Report on historical updates to default system or custom fields on forms

Description - Please provide ability for creating reports on changes in time done to a default or custom filed on the custom forms.

Why is this feature important to you -it makes it possible to track changes in time for particular fields on the forms.

How would you like the feature to work - More fields being available for the Updates through reports so that historical versions of field value changes can be pulled on a dashboard or in reports.

Current Behaviour -  Very limited number of fields are available to pull historical data on.