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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.

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.

More from Stacktrace

  1. 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.

  2. 12 Jan 2023 · 1 hr 15 min

    193: “Build your own Mac”

    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.

  3. 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.

  4. 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.

  5. 15 Sep 2022 · 1 hr 1 min

    189: “The UI equivalent of a singleton”

    John and Rambo discuss three of the key announcements that Apple made during their “Far Out” event — the Apple Watch Ultra, the new AirPods Pro, and the iPhone 14 Pro.

  6. 31 Aug 2022 · 43 min

    188: “The least risky of the risky ones”

    With Apple’s upcoming “Far Out” event just around the corner, John and Rambo share their predictions as to what new devices, services and features that might be announced. It’s Apple Keynote Poker time!

  7. 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.

  8. 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.

  9. 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.

  10. 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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