feat: change `compressHTML` default value to `true` (#7918)

Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>

3 files changed, 15 insertions, 2 deletions

diff --git a/.changeset/unlucky-ravens-type.md b/.changeset/unlucky-ravens-type.md
new file mode 100644
index 000000000..88b0aa748
--- /dev/null
+++ b/.changeset/unlucky-ravens-type.md
@@ -0,0 +1,14 @@
+---
+'astro': major
+---
+
+The property `compressHTML` is now `true` by default. Setting this value to `true` is no longer required.
+
+If you do not want to minify your HTML output, you must set this value to `false` in `astro.config.mjs`.
+
+```diff
+import {defineConfig} from "astro/config";
+export default defineConfig({
++  compressHTML: false
+})
+```
diff --git a/packages/astro/src/core/config/schema.ts b/packages/astro/src/core/config/schema.ts
index 64cb4d16a..282f7844e 100644
--- a/packages/astro/src/core/config/schema.ts
+++ b/packages/astro/src/core/config/schema.ts
@@ -29,7 +29,7 @@ const ASTRO_CONFIG_DEFAULTS = {
 		split: false,
 		excludeMiddleware: false,
 	},
-	compressHTML: false,
+	compressHTML: true,
 	server: {
 		host: false,
 		port: 4321,
diff --git a/packages/astro/test/ssr-manifest.test.js b/packages/astro/test/ssr-manifest.test.js
index 4e5521220..bd9483505 100644
--- a/packages/astro/test/ssr-manifest.test.js
+++ b/packages/astro/test/ssr-manifest.test.js
@@ -11,7 +11,6 @@ describe('astro:ssr-manifest', () => {
 		fixture = await loadFixture({
 			root: './fixtures/ssr-manifest/',
 			output: 'server',
-			compressHTML: true,
 			adapter: testAdapter(),
 		});
 		await fixture.build();