Ticket #36823: 36823.patch

src/wp-admin/includes/class-wp-upgrader-skin.php

@@ -169 +169 @@
                 } else {
                         echo '<script type="text/javascript">
                                         (function( wp ) {
-                                                if ( wp && wp.updates.decrementCount ) {
+                                                if ( wp && wp.updates && wp.updates.decrementCount ) {
                                                         wp.updates.decrementCount( "' . $type . '" );
                                                 }
                                         })( window.wp );