Ticket #52737: 52737.patch

query.php

@@ -1079 +1079 @@
                         return;
                 }
 
-                wp_redirect( $link, 301 ); // Permanent redirect.
+                /**
+                 * Filters the old slug redirect status.
+                 *
+                 * @since 5.8.0
+                 *
+                 * @param string $status The redirect status.
+                 */
+                $status = apply_filters( 'old_slug_redirect_status', 301 );
+
+                if ( ! $status ) {
+                        return;
+                }
+
+                wp_redirect( $link, $status ); // Permanent redirect.
                 exit;
         }
 }