Opt-in to print styles for rendered blocks only and inlining them

functions.php

@@ -21,6 +21,8 @@ function twentytwentytwo_support()  {
 function twentytwentytwo_scripts() {
 	// Enqueue theme stylesheet.
 	wp_enqueue_style( 'twentytwentytwo-style', get_template_directory_uri() . '/style.css', array(), wp_get_theme()->get( 'Version' ) );
+	// Add "path" data to the stylesheet to allow inlining it when possible in order to improve perfrormance.
+	wp_style_add_data( 'twentytwentytwo-style', 'path', get_template_directory() . '/style.css' );
 }
 add_action( 'wp_enqueue_scripts', 'twentytwentytwo_scripts' );
 
@@ -35,4 +37,7 @@ function twentytwentytwo_editor_styles() {
 		)
 	);
 }
-add_action( 'admin_init', 'twentytwentytwo_editor_styles' );
+add_action( 'admin_init', 'twentytwentytwo_editor_styles' );
+
+// Opt-in to only load styles for rendered blocks.
+add_filter( 'should_load_separate_core_block_assets', '__return_true' );