We have a number of projects with similar names for multiple clients. When submitting a new form and using the relation dropdown to link to a particular project these items have no way of uniquely identifying themselves as they have the same name.
It would be great if you could show or hide other fields from the related item in the dropdown menu of the form. That way you could choose additional fields that may be more unique than the name alone, like related client name or item id (similar to how you can in a regular table view).
This would cutdown greatly on the confusion when there are a number of items with the same name.
Example:

