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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.

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.

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.

John builds a cross-platform UI framework in Rust, and Rambo uses the macOS virtualization system to create a virtual iPhone.

Using Android as an iOS user, and the state of Swift Package Manager, including how it could become a more full-featured orchestration tool for Xcode projects.