Our Product Managers use required to define multiple key results per outcome. To capture this information we have implemented a custom field using the Editable choice field type. When A product manager creates a release, we would look to be able to select one of the editable choices from the Key Result field so that this can be displayed on a custom view.
Thank you for your idea. This is a perfect use case for custom tables (which are available on the Enterprise+ plan.) Custom tables allow you to add data, which can then be used across any record type in Aha! They can also be included in reports just as standard records are.
At this time, given the functionality available we are unlikely to implement this idea. We hope you can understand.