.0

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Minor Changes

• #​13809 3c3b492 Thanks @​ascorbic! - Increases minimum Node.js version to 18.20.8

  Node.js 18 has now reached end-of-life and should not be used. For now, Astro will continue to support Node.js 18.20.8, which is the final LTS release of Node.js 18, as well as Node.js 20 and Node.js 22 or later. We will drop support for Node.js 18 in a future release, so we recommend upgrading to Node.js 22 as soon as possible. See Astro's Node.js support policy for more details.

  ⚠️ Important note for users of Cloudflare Pages: The current build image for Cloudflare Pages uses Node.js 18.17.1 by default, which is no longer supported by Astro. If you are using Cloudflare Pages you should override the default Node.js version to Node.js 22. This does not affect users of Cloudflare Workers, which uses Node.js 22 by default.

Patch Changes

• Updated dependencies []:
  • @​astrojs/markdown-remark@​6.3.2

v4.2.6

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Patch Changes

• #​13731 c3e80c2 Thanks @​jsparkdev! - update vite to latest version for fixing CVE

v4.2.5

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Patch Changes

• #​13591 5dd2d3f Thanks @​florian-lefebvre! - Removes unused code

v4.2.4

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Patch Changes

• #​13596 3752519 Thanks @​jsparkdev! - update vite to latest version to fix CVE

• #​13547 360cb91 Thanks @​jsparkdev! - Updates vite to the latest version

v4.2.3

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Patch Changes

• #​13526 ff9d69e Thanks @​jsparkdev! - update vite to the latest version

v4.2.2

Patch Changes

• #​13505 a98ae5b Thanks @​ematipico! - Updates the dependency vite to the latest.

v4.2.1

Patch Changes

• #​13448 91c9503 Thanks @​ematipico! - Upgrade to shiki v3

• Updated dependencies [91c9503]:

  • @​astrojs/markdown-remark@​6.3.1

v4.2.0

Compare Source

Minor Changes

• #​13352 cb886dc Thanks @​delucis! - Adds support for a new experimental.headingIdCompat flag

  By default, Astro removes a trailing - from the end of IDs it generates for headings ending with
  special characters. This differs from the behavior of common Markdown processors.

  You can now disable this behavior with a new configuration flag:

  // astro.config.mjs
  import { defineConfig } from 'astro/config';
  
  export default defineConfig({
    experimental: {
      headingIdCompat: true,
    },
  });

  This can be useful when heading IDs and anchor links need to behave consistently across your site
  and other platforms such as GitHub and npm.

  If you are using the rehypeHeadingIds plugin directly, you can also pass this new option:

  // astro.config.mjs
  import { defineConfig } from 'astro/config';
  import { rehypeHeadingIds } from '@​astrojs/markdown-remark';
  import { otherPluginThatReliesOnHeadingIDs } from 'some/plugin/source';
  
  export default defineConfig({
    markdown: {
      rehypePlugins: [
        [rehypeHeadingIds, { experimentalHeadingIdCompat: true }],
        otherPluginThatReliesOnHeadingIDs,
      ],
    },
  });

Patch Changes

• Updated dependencies [cb886dc, a3327ff]:
  • @​astrojs/markdown-remark@​6.3.0

v4.1.1

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Patch Changes

• Updated dependencies []:
  • @​astrojs/markdown-remark@​6.2.1

v4.1.0

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Minor Changes

• #​13254 1e11f5e Thanks @​p0lyw0lf! - Adds the ability to process and optimize remote images in Markdown syntax in MDX files.

  Previously, Astro only allowed local images to be optimized when included using ![]() syntax. Astro's image service could only display remote images without any processing.

  Now, Astro's image service can also optimize remote images written in standard Markdown syntax. This allows you to enjoy the benefits of Astro's image processing when your images are stored externally, for example in a CMS or digital asset manager.

  No additional configuration is required to use this feature! Any existing remote images written in Markdown will now automatically be optimized. To opt-out of this processing, write your images in Markdown using the JSX <img/> tag instead. Note that images located in your public/ folder are still never processed.

Patch Changes

• Updated dependencies [1e11f5e]:
  • @​astrojs/markdown-remark@​6.2.0

v4.0.8

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Patch Changes

• Updated dependencies [db252e0]:
  • @​astrojs/markdown-remark@​6.1.0

v4.0.7

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Patch Changes

• #​13011 cf30880 Thanks @​ascorbic! - Upgrades Vite

v4.0.6

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Patch Changes

• Updated dependencies [3d89e62]:
  • @​astrojs/markdown-remark@​6.0.2

v4.0.5

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Patch Changes

• #​12959 3a267f3 Thanks @​bluwy! - Reverts 9a3b48c which caused a regression for rendering inline MDX components and MDX files from content collections

v4.0.4

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Patch Changes

• #​12921 aeb7e1a Thanks @​ascorbic! - Fixes a bug that caused Image component to be imported on MDX pages that did not include images

• #​12913 9a3b48c Thanks @​bluwy! - Makes internal check() function a no-op to allow faster component renders and prevent React 19 component warnings

v4.0.3

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Patch Changes

• #​12799 739dbfb Thanks @​ascorbic! - Upgrades Vite to pin esbuild

v4.0.2

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Patch Changes

• Updated dependencies [f13417b, 87231b1, a71e9b9]:
  • @​astrojs/markdown-remark@​6.0.1

v4.0.1

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Patch Changes

• #​12594 4f2fd0a Thanks @​Princesseuh! - Fixes compatibility with Astro 5

v4.0.0

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Major Changes

• #​12231 90ae100 Thanks @​bluwy! - Handles the breaking change in Astro where content pages (including .mdx pages located within src/pages/) no longer respond with charset=utf-8 in the Content-Type header.

  For MDX pages without layouts, @astrojs/mdx will automatically add the <meta charset="utf-8"> tag to the page by default. This reduces the boilerplate needed to write with non-ASCII characters. If your MDX pages have a layout, the layout component should include the <meta charset="utf-8"> tag.

  If you require charset=utf-8 to render your page correctly, make sure that your layout components have the <meta charset="utf-8"> tag added.

• #​12008 5608338 Thanks @​Princesseuh! - Welcome to the Astro 5 beta! This release has no changes from the latest alpha of this package, but it does bring us one step closer to the final, stable release.

  Starting from this release, no breaking changes will be introduced unless absolutely necessary.

  To learn how to upgrade, check out the Astro v5.0 upgrade guide in our beta docs site.

Minor Changes

• #​12539 827093e Thanks @​bluwy! - Drops node 21 support

• #​11741 6617491 Thanks @​bluwy! - Updates adapter server entrypoint to use @astrojs/mdx/server.js

  This is an internal change. Handling JSX in your .mdx files has been moved from Astro internals and is now the responsibility of this integration. You should not notice a change in your project, and no update to your code is required.

Patch Changes

• #​12075 a19530e Thanks @​bluwy! - Parses frontmatter ourselves

• #​11861 3ab3b4e Thanks @​bluwy! - Updates @astrojs/markdown-remark and handle its breaking changes

• #​12533 1b61fdf Thanks @​ematipico! - Fixes a case where the MDX renderer couldn't be loaded when used as a direct dependency of an Astro integration.

• Updated dependencies [3ab3b4e, 5608338, 560ef15, 83a2a64, 3ab3b4e, a19530e]:

  • @​astrojs/markdown-remark@​6.0.0

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