Merge branch 'next' into astro-dot-session

.changeset/unlucky-kids-compete.md

@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes a regression where Astro was trying to access `Request.headers`

.github/workflows/snapshot-release.yml

@@ -104,6 +104,8 @@ jobs:
         id: publish
         run: |
           GITHUB_ACTIONS=0 pnpm run build > build.output.txt 2>&1
+          # Snapshots don't work in pre mode. See https://github.com/changesets/changesets/issues/1195
+          pnpm exec changeset pre exit || true
           pnpm exec changeset publish --tag experimental--${{ steps.getSnapshotName.outputs.result }} > publish.output.txt 2>&1
 
           EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)

package.json

@@ -57,7 +57,7 @@
     "@astrojs/check": "^0.9.4",
     "@biomejs/biome": "1.9.3",
     "@changesets/changelog-github": "^0.5.0",
-    "@changesets/cli": "^2.27.9",
+    "@changesets/cli": "^2.27.10",
     "@types/node": "^18.17.8",
     "esbuild": "^0.21.5",
     "eslint": "^9.14.0",

packages/astro/src/core/middleware/noop-middleware.ts

@@ -1,7 +1,8 @@
 import type { MiddlewareHandler } from '../../types/public/common.js';
 import { NOOP_MIDDLEWARE_HEADER } from '../constants.js';
 
-export const NOOP_MIDDLEWARE_FN: MiddlewareHandler = (ctx, next) => {
-	ctx.request.headers.set(NOOP_MIDDLEWARE_HEADER, 'true');
-	return next();
+export const NOOP_MIDDLEWARE_FN: MiddlewareHandler = async (_ctx, next) => {
+	const response = await next();
+	response.headers.set(NOOP_MIDDLEWARE_HEADER, 'true');
+	return response;
 };