Rambo launches a new app, John has thoughts about SwiftUI’s heavy usage of Swift’s type system, and it turns out that there might be more to the HomePod mini than meets the eye.

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• Rambo’s new app: PhotoStapler
• PhotoKit
• The SwiftUI layout system
• Core ML
• The DeepLab ML model
• TensorFlow
• Bindable SwiftUI list elements
• UIAppearance
• Mark Gurman’s latest report about the HomePod mini

Optimizing the performance of SwiftUI views, mixing client work with indie development, Apple’s recent discontinuation of the original HomePod, and what it takes to provide really good feedback and bug reports when testing an app.

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• Picking between a computed property and a method
• Lazy properties
• StateObject
• Instruments
• TechCrunch’s article about the HomePod discontinuation
• Michael Kukielka’s tweet about HomePod shipping with an older iOS version
• AirPort Express

Rambo picks up Android development, John is continuing to turn into a Mac developer, and the two discuss the recent discontinuation of the iMac Pro and how developers can improve the way they communicate with other team members.

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• ScrollViewProxy
• Building modern collection views
• NSTableView
• NSScrollView
• Xiaomi Redmi Note 9
• Fork

Localizing an indie app, the stability of SwiftUI previews, various ways of storing and handling app data, and whether Apple might be building a general-purpose cloud computing platform.

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• OneSky
• Apple’s XLIFF localization file format
• Swift by Sundell episode featuring Eliza Block from Apple
• Core Data
• Realm
• Keychain Services
• SwiftNIO

App Clip analytics, building macOS apps using SwiftUI, Apple’s initial response to the latest App Store scams, speculation about what a potential Apple March event might include, and getting started with unit testing.

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• Chibi Studio’s App Clip
• How Rambo built his App Clip
• Apple cracks down on apps with ‘irrationally high prices’
• Apple March event rumors
• Discover unit testing on Swift by Sundell

After a deep dive into various ways of making Swift interact with C++ code, as well as the latest AirBuddy and humidifier hack updates, John and Rambo discuss the recent discontinuation of Swift for TensorFlow, and whether open sourcing commercial projects is a good idea.

• Objective-C++
• “Swifty Objective-C” on the PSPDFKit blog
• CF_SWIFT_NAME
• The board that Rambo uses for his humidifier hack
• PodcastMenu
• ObservableObject
• Rambo’s “You can use SwiftUI today” article
• Swift Argument Parser
• Killed by Google
• Swift for TensorFlow
• Combining dynamic member lookup with key paths
• Publish

Rambo hacks a humidifier, John is excited about linting and continuous integration, and the two discuss the most recent set of exposed App Store scams and what Apple could do to improve the situation. Also, SwiftUI jobs and minimum deployment targets.

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• Raspberry Pi Zero W
• Arduino
• Bitrise
• SwiftLint
• SwiftLint’s “File Name” rule
• The recent set of exposed App Store scams
• FlickType

John and Rambo discuss some of the key new features that are being introduced in iOS 14.5 and Xcode 12.5, as well as their preferred debugging workflows, and how to deal with tech debt and refactoring in a pragmatic and sustainable way.

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• John’s SwiftUI articles
• Avoiding SwiftUI’s AnyView
• Emitting custom compiler warnings
• SwiftLint
• Apple’s Core ML Models
• An overview of what’s new in iOS 14.5
• Xcode 12.5 beta release notes

The joy of writing apps using SwiftUI and modern UIKit, a review of the AirPods Max, will FaceID come to the iMac anytime soon, and what sort of things are good to consider when working with third party SDKs and frameworks?

• Building modern collection views
• How SwiftUI can now be used to build entire iOS apps
• Mark Gurman’s latest report on new Macs
• Using Swift compiler directives

John and Rambo react to the latest Mac and iPhone rumors, design a new feature for AirBuddy, talk about Swift Evolution and not-quite-public language features, and discuss various ways of using frameworks and libraries on Apple’s platforms.

• John’s article about accessing a Swift property wrapper’s enclosing instance
• The Swift Evolution proposal for property wrappers
• Bloomberg’s latest reports
  • New iMac, Mac Pro, and external monitor
  • New MacBook Pros
  • Foldable iPhones
  • The Power Mac G4 Cube
  • Swift Package Manager
  • Linking an Xcode target to frameworks and libraries