New aggregation update in Data Studio is breaking any custom metrics (no auto agg.)
It seems the update mentioned in this thread has broken some functionality in your connector:
Specifically, I can't make full use of custom metrics now.
Before, when creating one I got the "Auto" aggregation but now it's set to "None" and don't have the option to select "Auto".
This means that any of my custom metrics don't work now - that's mission critical for us.