diff --git a/packages/schema/src/config/experimental.ts b/packages/schema/src/config/experimental.ts
index 97811649a3..a0429f6549 100644
--- a/packages/schema/src/config/experimental.ts
+++ b/packages/schema/src/config/experimental.ts
@@ -93,9 +93,8 @@ export default defineUntypedSchema({
      */
     noScripts: false,
 
-    // TODO: enable by default in v3.5
     /** Render JSON payloads with support for revivifying complex types. */
-    renderJsonPayloads: false,
+    renderJsonPayloads: true,
 
     /**
      * Disable vue server renderer endpoint within nitro.
diff --git a/test/bundle.test.ts b/test/bundle.test.ts
index 65db0e7520..ce8bf0b63d 100644
--- a/test/bundle.test.ts
+++ b/test/bundle.test.ts
@@ -34,7 +34,7 @@ describe.skipIf(isWindows || process.env.TEST_BUILDER === 'webpack' || process.e
 
   it('default client bundle size', async () => {
     stats.client = await analyzeSizes('**/*.js', publicDir)
-    expect(roundToKilobytes(stats.client.totalBytes)).toMatchInlineSnapshot('"94.2k"')
+    expect(roundToKilobytes(stats.client.totalBytes)).toMatchInlineSnapshot('"96.6k"')
     expect(stats.client.files.map(f => f.replace(/\..*\.js/, '.js'))).toMatchInlineSnapshot(`
       [
         "_nuxt/entry.js",
@@ -45,7 +45,7 @@ describe.skipIf(isWindows || process.env.TEST_BUILDER === 'webpack' || process.e
 
   it('default server bundle size', async () => {
     stats.server = await analyzeSizes(['**/*.mjs', '!node_modules'], serverDir)
-    expect(roundToKilobytes(stats.server.totalBytes)).toMatchInlineSnapshot('"67.7k"')
+    expect(roundToKilobytes(stats.server.totalBytes)).toMatchInlineSnapshot('"61.7k"')
 
     const modules = await analyzeSizes('node_modules/**/*', serverDir)
     expect(roundToKilobytes(modules.totalBytes)).toMatchInlineSnapshot('"2658k"')