For structure fields not, for all other field types yes. 
That’s just an issue that can’t be solved within the core as the core doesn’t know about field types. That’s why the Panel would need to set the value on save.
For structure fields not, for all other field types yes. 
That’s just an issue that can’t be solved within the core as the core doesn’t know about field types. That’s why the Panel would need to set the value on save.