astro/.changeset/red-news-tap.md

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'@astrojs/markdown-support': minor
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Upgrade `@astrojs/markdown-support` dependencies. The `remark-rehype@9` upgrade enables accessible footnotes with `remark-footnotes`.
Upgrade unified deps and improve unified plugins types (#1200) * Upgrade @astrojs/markdown-support deps and update types * Add changeset * Update changeset * Switch astro-markdown-plugins example to use rehype-autolink-headings Usage of remark-autolink-headings is discouraged in favor of the rehype counterpart: https://github.com/remarkjs/remark-autolink-headings\#remark-autolink-headings * Add stricter types for unified plugins This includes a few suggestions from a code review: - use vfile.toString instead of vfile.value.toString - refactor plugins to follow unified best practices instead of returning functions that return a plugin - use any instead of any[] for plugin options types * Narrow down types to more specific hast or mdast typings 2021-08-25 12:17:45 +00:00			`---`
			`'@astrojs/markdown-support': minor`
			`---`

			Upgrade `@astrojs/markdown-support` dependencies. The `remark-rehype@9` upgrade enables accessible footnotes with `remark-footnotes`.