Ticket #36180: 36180.1.diff

src/wp-includes/post.php

@@ -5156 +5156 @@
          * transitioned to a status, use the {@see 'transition_post_status'} hook instead.
          *
          * @since 2.3.0
+         * @since 5.9.0 The `$old_status` parameter was added.
          *
-         * @param int     $post_id Post ID.
-         * @param WP_Post $post    Post object.
+         * @param int     $post_id    Post ID.
+         * @param WP_Post $post       Post object.
+         * @param string  $old_status Old post status.
          */
-        do_action( "{$new_status}_{$post->post_type}", $post->ID, $post );
+        do_action( "{$new_status}_{$post->post_type}", $post->ID, $post, $old_status );
 }
 
 /**