From 16633fff2c055102fc52115e6d936de0cedeb5e5 Mon Sep 17 00:00:00 2001
From: Riad Benguella <benguella@gmail.com>
Date: Thu, 14 Oct 2021 14:08:56 +0100
Subject: [PATCH] Enable theme supports automatically for FSE theme (#35593)

---
 .../wordpress-5.9/default-theme-supports.php  | 21 +++++++++++++++++++
 lib/load.php                                  |  1 +
 2 files changed, 22 insertions(+)
 create mode 100644 lib/compat/wordpress-5.9/default-theme-supports.php

diff --git a/lib/compat/wordpress-5.9/default-theme-supports.php b/lib/compat/wordpress-5.9/default-theme-supports.php
new file mode 100644
index 0000000000000..84df5ca0d91c4
--- /dev/null
+++ b/lib/compat/wordpress-5.9/default-theme-supports.php
@@ -0,0 +1,21 @@
+<?php
+/**
+ * Loads default theme supports for block themes.
+ *
+ * @package gutenberg
+ */
+
+if ( gutenberg_is_fse_theme() ) {
+	add_theme_support( 'post-thumbnails' );
+	add_theme_support( 'responsive-embeds' );
+	add_theme_support( 'editor-styles' );
+	add_theme_support(
+		'html5',
+		array(
+			'style',
+			'script',
+		)
+	);
+	add_theme_support( 'automatic-feed-links' );
+	add_filter( 'should_load_separate_core_block_assets', '__return_true' );
+}
diff --git a/lib/load.php b/lib/load.php
index bf9d85e40e5e6..14dac73e96e6f 100644
--- a/lib/load.php
+++ b/lib/load.php
@@ -108,6 +108,7 @@ function gutenberg_is_experiment_enabled( $name ) {
 require __DIR__ . '/full-site-editing/template-loader.php';
 require __DIR__ . '/full-site-editing/edit-site-page.php';
 require __DIR__ . '/full-site-editing/edit-site-export.php';
+require __DIR__ . '/compat/wordpress-5.9/default-theme-supports.php';
 
 require __DIR__ . '/blocks.php';
 require __DIR__ . '/block-patterns.php';