Currently forms created by Form mechanism (from left panel) don't have aria-* attributes. If controls (input, select, etc) have checked "Required Field" and not valid, aria attribute is not present in the element.
- Log in with role which allows to creating forms
- Go to Content & Data -> Forms
- Add new form
- Add "Text field" control and enable "Required Field"
- Add "Select from list" control and enable "Required Field"
- Save form
- Embed form on website
- Try to submit embedded form with not filled fields
Form controls don't have attributes aria-required and aria-invalid.
Control with enabled "Required Field" should contain attributes: