message: skip setting the disabled fields classes closes
diff: @@ -386,7 +386,7 @@ export default class Field {
  * Updates the element classes depending on each field flag status.
  */
  updateClasses () {
  - if (!this.classes) return;
  + if (!this.classes || this.isDisabled) return;
  toggleClass(this.el, this.classNames.dirty, this.flags.dirty);
  toggleClass(this.el, this.classNames.pristine, this.flags.pristine);
  