Categorize Meta Data Filters
Allow the custom meta data filters to be categorize or put in folders. You could organize your filters by customer, deployment type, etc..
I sent an email to Gearset support, and they directed me to this post to confirm that this is what I was looking for also. And yes, it is exactly what I was after!
I think this would be incredibly beneficial, especially for anyone that needs to manage multiple, separate entities, and their various related sandboxes.