Ticket #32800: 32800.3.diff

wp-admin/js/customize-nav-menus.js

@@ -1676 +1676 @@
                                                 select.append( new Option( control.setting().name, menuId ) );
                                         }
                                 } );
-                                $( '#available-widgets-list .widget-inside:has(input.id_base[value=nav_menu]) select:first' ).append( new Option( control.setting().name, menuId ) );
                         }
                 },
 
@@ -2361 +2360 @@
                                 oldSetting.set( false );
                                 oldSetting.preview();
                                 newSetting.preview();
+                                /**
+                                 * Remove the previous menu id options from the custom menu widgets.
+                                 */
+                                $( '.control-section-sidebar .widget-inside:has(input.id_base[value=nav_menu])' )
+                                        .find( 'option[value=' + update.previous_term_id + ']' )
+                                        .remove();
 
                                 // Update nav_menu_locations to reference the new ID.
                                 api.each( function( setting ) {