The OnStartEditing event fires just fine. I want to listen for when an attribute from the row changes, so I wired an OnChangeFeature event:

The OnStartEditing event fires just fine. I want to listen for when an attribute from the row changes, so I wired an OnChangeFeature event:

EDIT 2: It appears that the parcel fabric is, in fact, the issue. The event fires just fine when working on simple feature classes. Regardless, setting CanBypassStoreMethod() to false should fix this issue - is my implementation of this method correct?