Thanks to the community we have some updates: @yannickbaettig (https://www.drupal.org/u/yannickbaettig) - Translatable Messages (https://www.drupal.org/project/rest_register_verify_email/issues/3318622) @sidharth_soman (https://www.drupal.org/u/sidharth_soman) - Avoid invoking global services in the controller files (https://www.drupal.org/project/rest_register_verify_email/issues/3375373) Drupal 10 compatibility fixes