New feature : adding a reason to a title/description/location submission
When submitting a new title for a portal, a new description or a location change, you can't add a reason or precision to that submission.
When submitting many changes for the same portal, those change are all displayed in wayfarer in a single batch.
Some players are using the description field to add appropriate or inappropriate suggestions to the reviewer. The idea behind is that this suggestion will help approving other submissions, and the description change having attained it's goal will be reject by the reviewers.
Now, coming to the new feature suggestion.
When submitting a modification, non mandatory fields to explain the reason of the modification, adding precision and even submitting photos would be added.
Those info would be displayed to the reviewers to help them approving (or refusing) the modifications.
To prevent any abuse (something like false location for pokestop optimization, or creating home/work portals), reviewers could flag inappropriate info for Niantic to investigate.