Stacktrace

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?

• Brazilian cuisine
• Swedish “fika”
• Customizing how an external Swift type is encoded or decoded
• MultipeerKit
• “Made for Spatial Audio” on Apple Music
• Shadow of the Tomb Raider
• Create ML
• Carbon
• What Swift’s new concurrency features might mean for the future of Combine
• SwiftUI’s new pull-to-refresh API
• iA Writer
• Publish
• Splash
• Ulysses

John and Rambo dive much deeper into some of the key new APIs and system features that were announced at WWDC21, including SharePlay, ShazamKit, Swift’s new concurrency system, and what’s new in Xcode 13. Also, debugging low-level crashes, and tips for getting started with app development.

• WWDC by Sundell & Friends
• Swift by Sundell episode with Doug Gregor from Apple
• Git’s bisect command
• AirBuddy
• ShazamKit
• SharePlay
• Beta of the unofficial WWDC app with SharePlay support
• SwiftUI’s new Table view for macOS
• Swift’s new AttributedString type
• John Gruber’s original Markdown spec
• The MainActor attribute
• Converting completion handler-based APIs to async/await
• What’s new in Xcode 13
• John’s package collection on the Swift Package Index
• Xcode Cloud
• Buddybuild
• Bitrise
• Stanford University’s iOS development course
• 100 days of Swift
• Swift Playgrounds
• Sean Allen’s YouTube channel

John and Rambo discuss some of the major new announcements from Apple’s WWDC21 keynote, and how they might impact developers building apps for Apple’s platforms.

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• Avoiding ‘WWDC stress’
• Swift by Sundell episode with Sean Allen
• AVPlayer
• Apple’s “Made for Spatial Audio” playlist

It’s time for another game of Stacktrace Keynote Poker! This time, John and Rambo place their bets on what Apple might announce at WWDC21, either during the main keynote, or as part of the more developer-focused State of the Union.

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• NSUbiquitousKeyValueStore
• CloudKit
• Codable’s Property List-based encoding API
• WWDC by Sundell & Friends
• Publish
• John’s tweet about the upcoming Publish Gallery
• Combine
• Docker

WWDC preparations, the challenge of building features that rely on wireless communication between devices, Apple’s latest accessibility announcements, and another semi-deep dive into Swift’s Result Builders feature.

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• AirBuddy
• Bonjour
• Multipeer Connectivity
• The unofficial WWDC app for macOS
• Apple’s Developer app
• WWDC by Sundell & Friends
• The RSS feed for WWDC by Sundell & Friends
• NetNewsWire
• iA Writer
• Apple’s accessibility press release
• Dark Noise
• UINavigationBar
• Result builders
• Plot’s ComponentBuilder
• John’s write-JavaScript-in-Swift experiment

After narrowly avoiding an accidental web development deep dive, John and Rambo discuss the challenges of open source maintenance, AirBuddy’s upcoming battery notifications feature, the latest Mac-related rumors, and the new Apple Music hi-fi update.

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• The latest progress update on Plot’s CSS features
• Apple Music’s new hi-fi features
• “No one actually needs hi-res Apple Music audio”, by Jason Cross
• A new MacBook Pro might be coming as soon as this summer
• Apple is apparently preparing a revamped MacBook Air with M1 successor
• A 40-core Mac Pro with Apple Silicon, plus a high-end Mac mini, are rumored to be in development

John and Rambo go on a deep dive into Plot’s new SwiftUI-like API for building HTML pages, and discuss 3D printing, API evolution and documentation, whether Apple ever considered letting third party developers ship apps outside of the iOS App Store, and how to pick what projects to pursue.

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• Rambo’s 3D printer
• Thingiverse
• 3D printed case for attaching an AirTag to the Apple TV remote
• Plot
• Publish’s Foundation theme
• Swift’s Result Builders feature
• “How I hacked the Apple AirTags”, by stacksmashing
• “Epic and Apple are now fighting over a naked banana” on The Verge
• Apple’s document about third party iOS apps, shared by Steve Troughton-Smith on Twitter
• Go
• Rust
• Haskell

After checking in on the progress of Rambo HQ 2.0 and a visit to John’s Static Site Generation Corner, John and Rambo briefly discuss the ongoing trial between Apple and Epic Games, and then dive into topics like project planning and how to pick what server-side framework to use for a new project.

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• The Thread network protocol
• Plot
• Preview of Plot’s new Component-based API
• John’s chart of article word counts
• Node.js
• Vapor
• GraphQL
• Cloudflare Workers

Organizing Combine-based code, the security of smart home devices, whether the Apple TV is gaining eARC support, and how to use compiler directives and launch arguments to customize an app at both compile time and runtime.

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• Combine
• John’s 2017 conference talk “Everyone is an API designer”
• August Smart Lock Pro
• Apple TV might be getting eARC support
• Using compiler directives in Swift
• Launch arguments in Swift

John and Rambo discuss all of the major announcements from Apple’s “Spring Loaded” event, including the new iMac, AirTags, the M1-powered iPad Pro, and the updated Apple TV. Also, the key factors that can help make a code base easier to navigate, and the benefits of going all-in on HomeKit.

• Apple’s “Spring Loaded” event
• John’s iPad external display demo