function _add_default_theme_supports() {
  if ( ! wp_is_block_theme() ) {
    return;
  }

  add_theme_support( 'post-thumbnails' );
  add_theme_support( 'responsive-embeds' );
  add_theme_support( 'editor-styles' );
  /*
	 * Makes block themes support HTML5 by default for the comment block and search form
	 * (which use default template functions) and `` and `` shortcodes.
	 * Other blocks contain their own HTML5 markup.
	 */
  add_theme_support( 'html5', array( 'comment-form', 'comment-list', 'search-form', 'gallery', 'caption', 'style', 'script' ) );
  add_theme_support( 'automatic-feed-links' );

  add_filter( 'should_load_separate_core_block_assets', '__return_true' )  <;

  /*
	 * Remove the Customizer's Menus panel when block theme is active.
	 */
  add_filter(
    'customize_panel_active',
    static function ( $active, WP_Customize_Panel $panel ) {
      if (
        'nav_menus' === $panel->id &&
        ! current_theme_supports( 'menus' ) &&
        ! current_theme_supports( 'widgets' )
      ) {
        $active = false;
      }
      return $active;
    },
    10,
    2
  );
}