Ticket #31549: 31549.diff

src/wp-includes/user.php

@@ -1913 +1913 @@
 
         $user = new WP_User( $user_id );
 
+        $meta = apply_filters('insert_user_meta', $meta, $user); 
+        
         // Update user meta.
         foreach ( $meta as $key => $value ) {
                 update_user_meta( $user_id, $key, $value );