Field Updates on Public Start Forms should trigger the API

At the moment, field updates on a Public Start Form do not trigger the API “Field Updated” Webhook.

This is a very unfortunate limitation.

Here are some examples of why this capability would be invaluable;

• customer fills out their postal code on the Start Form. This triggers a postcode lookup returning a list of corresponding addresses allowing the customer to select their address
• a returning customer enters their email address on the Start Form. This triggers a person lookup (eg on company CRM) which prefills the Start Form with the customer details

Can we get this feature implemented pelase.