Stacktrace Podcast

On Stacktrace, we’re not afraid to dive deep into the code and nerd out about technical things. Even though we can get very technical, we always try to explain things in a way non-developers can understand too, going behind-the-scenes on scoops you’re already reading on 9to5Mac.

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Stacktrace Stories Today

It’s time for the first ever Stacktrace Headphone Holiday Guide! Along with discussions about writing technical articles, view models and the MVVM design pattern, and using Swift actors to solve race conditions and data races.

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Stacktrace Stories November 24

Rambo shares his set of principles for when and how to rewrite existing Objective-C code in Swift, John talks about his preferred workshop formats, and the two discuss the current state of Apple’s services.

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Stacktrace Stories November 17

John and Rambo discuss asynchronous unit testing, using Windows as a development platform, SwiftUI previews on laptops, and conclude their deep dive into Swift’s concurrency system by talking about actors and structured concurrency.

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Stacktrace Stories November 10

Rambo longs to get back to UI development, John releases a new open source project, and the two embark on part one of their deep dive into Swift’s new concurrency system. Also, organizing devices, and mechanical keyboards.

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Stacktrace Stories November 3

John shares his first impressions of the new 14-inch MacBook Pro and how he has been utilizing Swift’s new concurrency features to get the most out of the M1 Max. Also, Rambo’s work with Shortcuts, maintaining SwiftUI-based Mac apps, and much more.

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Stacktrace Stories October 27

After a discussion about Swift generics and when to use them, Rambo shares his initial impressions of using the new iPad mini, and John explains why he’s going back to the Mac for his portable computing needs.

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Stacktrace Stories October 20

The 14 and 16-inch Apple Silicon-based MacBook Pros have finally been revealed, and John and Rambo share their initial impressions of these new products and everything else that Apple announced during their “Unleashed” event.

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Stacktrace Stories October 13

John and Rambo share their bets, hopes, and predictions for Apple’s upcoming “Unleashed” event. Will we finally see a new, Apple Silicon-powered MacBook Pro, and what other products might make an appearance at the event? Also, SwiftUI backward compatibility, and re-prioritizing projects in preparation for new OS releases.

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Stacktrace Stories October 6

John gets back into game development, Rambo builds a custom Bluetooth packet parser for AirBuddy, and the two embark on another technical deep dive — this time into the big topic of performance tuning.

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Stacktrace Stories September 29

What it’s been like for John to upgrade from the iPhone X to the iPhone 13 Pro, Rambo’s continued adventures into the depths of Bluetooth LE, and opinions on the final production versions of iOS 15 and iPadOS 15.

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Stacktrace Stories September 22

After discussing various refactoring strategies and app extensions for iOS apps running on the Mac, John and Rambo dive into the latest App Store news, how Apple TV+ compares to its competitors, and how to switch networking environments within a beta app.


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Stacktrace Stories September 15

John and Rambo share their first impressions of the products announced at Apple’s “California Streaming” event — including the iPhone 13 lineup, the new iPad “Classic” and iPad mini, and the Apple Watch Series 7.

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Stacktrace Stories September 8

After a few brief discussions about distributed systems and preparing code bases for Apple’s new operating systems, John and Rambo place their bets as to what Apple might announce during their upcoming “California Streaming” event. Will we see the iPhone 13, an Apple Watch Series 7, or perhaps something brand new?

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Stacktrace Stories September 1

John and Rambo discuss the iOS 15 beta process, the latest round of App Store debates, Swift concurrency backward compatibility, and whether Apple should embrace a more continuous delivery process for new APIs and system features.

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Stacktrace Stories August 25

On this 150th episode of the show, John and Rambo go on a series of accidental deep dives into universal links, how Catalyst and AppKit can be integrated, and more. Also, what does being a technical leader entail, and what’s the current state of Swift Evolution?

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Stacktrace Stories August 18

Prompted by recent rumors around a redesigned Apple Watch, John and Rambo discuss the state of the Watch as a platform, both as users, and from a development perspective. Also, managing an app’s colors, getting started with freelancing, and NSOperations.

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Stacktrace Stories August 11

John’s new iPad development setup, Rambo’s widget layout challenges, and Apple’s (lack of a strong) home device strategy. Also, managing deadlines, maintaining SwiftUI views across multiple system versions, and continuous integration.

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Stacktrace Stories August 4

Rambo’s initial impressions of the Playdate developer tools, John’s process for keeping articles and sample code up to date, Google’s new Tensor chip, and designer/developer collaboration.

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Stacktrace Stories July 28

After an accidental deep dive into Git branching strategies and a discussion about app-wide data models, John and Rambo talk about the recent news that Netflix is getting into gaming, and what that could mean both content-wise and technically.

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Stacktrace Stories July 21

John and Rambo discuss some of the most recent Apple hardware rumors, how they’ve been John and Rambo discuss how they use unit testing to verify their code, and how automatic testing fits into their overall workflows. Also, more details about Rambo’s new app, and strategies for adding new features to existing code bases.

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Stacktrace Stories July 14

John and Rambo discuss some of the most recent Apple hardware rumors, how they’ve been changing their style of programming since the introduction of SwiftUI and Combine, and whether Swift package manifests could one day replace Xcode project files. Also, why does John always call Rambo by his last name?

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Stacktrace Stories July 7

John and Rambo discuss the recent announcement of GitHub Copilot and the implications that such a tool could have on the world of software development. Also, deciding between SwiftUI and UIKit on a component level, and the power of relaxation.

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Stacktrace Stories June 30

It’s the Stacktrace App Store special! What could happen if Apple were to enable sideloading on iOS, and what other changes could Apple make to improve the App Store and its relationship to third-party developers? Also, connecting Combine with async/await, using design tools, alternatives to using analytics SDKs, and much more.

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Stacktrace Stories June 23

John’s new daily writing challenge, Rambo’s continued deep dives into Bluetooth and local networking, and initial impressions of Apple Music Spatial Audio. Also, what might the future of technologies like Objective-C and Combine look like, given this year’s WWDC announcements?

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