When features are created almost all fields, including custom fields, are optional. The ability to make fields required will help ensure we have complete metadata. Currently we spend a lot of time manually entering data after the fact which is need to drive our reports and other external views and dashboards.
Extending the existing Validation option from Idea custom fields to all types (Products, Personas, Competitors, Goals, Initiatives, Releases, Master Features, Features and Requirements) would be very useful;
Validation
When you add custom fields to Ideas, you can set them to Required for the idea form if needed. This controls whether this custom field is required when submitting an idea through the ideas portal, and can provide a means to ensure contributors are adding the idea information you require. This will have no effect when creating or editing an idea through Aha!