Longtime Apple platforms developer Brent Simmons joins John to discuss how SwiftUI is ushering in a new era for Apple’s developer tools, and how we as third party developers can prepare for it. Also, Mac development, lots of tips for writing efficient code, and dynamic programming in Swift.

Dave DeLong, former Apple developer evangelist and now iOS architect and instructor, joins John to talk about handling dates in code, MVC & app architecture, Mac development, and to tell stories of how WWDC is put together.

Benedikt Terhechte joins John to talk about Mac development, working as an indie developer, code sharing between Apple's platforms, extending the standard library, system packages, and much more.

Gui Rambo joins John to talk about reverse engineering, finding product details in leaked Apple firmware & SDKs, getting started with Mac development & open source, and much more.