ah. We were on 5.3.7 and skipped over 5.3.8 and went straight to 5.3.8.1. That must be why we didnt see the change until now.
There is another field attribute with the index of “_name” that contains the actual name of the field, this has also been there for a while
PERFECT! Way better than regex’ing the key back out and keeps from having to retrieve and store more than what I want. Thank you!