Ticket #40966: 40966.4.diff

wp-admin/js/updates.js

@@ -1997 +1997 @@
                  * @param {Event} event Event interface.
                  */
                 $bulkActionForm.on( 'click', '[type="submit"]', function( event ) {
+
                         var bulkAction    = $( event.target ).siblings( 'select' ).val(),
                                 itemsSelected = $bulkActionForm.find( 'input[name="checked[]"]:checked' ),
                                 success       = 0,
@@ -2004 +2005 @@
                                 errorMessages = [],
                                 type, action;
 
+            if ( bulkAction == 'update-selected' && $('.updating-message')[0] ) {
+                return false;
+            }
+
                         // Determine which type of item we're dealing with.
                         switch ( pagenow ) {
                                 case 'plugins':