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.

Ted Kremenek, manager of the Languages and Runtimes team at Apple, joins John to talk about Swift 5 — focusing on ABI stability and what it means for the future of the language, how the underpinnings of String have been improved in this release, how Apple is using Swift internally, and much more.

Dave Verwer joins John to take a look behind the scenes of the iOS Dev Weekly newsletter, to talk about working as an indie and how to increase your chances of success as an indie creator or developer, juggling multiple projects, as well as iOS development trends.

Ben Sandofsky, the developer behind the camera app Halide, joins John for this season 3 premiere of the show — to talk about designer/developer collaboration, what goes into building a camera app, iOS app architecture, handling dependencies, minimizing an app’s binary size, and much more.

JP Simard and Jesse Squires, the hosts of Swift Unwrapped, join John for this year's Holiday Special. Topics include ways that Swift has evolved during the year, what's coming up in Swift 5, maintaining open source projects, and continuing the tradition of sending wishes to Xcode Santa.

Kristina Fox, iOS and watchOS developer at Intuit, joins John to talk about Apple Watch development, building UI using storyboards vs in code, growing into a senior developer, and how to use change as a learning opportunity.

Ellen Shapiro joins John to talk about all sorts of automated testing — unit tests, integration tests, UI test, you name it! The two also discuss Ellen's recent adventures into Kotlin and whether Kotlin Native could become a nice cross-platform solution for mobile apps.

Max Howell, creator of Homebrew and PromiseKit, joins John to talk about package manager design, asynchronous programming, interview processes, and also to tell some stories of how the Swift Package Manager was born.

Rahul Malik of Pinterest joins John to talk about working on a large-scale iOS app, using third party build systems, client/server networking architectures and much more.

Brandon Williams and Stephen Celis, formerly iOS developers at Kickstarter and now hosts of Point-Free, join John to talk about functional programming in Swift, and how it can be used to build apps, websites, and even control the world.