Ticket #27754: 27754.patch

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

@@ -347 +347 @@
                 );
 
                 $options = wp_parse_args($options, $defaults);
+                $options = apply_filters( 'upgrader_package_options', $options );
                 extract($options);
 
                 if ( ! $is_multi ) // call $this->header separately if running multiple times