The Importance of Compatibility in Language Design

The goal here is to say, well, what can we do to reboot or reskin if you're still using the audio engineering program but it's got a different skin on it. And so that's the way I approached it to the key things. The same thing you can see happen in the swift transition, for example, is that that compatibility constraint up front. You have to have the identical object model or a superset of it.