Episode notes
Thoughts on the most recent Mac Pro rumors, building custom layouts for SwiftUI views in a backward-compatible manner, and the mechanics of making a UI interaction feel responsive and fluid.
Stacktrace
by John Sundell and Gui Rambo · English · Tech & Science
A podcast about life and technology from two developers’ perspectives. With John Sundell and Gui Rambo.
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24 Apr 2023 · 1 hr 16 min
196: “That new Mac smell”
Integrating AI-powered features into an iOS app, using high refresh rate monitors with a Mac, the advantages of simple abstractions, and how the M1 and M2 Max compare in terms of Xcode work.
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13 Mar 2023 · 1 hr 25 min
195: “The Swift historian”
John and Rambo celebrate the 5-year anniversary of the show by looking back at how their work and the technology they use have changed since the beginning of the show. Also, how might things change during the next 5 years, specifically when it comes to machine learning, AR, and the openness of Apple’s platforms?
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16 Feb 2023 · 1 hr 19 min
194: “Definitely not called a puppy”
How game controllers communicate with a Mac, handling asynchronous data and actions in SwiftUI, and various ways to use view models within a code base.
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21 Dec 2022 · 1 hr 22 min
192: “Sundell Silicon”
Building computers, running A/B tests as an indie developer, using UIKit as a layout tool for SwiftUI views, and deciding whether to use Core Data or a more simple on-disk data storage solution.
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24 Nov 2022 · 53 min
191: “Back to the future”
Building custom collection view layouts, introducing new features into a legacy code base, and managing patch releases while also working on a major new version of an app at the same time.
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2 Oct 2022 · 1 hr 9 min
190: “Actual trips to the Dynamic Island“
John’s got the new AirPods Pro, Rambo’s got the iPhone 14 Pro, so the two share their initial impressions of using these new devices and how features like Dynamic Island and Adaptive Transparency work in day-to-day use.
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6 Oct 2026 · 51 minNew
211: “It’s not analytics, it’s telemetry”
John and Rambo discuss various ways of implementing logging, telemetry, and analytics within a project, and how to decide when and how to bring in a third party dependency.
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25 Aug 2026 · 1 hr 13 min
210: ”Just bytes in a pipe”
John and Rambo revisit the topic of closures and how their use has evolved since Objective-C’s blocks, and then go on a behind-the-scenes deep dive into AirBuddy 3.
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31 Jul 2026 · 48 min
209: “False positives or positive negatives”
John and Rambo discuss the pros and cons of using AI assistants and agents in the context of open source, as well as how unit testing has evolved on Apple’s platforms during the last few years, with the introduction of tools such as Swift Testing.
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22 Jun 2026 · 1 hr 7 min
208: “You are the compiler”
John and Rambo discuss some of the new APIs and technologies introduced at WWDC26, including new Swift features, and changes to frameworks like AppKit and FoundationModels. Also, the state of Swift 6, and WWDC video watching strategies.
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