docs: Add note about middleware and runtimes (#58873)

Co-authored-by: Justin Pfifer <[email protected]> Co-authored-by: Lee Robinson <[email protected]>
vercel · Dec 6, 2023 · 3f20b46 · 3f20b46
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commit 3f20b46
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diff --git a/docs/02-app/01-building-your-application/01-routing/11-middleware.mdx b/docs/02-app/01-building-your-application/01-routing/11-middleware.mdx
@@ -388,6 +388,10 @@ export default async function middleware(req) {
 }
 ```
 
+## Runtime
+
+Middleware currently only supports the [Edge runtime](/docs/app/building-your-application/rendering/edge-and-nodejs-runtimes). The Node.js runtime can not be used.
+
 ## Version History
 
 | Version   | Changes                                                                                       |