diff --git a/examples/basics/package.json b/examples/basics/package.json
index 0a2cc3108..a0295bc6e 100644
--- a/examples/basics/package.json
+++ b/examples/basics/package.json
@@ -9,6 +9,6 @@
     "preview": "astro preview"
   },
   "devDependencies": {
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   }
 }
diff --git a/examples/blog-multiple-authors/package.json b/examples/blog-multiple-authors/package.json
index 53c390051..426dc59d2 100644
--- a/examples/blog-multiple-authors/package.json
+++ b/examples/blog-multiple-authors/package.json
@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@astrojs/preact": "^0.2.0",
-    "astro": "^1.0.0-beta.56",
+    "astro": "^1.0.0-beta.57",
     "sass": "^1.52.2"
   },
   "dependencies": {
diff --git a/examples/blog/package.json b/examples/blog/package.json
index 1d7766d26..7994b7b20 100644
--- a/examples/blog/package.json
+++ b/examples/blog/package.json
@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@astrojs/preact": "^0.2.0",
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   },
   "dependencies": {
     "preact": "^10.7.3"
diff --git a/examples/component/demo/package.json b/examples/component/demo/package.json
index ee8009805..1fae61292 100644
--- a/examples/component/demo/package.json
+++ b/examples/component/demo/package.json
@@ -10,6 +10,6 @@
   },
   "devDependencies": {
     "@example/my-component": "workspace:*",
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   }
 }
diff --git a/examples/component/package.json b/examples/component/package.json
index b43bf9757..23460b133 100644
--- a/examples/component/package.json
+++ b/examples/component/package.json
@@ -8,6 +8,6 @@
     "serve": "astro --root demo preview"
   },
   "devDependencies": {
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   }
 }
diff --git a/examples/docs/package.json b/examples/docs/package.json
index a271c57d3..281c374ba 100644
--- a/examples/docs/package.json
+++ b/examples/docs/package.json
@@ -20,6 +20,6 @@
   "devDependencies": {
     "@astrojs/preact": "^0.2.0",
     "@astrojs/react": "^0.2.0",
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   }
 }
diff --git a/examples/env-vars/package.json b/examples/env-vars/package.json
index 6de1fc5d2..34194f025 100644
--- a/examples/env-vars/package.json
+++ b/examples/env-vars/package.json
@@ -9,6 +9,6 @@
     "preview": "astro preview"
   },
   "devDependencies": {
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   }
 }
diff --git a/examples/framework-alpine/package.json b/examples/framework-alpine/package.json
index 2f2276407..9ff43bb8d 100644
--- a/examples/framework-alpine/package.json
+++ b/examples/framework-alpine/package.json
@@ -9,7 +9,7 @@
     "preview": "astro preview"
   },
   "devDependencies": {
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   },
   "dependencies": {
     "alpinejs": "^3.10.2"
diff --git a/examples/framework-lit/package.json b/examples/framework-lit/package.json
index 1887ffa30..b9f5085ea 100644
--- a/examples/framework-lit/package.json
+++ b/examples/framework-lit/package.json
@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@astrojs/lit": "^0.3.0",
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   },
   "dependencies": {
     "@webcomponents/template-shadowroot": "^0.1.0",
diff --git a/examples/framework-multiple/package.json b/examples/framework-multiple/package.json
index d5d9011a8..9e5265dd7 100644
--- a/examples/framework-multiple/package.json
+++ b/examples/framework-multiple/package.json
@@ -15,7 +15,7 @@
     "@astrojs/solid-js": "^0.2.0",
     "@astrojs/svelte": "^0.2.0",
     "@astrojs/vue": "^0.2.0",
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   },
   "dependencies": {
     "@webcomponents/template-shadowroot": "^0.1.0",
diff --git a/examples/framework-preact/package.json b/examples/framework-preact/package.json
index 643bc3c68..e4e7f84b6 100644
--- a/examples/framework-preact/package.json
+++ b/examples/framework-preact/package.json
@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@astrojs/preact": "^0.2.0",
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   },
   "dependencies": {
     "preact": "^10.7.3"
diff --git a/examples/framework-react/package.json b/examples/framework-react/package.json
index aede2e7f5..c951c3523 100644
--- a/examples/framework-react/package.json
+++ b/examples/framework-react/package.json
@@ -12,7 +12,7 @@
     "@astrojs/react": "^0.2.0",
     "@types/react": "^18.0.10",
     "@types/react-dom": "^18.0.5",
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   },
   "dependencies": {
     "react": "^18.1.0",
diff --git a/examples/framework-solid/package.json b/examples/framework-solid/package.json
index 2a94d4395..ac9e4919b 100644
--- a/examples/framework-solid/package.json
+++ b/examples/framework-solid/package.json
@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@astrojs/solid-js": "^0.2.0",
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   },
   "dependencies": {
     "solid-js": "^1.4.3"
diff --git a/examples/framework-svelte/package.json b/examples/framework-svelte/package.json
index 8cc81ea1d..0502ee30c 100644
--- a/examples/framework-svelte/package.json
+++ b/examples/framework-svelte/package.json
@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@astrojs/svelte": "^0.2.0",
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   },
   "dependencies": {
     "svelte": "^3.48.0"
diff --git a/examples/framework-vue/package.json b/examples/framework-vue/package.json
index 654e4d7b6..e4adf3c8c 100644
--- a/examples/framework-vue/package.json
+++ b/examples/framework-vue/package.json
@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@astrojs/vue": "^0.2.0",
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   },
   "dependencies": {
     "vue": "^3.2.36"
diff --git a/examples/integrations-playground/package.json b/examples/integrations-playground/package.json
index 172830d88..4a5a8b9fa 100644
--- a/examples/integrations-playground/package.json
+++ b/examples/integrations-playground/package.json
@@ -16,7 +16,7 @@
     "@astrojs/solid-js": "0.2.0",
     "@astrojs/tailwind": "^0.2.1",
     "@astrojs/turbolinks": "^0.1.3",
-    "astro": "^1.0.0-beta.56",
+    "astro": "^1.0.0-beta.57",
     "solid-js": "^1.4.3"
   },
   "dependencies": {
diff --git a/examples/minimal/package.json b/examples/minimal/package.json
index 8a2fb24ed..6bec9c0ac 100644
--- a/examples/minimal/package.json
+++ b/examples/minimal/package.json
@@ -9,6 +9,6 @@
     "preview": "astro preview"
   },
   "devDependencies": {
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   }
 }
diff --git a/examples/non-html-pages/package.json b/examples/non-html-pages/package.json
index de71eed41..d3a51e119 100644
--- a/examples/non-html-pages/package.json
+++ b/examples/non-html-pages/package.json
@@ -9,6 +9,6 @@
     "preview": "astro preview"
   },
   "devDependencies": {
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   }
 }
diff --git a/examples/portfolio/package.json b/examples/portfolio/package.json
index f056fb372..5376afc7a 100644
--- a/examples/portfolio/package.json
+++ b/examples/portfolio/package.json
@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@astrojs/preact": "^0.2.0",
-    "astro": "^1.0.0-beta.56",
+    "astro": "^1.0.0-beta.57",
     "sass": "^1.52.2"
   },
   "dependencies": {
diff --git a/examples/ssr/package.json b/examples/ssr/package.json
index 10f42adf0..3814829db 100644
--- a/examples/ssr/package.json
+++ b/examples/ssr/package.json
@@ -11,7 +11,7 @@
   "devDependencies": {
     "@astrojs/node": "^0.1.2",
     "@astrojs/svelte": "^0.2.0",
-    "astro": "^1.0.0-beta.56",
+    "astro": "^1.0.0-beta.57",
     "concurrently": "^7.2.1",
     "lightcookie": "^1.0.25",
     "unocss": "^0.15.6",
diff --git a/examples/starter/package.json b/examples/starter/package.json
index caf5f377b..8ea6703c0 100644
--- a/examples/starter/package.json
+++ b/examples/starter/package.json
@@ -9,6 +9,6 @@
     "preview": "astro preview"
   },
   "devDependencies": {
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   }
 }
diff --git a/examples/subpath/package.json b/examples/subpath/package.json
index 62724ef2d..277662639 100644
--- a/examples/subpath/package.json
+++ b/examples/subpath/package.json
@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@astrojs/react": "^0.2.0",
-    "astro": "^1.0.0-beta.56",
+    "astro": "^1.0.0-beta.57",
     "sass": "^1.52.2"
   },
   "dependencies": {
diff --git a/examples/with-markdown-plugins/package.json b/examples/with-markdown-plugins/package.json
index aaa433475..063a572c7 100644
--- a/examples/with-markdown-plugins/package.json
+++ b/examples/with-markdown-plugins/package.json
@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@astrojs/markdown-remark": "^0.11.3",
-    "astro": "^1.0.0-beta.56",
+    "astro": "^1.0.0-beta.57",
     "hast-util-select": "5.0.1",
     "rehype-autolink-headings": "^6.1.1",
     "rehype-slug": "^5.0.1",
diff --git a/examples/with-markdown-shiki/package.json b/examples/with-markdown-shiki/package.json
index cb214e252..1e9ad4902 100644
--- a/examples/with-markdown-shiki/package.json
+++ b/examples/with-markdown-shiki/package.json
@@ -10,6 +10,6 @@
   },
   "devDependencies": {
     "@astrojs/markdown-remark": "^0.11.3",
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   }
 }
diff --git a/examples/with-markdown/package.json b/examples/with-markdown/package.json
index 0f1fddfbf..6e749e548 100644
--- a/examples/with-markdown/package.json
+++ b/examples/with-markdown/package.json
@@ -14,7 +14,7 @@
     "@astrojs/react": "^0.2.0",
     "@astrojs/svelte": "^0.2.0",
     "@astrojs/vue": "^0.2.0",
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   },
   "dependencies": {
     "preact": "^10.7.3",
diff --git a/examples/with-nanostores/package.json b/examples/with-nanostores/package.json
index 5141c4e5a..773149fc8 100644
--- a/examples/with-nanostores/package.json
+++ b/examples/with-nanostores/package.json
@@ -25,6 +25,6 @@
     "@astrojs/solid-js": "^0.2.0",
     "@astrojs/svelte": "^0.2.0",
     "@astrojs/vue": "^0.2.0",
-    "astro": "^1.0.0-beta.56"
+    "astro": "^1.0.0-beta.57"
   }
 }
diff --git a/examples/with-tailwindcss/package.json b/examples/with-tailwindcss/package.json
index 54ed31a2c..a3d089a7b 100644
--- a/examples/with-tailwindcss/package.json
+++ b/examples/with-tailwindcss/package.json
@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@astrojs/tailwind": "^0.2.1",
-    "astro": "^1.0.0-beta.56",
+    "astro": "^1.0.0-beta.57",
     "autoprefixer": "^10.4.7",
     "canvas-confetti": "^1.5.1",
     "postcss": "^8.4.14",
diff --git a/examples/with-vite-plugin-pwa/package.json b/examples/with-vite-plugin-pwa/package.json
index b642b2d1f..eba6235e5 100644
--- a/examples/with-vite-plugin-pwa/package.json
+++ b/examples/with-vite-plugin-pwa/package.json
@@ -9,7 +9,7 @@
     "preview": "astro preview"
   },
   "devDependencies": {
-    "astro": "^1.0.0-beta.56",
+    "astro": "^1.0.0-beta.57",
     "vite-plugin-pwa": "0.11.11",
     "workbox-window": "^6.5.3"
   }
diff --git a/packages/astro/CHANGELOG.md b/packages/astro/CHANGELOG.md
index 8ff78be21..6ac878934 100644
--- a/packages/astro/CHANGELOG.md
+++ b/packages/astro/CHANGELOG.md
@@ -1,5 +1,11 @@
 # astro
 
+## 1.0.0-beta.57
+
+### Patch Changes
+
+- [#3724](https://github.com/withastro/astro/pull/3724) [`86635e03`](https://github.com/withastro/astro/commit/86635e035b209845b4e1cdf370a4c78451271b70) Thanks [@matthewp](https://github.com/matthewp)! - Fixes define:vars w/ styles used inside of components
+
 ## 1.0.0-beta.56
 
 ### Patch Changes
diff --git a/packages/astro/package.json b/packages/astro/package.json
index 1a35c6bb7..2c61ba25b 100644
--- a/packages/astro/package.json
+++ b/packages/astro/package.json
@@ -1,6 +1,6 @@
 {
   "name": "astro",
-  "version": "1.0.0-beta.56",
+  "version": "1.0.0-beta.57",
   "description": "Astro is a modern site builder with web best practices, performance, and DX front-of-mind.",
   "type": "module",
   "author": "withastro",
diff --git a/packages/astro/src/runtime/server/index.ts b/packages/astro/src/runtime/server/index.ts
index e1ffd69e5..8df0440c4 100644
--- a/packages/astro/src/runtime/server/index.ts
+++ b/packages/astro/src/runtime/server/index.ts
@@ -183,7 +183,26 @@ export async function renderComponent(
 	}
 
 	if (Component && (Component as any).isAstroComponentFactory) {
-		return renderToIterable(result, Component as any, _props, slots);
+		async function* renderAstroComponentInline(): AsyncGenerator<string, void, undefined> {
+			let iterable = await renderToIterable(result, Component as any, _props, slots);
+			// If this component added any define:vars styles and the head has already been
+			// sent out, we need to include those inline.
+			if (result.styles.size && alreadyHeadRenderedResults.has(result)) {
+				let styles = Array.from(result.styles);
+				result.styles.clear();
+				for (const style of styles) {
+					if ('define:vars' in style.props) {
+						// We only want to render the property value and not the full stylesheet
+						// which is bundled in the head.
+						style.children = '';
+						yield markHTMLString(renderElement('style', style));
+					}
+				}
+			}
+			yield* iterable;
+		}
+
+		return renderAstroComponentInline();
 	}
 
 	if (!Component && !_props['client:only']) {
@@ -408,6 +427,7 @@ If you're still stuck, please open an issue on GitHub or join us at https://astr
 
 	island.children = `${html ?? ''}${template}`;
 
+	// Scripts to prepend
 	let prescriptType: PrescriptType = needsHydrationScript
 		? 'both'
 		: needsDirectiveScript
@@ -655,6 +675,7 @@ export async function renderToIterable(
 	const Component = await componentFactory(result, props, children);
 
 	if (!isAstroComponent(Component)) {
+		// eslint-disable-next-line no-console
 		console.warn(
 			`Returning a Response is only supported inside of page components. Consider refactoring this logic into something like a function that can be used in the page.`
 		);
@@ -719,6 +740,8 @@ export async function renderHead(result: SSRResult): Promise<string> {
 	const styles = Array.from(result.styles)
 		.filter(uniqueElements)
 		.map((style) => renderElement('style', style));
+	// Clear result.styles so that any new styles added will be inlined.
+	result.styles.clear();
 	const scripts = Array.from(result.scripts)
 		.filter(uniqueElements)
 		.map((script, i) => {
diff --git a/packages/astro/test/astro-directives.test.js b/packages/astro/test/astro-directives.test.js
index 161063e97..8bdccb90b 100644
--- a/packages/astro/test/astro-directives.test.js
+++ b/packages/astro/test/astro-directives.test.js
@@ -22,7 +22,7 @@ describe('Directives', async () => {
 		const html = await fixture.readFile('/define-vars/index.html');
 		const $ = cheerio.load(html);
 
-		expect($('style')).to.have.lengthOf(1);
+		expect($('style')).to.have.lengthOf(2);
 		expect($('style').toString()).to.include('--bg: white;');
 		expect($('style').toString()).to.include('--fg: black;');
 
@@ -31,9 +31,18 @@ describe('Directives', async () => {
 			.split(' ')
 			.find((name) => /^astro-[A-Za-z0-9-]+/.test(name));
 
-		expect($('style').toString().replace(/\s+/g, '')).to.equal(
+		expect($($('style').get(0)).toString().replace(/\s+/g, '')).to.equal(
 			`<style>.${scopedClass}{--bg:white;--fg:black;}body{background:var(--bg);color:var(--fg)}</style>`
 		);
+
+		const scopedTitleClass = $('.title')
+			.attr('class')
+			.split(' ')
+			.find((name) => /^astro-[A-Za-z0-9-]+/.test(name));
+
+		expect($($('style').get(1)).toString().replace(/\s+/g, '')).to.equal(
+			`<style>.${scopedTitleClass}{--textColor:red;}</style>`
+		);
 	});
 
 	it('set:html', async () => {
diff --git a/packages/astro/test/fixtures/astro-directives/src/components/Title.astro b/packages/astro/test/fixtures/astro-directives/src/components/Title.astro
new file mode 100644
index 000000000..b59303ed6
--- /dev/null
+++ b/packages/astro/test/fixtures/astro-directives/src/components/Title.astro
@@ -0,0 +1,10 @@
+---
+  const textColor = 'red'
+---
+<h1 class="title">hello there</h1>
+
+<style define:vars={{textColor: textColor}}>
+  .title {
+    color: var(--textColor);
+  }
+</style>
diff --git a/packages/astro/test/fixtures/astro-directives/src/pages/define-vars.astro b/packages/astro/test/fixtures/astro-directives/src/pages/define-vars.astro
index db03705ad..3df42aea1 100644
--- a/packages/astro/test/fixtures/astro-directives/src/pages/define-vars.astro
+++ b/packages/astro/test/fixtures/astro-directives/src/pages/define-vars.astro
@@ -1,4 +1,5 @@
 ---
+import Title from "../components/Title.astro"
 let foo = 'bar'
 let bg = 'white'
 let fg = 'black'
@@ -17,5 +18,7 @@ let fg = 'black'
     <script id="inline" define:vars={{ foo }}>
 			console.log(foo);
 		</script>
+
+		<Title />
   </body>
 </html>
diff --git a/packages/astro/test/fixtures/ssr-response/src/components/OverwriteHeader.astro b/packages/astro/test/fixtures/ssr-response/src/components/OverwriteHeader.astro
deleted file mode 100644
index e3a99c6c3..000000000
--- a/packages/astro/test/fixtures/ssr-response/src/components/OverwriteHeader.astro
+++ /dev/null
@@ -1,9 +0,0 @@
----
-let gotError = false;
-try {
-	Astro.response.headers = new Headers();
-} catch(err) {
-	gotError = true;
-}
----
-<div id="overwrite-error">{gotError}</div>
diff --git a/packages/astro/test/fixtures/ssr-response/src/components/SetAHeader.astro b/packages/astro/test/fixtures/ssr-response/src/components/SetAHeader.astro
deleted file mode 100644
index 4186561f4..000000000
--- a/packages/astro/test/fixtures/ssr-response/src/components/SetAHeader.astro
+++ /dev/null
@@ -1,3 +0,0 @@
----
-Astro.response.headers.set('Seven-Eight', 'nine');
----
diff --git a/packages/astro/test/fixtures/ssr-response/src/components/SetStatus.astro b/packages/astro/test/fixtures/ssr-response/src/components/SetStatus.astro
deleted file mode 100644
index d98f3a8e1..000000000
--- a/packages/astro/test/fixtures/ssr-response/src/components/SetStatus.astro
+++ /dev/null
@@ -1,3 +0,0 @@
----
-Astro.response.status = 403;
----
diff --git a/packages/astro/test/fixtures/ssr-response/src/pages/child-set-status.astro b/packages/astro/test/fixtures/ssr-response/src/pages/child-set-status.astro
deleted file mode 100644
index 8b66882f1..000000000
--- a/packages/astro/test/fixtures/ssr-response/src/pages/child-set-status.astro
+++ /dev/null
@@ -1,12 +0,0 @@
----
-import SetStatus from '../components/SetStatus.astro';
----
-<html>
-	<head>
-		<title>Testing</title>
-	</head>
-	<body>
-		<h1>Testing</h1>
-		<SetStatus />
-	</body>
-</html>
diff --git a/packages/astro/test/fixtures/ssr-response/src/pages/child-tries-to-overwrite.astro b/packages/astro/test/fixtures/ssr-response/src/pages/child-tries-to-overwrite.astro
deleted file mode 100644
index 35a207de7..000000000
--- a/packages/astro/test/fixtures/ssr-response/src/pages/child-tries-to-overwrite.astro
+++ /dev/null
@@ -1,14 +0,0 @@
----
-import SetAHeader from '../components/SetAHeader.astro';
-import OverwriteHeader from '../components/OverwriteHeader.astro';
----
-<html>
-	<head>
-		<title>Testing</title>
-	</head>
-	<body>
-		<h1>Testing</h1>
-		<SetAHeader />
-		<OverwriteHeader />
-	</body>
-</html>
diff --git a/packages/astro/test/fixtures/ssr-response/src/pages/some-header.astro b/packages/astro/test/fixtures/ssr-response/src/pages/some-header.astro
index f2840ff94..ea62dfd54 100644
--- a/packages/astro/test/fixtures/ssr-response/src/pages/some-header.astro
+++ b/packages/astro/test/fixtures/ssr-response/src/pages/some-header.astro
@@ -1,5 +1,4 @@
 ---
-import SetAHeader from '../components/SetAHeader.astro';
 Astro.response.headers.set('One-Two', 'three');
 Astro.response.headers.set('Four-Five', 'six');
 ---
@@ -9,6 +8,5 @@ Astro.response.headers.set('Four-Five', 'six');
 	</head>
 	<body>
 		<h1>Testing</h1>
-		<SetAHeader />
 	</body>
 </html>
diff --git a/packages/astro/test/ssr-response.test.js b/packages/astro/test/ssr-response.test.js
index 1b517d9ee..ffabcbba4 100644
--- a/packages/astro/test/ssr-response.test.js
+++ b/packages/astro/test/ssr-response.test.js
@@ -32,13 +32,6 @@ describe('Using Astro.response in SSR', () => {
 		expect(response.statusText).to.equal('Oops');
 	});
 
-	it('Child component can set status', async () => {
-		const app = await fixture.loadTestAdapterApp();
-		const request = new Request('http://example.com/child-set-status');
-		const response = await app.render(request);
-		expect(response.status).to.equal(403);
-	});
-
 	it('Can add headers', async () => {
 		const app = await fixture.loadTestAdapterApp();
 		const request = new Request('http://example.com/some-header');
@@ -46,17 +39,5 @@ describe('Using Astro.response in SSR', () => {
 		const headers = response.headers;
 		expect(headers.get('one-two')).to.equal('three');
 		expect(headers.get('four-five')).to.equal('six');
-		expect(headers.get('seven-eight')).to.equal('nine');
-	});
-
-	it('Child component cannot override headers object', async () => {
-		const app = await fixture.loadTestAdapterApp();
-		const request = new Request('http://example.com/child-tries-to-overwrite');
-		const response = await app.render(request);
-		const headers = response.headers;
-		expect(headers.get('seven-eight')).to.equal('nine');
-		const html = await response.text();
-		const $ = cheerioLoad(html);
-		expect($('#overwrite-error').html()).to.equal('true');
 	});
 });
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index bf731e47e..0356a065b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -49,14 +49,14 @@ importers:
 
   examples/basics:
     specifiers:
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
     devDependencies:
       astro: link:../../packages/astro
 
   examples/blog:
     specifiers:
       '@astrojs/preact': ^0.2.0
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       preact: ^10.7.3
     dependencies:
       preact: 10.7.3
@@ -67,7 +67,7 @@ importers:
   examples/blog-multiple-authors:
     specifiers:
       '@astrojs/preact': ^0.2.0
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       preact: ^10.7.3
       sass: ^1.52.2
     dependencies:
@@ -79,14 +79,14 @@ importers:
 
   examples/component:
     specifiers:
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
     devDependencies:
       astro: link:../../packages/astro
 
   examples/component/demo:
     specifiers:
       '@example/my-component': workspace:*
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
     devDependencies:
       '@example/my-component': link:../packages/my-component
       astro: link:../../../packages/astro
@@ -102,7 +102,7 @@ importers:
       '@docsearch/css': ^3.1.0
       '@docsearch/react': ^3.1.0
       '@types/react': ^17.0.45
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       preact: ^10.7.3
       react: ^18.1.0
       react-dom: ^18.1.0
@@ -121,14 +121,14 @@ importers:
 
   examples/env-vars:
     specifiers:
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
     devDependencies:
       astro: link:../../packages/astro
 
   examples/framework-alpine:
     specifiers:
       alpinejs: ^3.10.2
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
     dependencies:
       alpinejs: 3.10.2
     devDependencies:
@@ -138,7 +138,7 @@ importers:
     specifiers:
       '@astrojs/lit': ^0.3.0
       '@webcomponents/template-shadowroot': ^0.1.0
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       lit: ^2.2.5
     dependencies:
       '@webcomponents/template-shadowroot': 0.1.0
@@ -156,7 +156,7 @@ importers:
       '@astrojs/svelte': ^0.2.0
       '@astrojs/vue': ^0.2.0
       '@webcomponents/template-shadowroot': ^0.1.0
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       lit: ^2.2.5
       preact: ^10.7.3
       react: ^18.1.0
@@ -185,7 +185,7 @@ importers:
   examples/framework-preact:
     specifiers:
       '@astrojs/preact': ^0.2.0
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       preact: ^10.7.3
     dependencies:
       preact: 10.7.3
@@ -198,7 +198,7 @@ importers:
       '@astrojs/react': ^0.2.0
       '@types/react': ^18.0.10
       '@types/react-dom': ^18.0.5
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       react: ^18.1.0
       react-dom: ^18.1.0
     dependencies:
@@ -213,7 +213,7 @@ importers:
   examples/framework-solid:
     specifiers:
       '@astrojs/solid-js': ^0.2.0
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       solid-js: ^1.4.3
     dependencies:
       solid-js: 1.4.3
@@ -224,7 +224,7 @@ importers:
   examples/framework-svelte:
     specifiers:
       '@astrojs/svelte': ^0.2.0
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       svelte: ^3.48.0
     dependencies:
       svelte: 3.48.0
@@ -235,7 +235,7 @@ importers:
   examples/framework-vue:
     specifiers:
       '@astrojs/vue': ^0.2.0
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       vue: ^3.2.36
     dependencies:
       vue: 3.2.37
@@ -253,7 +253,7 @@ importers:
       '@astrojs/tailwind': ^0.2.1
       '@astrojs/turbolinks': ^0.1.3
       '@webcomponents/template-shadowroot': ^0.1.0
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       lit: ^2.2.5
       preact: ^10.7.3
       react: ^18.1.0
@@ -282,20 +282,20 @@ importers:
 
   examples/minimal:
     specifiers:
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
     devDependencies:
       astro: link:../../packages/astro
 
   examples/non-html-pages:
     specifiers:
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
     devDependencies:
       astro: link:../../packages/astro
 
   examples/portfolio:
     specifiers:
       '@astrojs/preact': ^0.2.0
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       preact: ^10.7.3
       sass: ^1.52.2
     dependencies:
@@ -309,7 +309,7 @@ importers:
     specifiers:
       '@astrojs/node': ^0.1.2
       '@astrojs/svelte': ^0.2.0
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       concurrently: ^7.2.1
       lightcookie: ^1.0.25
       svelte: ^3.48.0
@@ -328,14 +328,14 @@ importers:
 
   examples/starter:
     specifiers:
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
     devDependencies:
       astro: link:../../packages/astro
 
   examples/subpath:
     specifiers:
       '@astrojs/react': ^0.2.0
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       react: ^18.1.0
       react-dom: ^18.1.0
       sass: ^1.52.2
@@ -354,7 +354,7 @@ importers:
       '@astrojs/react': ^0.2.0
       '@astrojs/svelte': ^0.2.0
       '@astrojs/vue': ^0.2.0
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       preact: ^10.7.3
       react: ^18.1.0
       react-dom: ^18.1.0
@@ -377,7 +377,7 @@ importers:
   examples/with-markdown-plugins:
     specifiers:
       '@astrojs/markdown-remark': ^0.11.3
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       hast-util-select: 5.0.1
       rehype-autolink-headings: ^6.1.1
       rehype-slug: ^5.0.1
@@ -395,7 +395,7 @@ importers:
   examples/with-markdown-shiki:
     specifiers:
       '@astrojs/markdown-remark': ^0.11.3
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
     devDependencies:
       '@astrojs/markdown-remark': link:../../packages/markdown/remark
       astro: link:../../packages/astro
@@ -410,7 +410,7 @@ importers:
       '@nanostores/preact': ^0.1.3
       '@nanostores/react': ^0.1.5
       '@nanostores/vue': ^0.4.1
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       nanostores: ^0.5.12
       preact: ^10.7.3
       react: ^18.1.0
@@ -438,7 +438,7 @@ importers:
   examples/with-tailwindcss:
     specifiers:
       '@astrojs/tailwind': ^0.2.1
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       autoprefixer: ^10.4.7
       canvas-confetti: ^1.5.1
       postcss: ^8.4.14
@@ -453,7 +453,7 @@ importers:
 
   examples/with-vite-plugin-pwa:
     specifiers:
-      astro: ^1.0.0-beta.56
+      astro: ^1.0.0-beta.57
       vite-plugin-pwa: 0.11.11
       workbox-window: ^6.5.3
     devDependencies:
@@ -8581,11 +8581,6 @@ packages:
 
   /debug/3.2.7:
     resolution: {integrity: sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==}
-    peerDependencies:
-      supports-color: '*'
-    peerDependenciesMeta:
-      supports-color:
-        optional: true
     dependencies:
       ms: 2.1.3
     dev: false
@@ -11467,8 +11462,6 @@ packages:
       debug: 3.2.7
       iconv-lite: 0.4.24
       sax: 1.2.4
-    transitivePeerDependencies:
-      - supports-color
     dev: false
 
   /netmask/2.0.2:
@@ -11552,8 +11545,6 @@ packages:
       rimraf: 2.7.1
       semver: 5.7.1
       tar: 4.4.19
-    transitivePeerDependencies:
-      - supports-color
     dev: false
 
   /node-releases/2.0.5: