True. Another problem (from a class/library-consumer point of view) is having getters/setters suddenly becoming more expensive to call, blocking, or even havin

True. Another problem (from a class/library-consumer point of view) is having getters/setters suddenly becoming more expensive to call, blocking, or even having side effects after an update. It often only affect the runtime behavior of the code. Changing the interface, however, will give me a hit that something else has changed.