diff --git a/.changeset/breezy-cats-grab.md b/.changeset/breezy-cats-grab.md
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+---
+'astro': patch
+'@astrojs/markdoc': patch
+'@astrojs/mdx': patch
+---
+
+Introduce the (experimental) `@astrojs/markdoc` integration. This unlocks Markdoc inside your Content Collections, and brings support for Astro and UI components in your content. This also improves internals to make Content Collections extensible to more file types in the future.