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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. Sponsored by CleanMyMac X: CleanMyMac X is the essential decluttering app for Mac. Get 5% off for a limited time. Sponsored by MacStadium: MacStadium is the leading provider of enterprise-class cloud solutions for Mac and iOS app development. Whether you need a Mac cloud for large-scale CI/CD or a single Mac mini to test your iOS app, MacStadium has a solution for all your Mac development needs. Download MP3 Poker scorecard Review our bets from last week's poker game in the score card. Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links Avoiding ‘WWDC stress’ Swift by Sundell episode with Sean Allen AVPlayer Apple’s “Made for Spatial Audio” playlist Subscribe:

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. Sponsored by iMazing: Stacktrace listeners can download iMazing for 30% off for a limited time. Sponsored by Keep Going: A new book from indie developer Bardi Golriz on how to create award-winning apps in 12 months. Use code "rambo" for $10 off. Download MP3 Poker scorecard Play along with this episode’s poker game by filling in the score card and sharing it on Twitter. Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links NSUbiquitousKeyValueStore CloudKit Codable’s Property List-based encoding API WWDC by Sundell & Friends Publish John’s tweet about the upcoming Publish Gallery Combine Docker Subscribe:

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. Sponsored by WALTR PRO for Mac: Make it easy to transfer virtually any file (in any format) to your iPhone, iPad, iPod and now, HomePod. Get 30% off now. Sponsored by Pillow: Pillow is an all-in-one sleep tracking solution to help you get a better night’s sleep. Download it from the App Store today. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links 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 Subscribe:

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. Sponsored by Pillow: Pillow is an all-in-one sleep tracking solution to help you get a better night’s sleep. Download it from the App Store today. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links 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 Subscribe:

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. Sponsored by Pillow: Pillow is an all-in-one sleep tracking solution to help you get a better night’s sleep. Download it from the App Store today. Sponsored by Kandji: A modern, cloud-based platform for centrally managing and securing your Mac, iPhone, iPad, and Apple TV devices, saving IT teams countless hours of manual work with features like one-click compliance templates and 150+ pre-built automations, apps, and workflows. Request access. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links 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 sta

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. Sponsored by Kandji: A modern, cloud-based platform for centrally managing and securing your Mac, iPhone, iPad, and Apple TV devices, saving IT teams countless hours of manual work with features like one-click compliance templates and 150+ pre-built automations, apps, and workflows. Request access. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links 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 Subscribe:

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. Sponsored by tomtoc: Shop the new PadFolio for iPad and get 20% off from tomtoc. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links 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 Subscribe:

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. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Publish Annotating properties with result builder attributes Links Apple’s “Spring Loaded” event John’s iPad external display demo Subscribe:

It’s finally time for another round of Apple Event Keynote Poker, with John and Rambo placing their bets as to what Apple might announce during their “Spring Loaded” event on April 20th. Also, the power of HTTP, SwiftUI for AR, Swift’s Result Builders feature, and more. Sponsored by ALOGIC: Get 30% off the ALOGIC Rapid USB-C Wall Charger on Amazon [Amazon UK] and enter the iPad Pro giveaway. Sponsored by Linode: Get $100 in free credit to Develop, deploy, and scale your modern applications faster and easier. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Poker scorecard Play along with this episode’s poker game by filling in the score card and sharing it on Twitter or via email. Links Rambo’s new microphone John’s podcasting equipment The Blue Yeti microphone Google Cloud Firebase HTTP URLSession curl Paw Protobuf Dave DeLong’s series on HTTP in Swift Managing URLs and endpoints in Swift Result builders Publish Annotating properties with result builder attributes Subscribe:

John and Rambo talk about Kara Swisher’s recent interview with Tim Cook, Apple’s upcoming App Tracking Transparency initiative and the new additions to Apple Arcade, and classic vs modern UIKit. Also, behind the scenes of this year’s April Fools’ jokes, and a somewhat unique #askStacktrace segment. Sponsored by Linode: Get $100 in free credit to Develop, deploy, and scale your modern applications faster and easier. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links iOS Dev Weekly Modern UICollectionView APIs UICollectionViewFlowLayout Codable Using property wrappers to customize Codable Codextended SwiftSiri AirBuddy Buddies FanFan The source code for FanFan Imagine Engine’s macOS display link implementation Kara Swisher’s interview with Tim Cook App Tracking Transparency Apple Arcade’s recent expansion Subscribe:

John is excited about SwiftUI animations, Rambo updates the unofficial WWDC app, Xiaomi resurrects AirPower, and Apple announces WWDC21. Also, the latest Apple TV rumors, and what’s good to keep in mind when hosting a Hackathon. Sponsored by Linode: Get $100 in free credit to Develop, deploy, and scale your modern applications faster and easier. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links The unofficial WWDC app for macOS Apple’s official Developer app SwiftUI animations UIView’s animate API UIKit animation options Rambo’s animation talk from BA: Swiftable Swift by Sundell Discover: Combine Apple’s WWDC21 press release Rambo’s tweet about Apple’s WWDC announcement artwork Xiaomi’s version of AirPower Report on the new Apple TV remote Subscribe:

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. Sponsored by Linode: Get $100 in free credit to Develop, deploy, and scale your modern applications faster and easier. Sponsored by Pillow: Pillow is an all-in-one sleep tracking solution to help you get a better night’s sleep. Download it from the App Store today. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links 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 Subscribe:

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. Sponsored by VMware Workspace ONE: A true Unified Endpoint Management platform that manages all device types on all platforms across all use cases, including macOS and iOS. Try for free. Sponsored by Pillow: Pillow is an all-in-one sleep tracking solution to help you get a better night’s sleep. Download it from the App Store today. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links 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 Subscribe:

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. Sponsored by Pillow: Pillow is an all-in-one sleep tracking solution to help you get a better night’s sleep. Download it from the App Store today. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links ScrollViewProxy Building modern collection views NSTableView NSScrollView Xiaomi Redmi Note 9 Fork Subscribe:

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. Sponsored by Pillow: Pillow is an all-in-one sleep tracking solution to help you get a better night’s sleep. Download it from the App Store today. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links OneSky Apple’s XLIFF localization file format Swift by Sundell episode featuring Eliza Block from Apple Core Data Realm Keychain Services SwiftNIO Subscribe:

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. Sponsored by Pillow: Pillow is an all-in-one sleep tracking solution to help you get a better night’s sleep. Download it from the App Store today. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links 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 Subscribe:

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. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links 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 Subscribe:

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. Sponsored by Funn Media: Live a healthier life with Funn Media's collection of apps for iPhone, iPad, Mac, and Apple Watch, including Calory, WaterMinder, and more.  Sponsored by Kandji: A modern, cloud-based platform for centrally managing and securing your Mac, iPhone, iPad, and Apple TV devices, saving IT teams countless hours of manual work with features like one-click compliance templates and 150+ pre-built automations, apps, and workflows. Request access. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links Raspberry Pi Zero W Arduino Bitrise SwiftLint SwiftLint’s “File Name” rule The recent set of exposed App Store scams FlickType Subscribe:

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. Sponsored by Guardian Firewall: Advanced security and privacy control for your iPhone and iPad, powered by the team who spent years reverse-engineering iOS to help you take back control. Download the app to receive 3 days free with zero commitment or $10 off Guardian Pro at www.guardianapp.com/stacktrace. Sponsored by Kandji: A modern, cloud-based platform for centrally managing and securing your Mac, iPhone, iPad, and Apple TV devices, saving IT teams countless hours of manual work with features like one-click compliance templates and 150+ pre-built automations, apps, and workflows. Request access. Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links John’s SwiftUI articles Avoiding SwiftUI’s AnyView Emitting custom compiler warnings SwiftLi

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? Download MP3 Hosts: Gui on Twitter: @_inside John on Twitter: @johnsundell Links 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 Subscribe: