Ticket #50848: 50848.1.diff

src/wp-admin/includes/class-wp-automatic-updater.php

@@ -196 +196 @@
                  *
                  * @since 3.7.0
                  *
-                 * @param bool   $update Whether to update.
-                 * @param object $item   The update offer.
+                 * @param bool|null $update Whether to update. Value of null is internally used to
+                 *                          detect whether nothing has hooked into this filter.
+                 * @param object    $item   The update offer.
                  */
                 $update = apply_filters( "auto_update_{$type}", $update, $item );