Index: src/wp-includes/script-loader.php
===================================================================
--- src/wp-includes/script-loader.php	(revision 43912)
+++ src/wp-includes/script-loader.php	(working copy)
@@ -1692,7 +1692,7 @@
 
 	$package_styles = array(
 		'block-library' => array(),
-		'components' => array(),
+		'components' => array( 'wp-block-library' ),
 		'edit-post' => array( 'wp-components', 'wp-editor', 'wp-edit-blocks', 'wp-block-library', 'wp-nux' ),
 		'editor' => array( 'wp-components', 'wp-editor-font', 'wp-nux' ),
 		'format-library' => array(),