Index: src/wp-admin/includes/update-core.php
===================================================================
--- src/wp-admin/includes/update-core.php	(revision 51468)
+++ src/wp-admin/includes/update-core.php	(working copy)
@@ -822,6 +822,10 @@
 	'wp-includes/block-patterns/large-header-button.php',
 	'wp-includes/blocks/subhead/block.json',
 	'wp-includes/blocks/subhead',
+	'wp-includes/css/dist/editor/editor-styles.css',
+	'wp-includes/css/dist/editor/editor-styles.min.css',
+	'wp-includes/css/dist/editor/editor-styles-rtl.css',
+	'wp-includes/css/dist/editor/editor-styles-rtl.min.css',
 );
 
 /**