Shows
Stacktrace200: “Expectation recalibration”Rambo’s custom implementation of macOS desktop widgets and how they relate to Apple’s new built-in system feature, why the experience of using SwiftUI depends so much on the environment it’s being used in, and a mini-review of the ASUS ROG Ally.LinksApp IntentsBuilding interactive widgetsSwiftDataNSScreencastEpisode number 192: “Sundell Silicon”SteamDeckProtonWWDC video about Apple’s Game porting toolkitASUS ROG Ally2023-07-311h 10Stacktrace198: “WWDC23 Keynote Poker”With the start of WWDC23 just around the corner, John and Rambo share their predictions, hopes, and dreams as to what Apple might introduce during this year’s edition of the conference. It’s Keynote Poker time!LinksSteve Troughton-Smith’s xrOS binary submissionDistributed actors in SwiftJohn on MastodonRambo on Mastodon2023-06-011h 23Stacktrace193: “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.SponsorEssential Developer: Join the iOS Architect Crash Course to accelerate your journey towards becoming a senior developer. It’s 100% free and held entirely online. Sign up today!LinksJohn on MastodonRambo on MastodonMark Gurman’s Power On newsletterUICollectionViewFlowLayoutSwiftUI’s new Layout protocolGeometryReaderUIViewPropertyAnimatorUIScrollViewDelegateUIViewControllerInteractiveTransitioningUIPanGestureRecognizerDeceleration mechanics of UIScrollView2023-01-121h 14Stacktrace192: “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.LinksCollectionConcurrencyKitUnder the Radar episode about optimizing paywallsRambo’s article about using CloudKit for feature flagsCloudflare’s Workers Analytics EngineGrafanaRambo’s “horrible SwiftUI hack”Switching between SwiftUI’s HStack and VStack“How to Build a Gaming PC in 2022” by Austin EvansGamers NexusLinus Tech Tips2022-12-211h 21Stacktrace190: “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.LinksRambo’s 48 MP photosiMazing (disclaimer: former sponsor)2022-10-021h 09Stacktrace189: “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.Since this episode was recorded, Apple have now published the documentation for ActivityKit, which lets us build Live Activities that integrate with the Dynamic Island. You can find that documentation here.2022-09-151h 00Stacktrace188: “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!LinksRambo’s recent appearance on Swift by Sundell2022-08-3142 minStacktrace187: “An endless supply of SwiftUI thoughts”John gains a new “job title”, Rambo starts working on an iOS version of AirBuddy, and the two discuss how come the Apple developer community tends to be so focused on UI frameworks.LinksCore BluetoothAugust Smart Lock ProDistributed actorsSwiftUI and UIKit interoperabilityRambo’s cross-platform UI/NSViewRepresentable solution2022-08-121h 02Stacktrace186: “A relational database using Markdown”John and Rambo share their initial impressions of some of the new APIs that were announced at WWDC22, and talk about managing releases, learning when and how to apply generics, and the launch of the Gigahertz podcast network.LinksSwift by Sundell episode with Natalia PanferovaSwift ChartsType erasure in Swift (before Swift 5.7)John’s article about Swift 5.7’s new generics featuresSwift by Sundell episode with Ben CohenAvoiding SwiftUI’s AnyViewVirtualBuddyGigahertzPublishRambo’s Publish forkRambo’s article about ExtensionKitWeatherKitUINavigationItemWWDC session about the new Focus filters2022-07-141h 29Stacktrace185: “A big ‘finally’ moment”, the WWDC22 keynote reviewJohn and Rambo discuss Apple’s WWDC22 keynote, and share their first impressions of the new features and APIs that were announced.LinksSwift by Sundell episode with Ben CohenThe WWDC22 keynoteThe Talk Show Live From WWDC 2022iA WriterCamo2022-06-161h 37Stacktrace184: “State of anticipation”It’s time for John and Rambo to play another round of Apple Keynote Poker! This time the two place their bets as to what Apple might introduce during the WWDC22 keynote and State of the Union session.LinksWWDC22Mark Gurman’s report about lock screen widgetsSwiftUI’s Table view2022-06-011h 29Stacktrace183: “Let’s just call it MVC”Organizing workspaces and hobby projects, the pros and cons of view models and controllers, and rendering Core Animation layers within SwiftUI view hierarchies.LinksThe Jarvis standing deskThe iOS App Icon BookSwiftUI’s state management systemPublishSwiftUI’s List componentAirBuddy desktop widgets announcement tweetSwiftUI’s accessibilityRepresentation modifierThe recent Swift by Sundell episode with Chris EidhofChibiStudio2022-05-251h 15Stacktrace182: “Are you ready to enter a rabbit hole?”A deep dive into how WidgetKit and SwiftUI’s serialization mechanism works under the hood, why John removed the ads from the Swift by Sundell website, and the discontinuation of the last iPod model.Links5 years of Swift by SundellThe landing page for Rambo’s new Brazilian podcast networkWidgetKitSwiftUIXPCNSSecureCodingNSProxySwift key pathsHopperSwift’s @main attributeConfiguring a widget with an intentNSUserActivityApple’s iPod touch press release2022-05-131h 07Stacktrace179: “An iMac without the Mac”New website, new logo, same show! Rambo shares his initial impressions of using Apple’s new Studio Display, along with some interesting spelunking results. Also, behind the scenes of the show’s new website, and a few web development tips.LinksRSSPublishSweepChrome’s Lighthouse testing suiteStudio DisplayRambo’s new desk setup2022-03-231h 18Stacktrace178: “Let’s try something new”John and Rambo celebrate the show’s 4th birthday with a big announcement, and then talk about security research, project priorities, and how to combine SwiftUI views with protocol-based observable objects.LinksThe first ever episode of the showThe show’s new email: ask@stacktracepodcast.fmRambo’s blog post about his CVESteve Jobs’s joke about iMovie on the App StoreDemo of John’s SwiftUI-based gameModeling loading states using enumsProtocol inheritance/specializationReflection in Swift2022-03-161h 03Stacktrace177: “The stand is included!”John and Rambo share their first impressions of the products announced at Apple’s “Peek Performance” event — including the new iPhone SE and iPad Air, M1 Ultra, Mac Studio and the Studio Display.SponsorsJourney: Get 10% off the new Journey cases for iPhone with code JOURNEY10.Kandji: A modern, cloud-based platform to manage and secure your Mac, iPhone, iPad, and Apple TV devices. Kandji saves IT teams hours of manual work with features like one-click compliance templates and 150+ pre-built automations, apps, and workflows. Request access.LinksApple’s “Peek Performance” eventThe Banker on Apple TV+“There is only...2022-03-091h 09Stacktrace176: “Extra Keynote Poker”On this extra episode of the show, John and Rambo share their bets, hopes and predictions for Apple’s upcoming “Peek Performance” event.SponsorsSentry: Actionable iOS error tracking and performance monitoring. Try Sentry for free today. New users can use the code 'STACKTRACE' during sign-up to get 3 free months of Sentry.Kandji: A modern, cloud-based platform to manage and secure your Mac, iPhone, iPad, and Apple TV devices. Kandji saves IT teams hours of manual work with features like one-click compliance templates and 150+ pre-built automations, apps, and workflows. Request access.LinksUpgradeMac Studio rumors2022-03-061h 19Stacktrace174: “An operating system toolkit”John and Rambo speculate what the SDK for Apple’s rumored AR/VR devices might look like, and what sort of user experiences that we might be able to build using it.SponsorSentry: Actionable iOS error tracking and performance monitoring. Try Sentry for free today. New users can use the code 'STACKTRACE' during sign-up to get 3 free months of Sentry.LinksrealityOS references in Apple’s open source codeSwiftUIARKitRealityKitGoogle CardboardBlenderRambo’s AR article from 2019Reality ComposerQuixelUIKit scenesApple AR/VR headset rendersIKEA Place2022-02-2354 minStacktrace173: “The fabric of space-time”SwiftUI for animations, prototyping, and game development. Plus, a second review of the M1 Max-based MacBook Pro, and an update on how well it performs for gaming.SponsorSentry: Actionable iOS error tracking and performance monitoring. Try Sentry for free today. New users can use the code 'STACKTRACE' during sign-up to get 3 free months of Sentry.LinksRambo’s MacBook Pro specsDivinity: Original Sin 2SpriteKitImagine EngineJohn’s new SwiftUI-based game demoPart of the source code from John’s new gameSwiftUI animationsThe SwiftUI Namespace APICustom SwiftUI view modifiersSwiftUI transactions2022-02-161h 14Stacktrace170: “Welcome to programming”John and Rambo revisit the topic of SwiftUI and UIKit interoperability, and discuss which of the two UI frameworks that’s recommend for beginners to start with. Also, the launch of AirBuddy 2.5, and using phased rollouts when releasing new app versions.LinksSwiftUI and UIKit interoperabilityRambo’s HostingWindowControllerSparklePaddleRambo’s “AirBuddy 2.5 development trivia” Twitter thread2022-01-261h 00Stacktrace169: “Choosing what bugs to ship”Stacktrace is back! On this first episode of 2022, John and Rambo talk about their holidays, using Swift Playgrounds to build apps on the iPad, Mac gaming, and project goals.LinksGastropodRambo’s implementation of the App Library animationInkPlot2022-01-1959 minStacktrace168: “The 2021/2022 New Year’s Eve Special”Join John and Rambo on this special New Year’s Eve episode of Stacktrace, on which they celebrate some of their favorite moments, products, media, and learnings from 2021.SponsorALOGIC: Get 10% off ALOGIC"S new BLAZE Docks & Hubs with code ALOGIC10. Enter the MacBook Pro giveaway.LinksUpgradeRaycastWWDC by Sundell & FriendsDuolingoXbox Game PassPayoneerRambo’s WWDC article about StoreKit 2John’s WWDC article about the new UIButton systemPlot ComponentsThe ExpanseFoundationTruth be ToldTed LassoMetroid DreadThe Forgotten City2021-12-311h 26Stacktrace167: “iPad is now Turing Complete”John and Rambo share their first impressions of the newly released Swift Playgrounds 4, which enables developers to build full iOS apps right on the iPad. Also, the value of narrowly scoped open source libraries, and what it’s like using GitHub CoPilot in practice.LinksGumroadPaddleCloudflare WorkersGitHub CoPilotDiscover Concurrency on Swift by SundellCollectionConcurrencyKitAsyncCompatibilityKitSimplyCoreAudio2021-12-221h 01Stacktrace166: “A little bit of compiler magic”The importance of sleep for both humans and async tasks, transferring apps and Apple developer accounts, and what things John and Rambo carry in their bags at all times.LinksPillow (disclaimer: has sponsored the show in the past)Delaying an async Swift TaskSwift’s closure capturing mechanicsRambo’s new company website2021-12-1551 minStacktrace165: “It’s not the technology, it’s the people”John and Rambo discuss software quality trends, async functions and unit testing, Apple’s approach to private data with CloudKit, and dealing with technical debt.LinksUsing CloudKit for content hosting and feature flagsCloudKit Web ServicesFunctional networking in SwiftRambo roasting his own code on Twitter2021-12-0857 minStacktrace164: “Your wattage may vary”It’s time for the first ever Stacktrace Headphone Holiday Guide! Along with discussions about writing technical articles, view models and the MVVM design pattern, and using Swift actors to solve race conditions and data races.SponsorsShortcut: The project management tool built specifically for software development teams. Start your extended two-month free trial at shortcut.com/sundellPillow: 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.LinksNetNewsWireTiltCloudKit 101Common pitfalls when using Keychain Sharing on iOSSwift actors: How do they...2021-12-011h 25Stacktrace163: “The Rambo Objective-C Manifest”Rambo shares his set of principles for when and how to rewrite existing Objective-C code in Swift, John talks about his preferred workshop formats, and the two discuss the current state of Apple’s services.SponsorPillow: 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.LinksConnecting async/await to other Swift codeSwiftUI and UIKit interoperabilityPeripherynotify_register_dispatchProperty wrappersThe Shrink Next Door on Apple TV+Foundation on Apple TV+2021-11-241h 13Stacktrace162: “Hanging on the cliff for a whole week”John and Rambo discuss asynchronous unit testing, using Windows as a development platform, SwiftUI previews on laptops, and conclude their deep dive into Swift’s concurrency system by talking about actors and structured concurrency.SponsorPillow: 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.LinksUnit testing Swift code that uses async/awaitTest expectations Unit testing in SwiftRaspberry Pi PicoIOKitAudacityActors in SwiftThe MainActor attributeUsing async let to run multiple tasks in parallel2021-11-171h 15Stacktrace161: “One big data transformation engine”Rambo longs to get back to UI development, John releases a new open source project, and the two embark on part one of their deep dive into Swift’s new concurrency system. Also, organizing devices, and mechanical keyboards.SponsorsShortcut: The project management tool built specifically for software development teams. Start your extended two-month free trial at shortcut.com/sundellRevenueCat: RevenueCat makes it easy to build and manage in-app purchases on iOS, Android, and the web. Learn more.LinksSwift by Sundell episode with Christian SeligCollectionConcurrencyKitThe new, concurrent version of PublishAsync sequences and streamsSketchNSXPCConnectionSwift’s con...2021-11-101h 19Stacktrace160: “M1 Macintoshes”John shares his first impressions of the new 14-inch MacBook Pro and how he has been utilizing Swift’s new concurrency features to get the most out of the M1 Max. Also, Rambo’s work with Shortcuts, maintaining SwiftUI-based Mac apps, and much more.SponsorsSurvivor: Protect your iPhone 13 w/ Survivors new MagSafe collection and enter to win the iPhone 13 Pro.RevenueCat: RevenueCat makes it easy to build and manage in-app purchases on iOS, Android, and the web. Learn more.LinksUsing SwiftUI to build internal toolsJohn’s MacBook Pro box tweetSwift’s new concurrenc...2021-11-031h 37Stacktrace159: “A really powerful new toy”After a discussion about Swift generics and when to use them, Rambo shares his initial impressions of using the new iPad mini, and John explains why he’s going back to the Mac for his portable computing needs.SponsorsKandji: A modern, cloud-based platform to manage and secure your Mac, iPhone, iPad, and Apple TV devices. Kandji saves IT teams hours of manual work with features like one-click compliance templates and 150+ pre-built automations, apps, and workflows. Request access.RevenueCat: RevenueCat makes it easy to build and manage in-app purchases on iOS, Android, and the web. Learn more...2021-10-271h 24Stacktrace158: “Double unleashed”The 14 and 16-inch Apple Silicon-based MacBook Pros have finally been revealed, and John and Rambo share their initial impressions of these new products and everything else that Apple announced during their “Unleashed” event.SponsorsKandji: A modern, cloud-based platform to manage and secure your Mac, iPhone, iPad, and Apple TV devices. Kandji saves IT teams hours of manual work with features like one-click compliance templates and 150+ pre-built automations, apps, and workflows. Request access.RevenueCat: RevenueCat makes it easy to build and manage in-app purchases on iOS, Android, and the web. Learn more.Totallee: Get 20% off totallee iPhone...2021-10-201h 33Stacktrace157: “Very close to folding”John and Rambo share their bets, hopes, and predictions for Apple’s upcoming “Unleashed” event. Will we finally see a new, Apple Silicon-powered MacBook Pro, and what other products might make an appearance at the event? Also, SwiftUI backward compatibility, and re-prioritizing projects in preparation for new OS releases.SponsorShortcut: The project management tool built specifically for software development teams. Start your extended two-month free trial at shortcut.com/sundell.LinksPoker scorecardAirBuddyProperty wrappers in SwiftSwiftUI backward compatibilitySwift’s “Library evolution” effort2021-10-131h 07Stacktrace156: “That time complexity problem”John gets back into game development, Rambo builds a custom Bluetooth packet parser for AirBuddy, and the two embark on another technical deep dive — this time into the big topic of performance tuning.LinksImagine EngineJohn’s SwiftUI game demoRambo’s debug app for inspecting BLE advertisementsSynalyze It!Sets in SwiftTime complexityEntity Component System (ECS)cloc2021-10-061h 16Stacktrace155: “Embrace the bump”, the iOS 15 and iPhone 13 Pro reviewWhat it’s been like for John to upgrade from the iPhone X to the iPhone 13 Pro, Rambo’s continued adventures into the depths of Bluetooth LE, and opinions on the final production versions of iOS 15 and iPadOS 15.SponsorsWestern Digital: Get a special deal on the latest My Passport SSDs from WD in select configurations for a limited time. Enter the 9to5Mac and Western Digital M1 iMac giveaway.Incipio: Check out their new MagSafe case for the iPhone 13 lineup with 12ft drop protection and ultra-responsive press fit buttons. Also available to purchase at Verizon.com or...2021-09-291h 22Stacktrace154: “The App Store paradise we all want”After discussing various refactoring strategies and app extensions for iOS apps running on the Mac, John and Rambo dive into the latest App Store news, how Apple TV+ compares to its competitors, and how to switch networking environments within a beta app.LinksNon-optional optionalsThe “Locks and Keys” principleChibi StudioEpic vs Apple rulingThe outcome of the Japan Fair Trade Commission’s recent investigation into the App StoreApple TV+ wins big at the Emmysfastlane2021-09-221h 15Stacktrace153: “California Streaming”John and Rambo share their first impressions of the products announced at Apple’s “California Streaming” event — including the iPhone 13 lineup, the new iPad "Classic" and iPad mini, and the Apple Watch Series 7.SponsoriMazing: Get the Swiss Army Knife of iOS device management for Mac and Windows 30% off for a limited time.LinksCombineJohn’s tip on how to visualize Combine outputApple’s “California Streaming” event videoTed Lasso2021-09-151h 05Stacktrace152: “Ultra Retina Smoothness”After a few brief discussions about distributed systems and preparing code bases for Apple’s new operating systems, John and Rambo place their bets as to what Apple might announce during their upcoming “California Streaming” event. Will we see the iPhone 13, an Apple Watch Series 7, or perhaps something brand new?SponsorDecluttr: Trade-in your iPhone or other device with a 28 day price lock and get an extra 10%* cash back with code 9TO5MAC (*$30 cap).LinksStatusBuddyAirBuddyUINavigationBar’s new scrollEdgeAppearance APIThe UIAppearance proxy API2021-09-081h 04Stacktrace151: “The iOS 15 season”John and Rambo discuss the iOS 15 beta process, the latest round of App Store debates, Swift concurrency backward compatibility, and whether Apple should embrace a more continuous delivery process for new APIs and system features.SponsorThings: The award-winning to-do app for iPhone, iPad, and Mac — now with Markdown support!Linksrambo.codesFilesTestFlight for Mac betaFusionCast TestFlight betaDoug Gregor’s Swift concurrency PRApple’s press release about its App store “updates”“Apple loosens rules for developers in major concession amid antitrust pressure” - The Washington PostThe StatusBuddy code base2021-09-011h 13Stacktrace150: “A secret Catalyst agent”On this 150th episode of the show, John and Rambo go on a series of accidental deep dives into universal links, how Catalyst and AppKit can be integrated, and more. Also, what does being a technical leader entail, and what’s the current state of Swift Evolution?SponsorBaseus: Get a special deal on the new Baseus 10,000mAh portable Mag-Safe charger and power bank with code 9TO5MACBASE.LinksData JarSwift by Sundell episode with Simon StøvringAccessibility audio graphsSwiftUI’s accessibilityRepresentation APIDistributedNotificationCenterNavigation in SwiftShowing view controllers, rather than pushing themDismissing a SwiftUI modal or deta...2021-08-251h 07Stacktrace149: “Apple Watch development chooses you”Prompted by recent rumors around a redesigned Apple Watch, John and Rambo discuss the state of the Watch as a platform, both as users, and from a development perspective. Also, managing an app’s colors, getting started with freelancing, and NSOperations.SponsorsChargeasap: Get a special preorder deal on the new 25,000 mAh Flash Pro Plus portable charger.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.LinksWorking CopySecure ShellFishSwift PlaygroundsDefining dynamic colors in SwiftCARROT WeatherNSOperation/OperationAdvanced NSOperations from WWDC 22021-08-1855 minStacktrace148: “Do you have a plan for Apple?”John’s new iPad development setup, Rambo’s widget layout challenges, and Apple’s (lack of a strong) home device strategy. Also, managing deadlines, maintaining SwiftUI views across multiple system versions, and continuous integration.SponsorPillow: 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.LinksPublishWorking CopySwiftUI layout prioritiesReport: Apple lacks a ‘strong living room hardware strategy,’ still planning HomePod/Apple TV combo for 2023Klipsch The FivesfastlaneBitriseJenkins2021-08-111h 04Stacktrace147: “The logic behind the pixels”Rambo’s initial impressions of the Playdate developer tools, John’s process for keeping articles and sample code up to date, Google’s new Tensor chip, and designer/developer collaboration.SponsorsPillow: 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.Bitrise: Click here to learn more and set up your app's continuous integration and delivery.LinksJohn’s article about Swift’s Result typeRaspberry Pi PicoRaspberry Pi 400Visual Studio CodeCircuitPythonMicroPythonPlaydateLuaGoogle Tensor2021-08-041h 12Stacktrace146: “Another straw on the back of the antitrust camel”After an accidental deep dive into Git branching strategies and a discussion about app-wide data models, John and Rambo talk about the recent news that Netflix is getting into gaming, and what that could mean both content-wise and technically.SponsorPillow: 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.LinksBitriseFeature flags in SwiftBeats Studio BudsAirBuddyNon-optional optionalsManaging objects using Locks and KeysGurman’s report about Netflix getting into video gamesNetflix’s Q2 earnings reportBlack Mirror: BandersnatchCARROT Weather2021-07-281h 18Stacktrace145: “Working code is better than good-looking code”John and Rambo discuss some of the most recent Apple hardware rumors, how they’ve been John and Rambo discuss how they use unit testing to verify their code, and how automatic testing fits into their overall workflows. Also, more details about Rambo’s new app, and strategies for adding new features to existing code bases.SponsorPillow: 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.LinksMazurySwiftUI’s minimumScaleFactor modifierSwiftUI’s blendMode modifierUnit testingSwift Evolution2021-07-211h 18Stacktrace144: “An M1 with some sugar on top”John and Rambo discuss some of the most recent Apple hardware rumors, how they’ve been changing their style of programming since the introduction of SwiftUI and Combine, and whether Swift package manifests could one day replace Xcode project files. Also, why does John always call Rambo by his last name?SponsorALOGIC: Get 20% off the new ALOGIC DX2 and DX3 Docking Stations now for a limited time and enter the MacBook Air giveaway.LinksStatusBuddyRaphael, the designer behind Rambo’s app iconsPublished properties in SwiftThe source code for StatusBuddyMacRumor’s iPhone 13 videoRecent MacBook Pro rumors...2021-07-1457 minStacktrace143: “The biggest ‘it depends’ ever”John and Rambo discuss the recent announcement of GitHub Copilot and the implications that such a tool could have on the world of software development. Also, deciding between SwiftUI and UIKit on a component level, and the power of relaxation.LinksCSS media queriesHow Swift 5.3 enhanced SwiftUI’s DSLHandling loading states within SwiftUI viewsThe recent Swift by Sundell episode with Chris LattnerGitHub CopilotExpress“GitHub Copilot is not infringing your copyright”, by Julia Reda2021-07-071h 04Stacktrace141: “Going to space is more reliable than Bluetooth”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?LinksBrazilian cuisineSwedish “fika”Customizing how an external Swift type is encoded or decodedMultipeerKit“Made for Spatial Audio” on Apple MusicShadow of the Tomb RaiderCreate MLCarbonWhat Swift’s new concurrency features might mean for the future of CombineSwiftUI’s new pull-to-refresh APIiA WriterPublishSplashUlysses2021-06-231h 16Stacktrace140: “I was applauding from my couch”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.LinksWWDC by Sundell & FriendsSwift by Sundell episode with Doug Gregor from AppleGit’s bisect commandAirBuddyShazamKitSharePlayBeta of the unofficial WWDC app with SharePlay supportSwiftUI’s new Table view for macOSSwift’s new AttributedString typeJohn Gruber’s original Markdown specThe MainActor attributeConverting completion handler-based APIs to async/awaitWhat’s new in Xcode 13Joh...2021-06-161h 18Stacktrace139: “macOS Monorail”, the WWDC21 keynote reviewJohn 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.SponsorsCleanMyMac X: CleanMyMac X is the essential decluttering app for Mac. Get 5% off for a limited time.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.LinksAvoiding ‘WWDC stress...2021-06-081h 34Stacktrace138: “WWDC21 Keynote Poker”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.SponsorsiMazing: Stacktrace listeners can download iMazing for 30% off for a limited time.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.LinksNSUbiquitousKeyValueStoreCloudKitCodable’s Property List-based encoding APIWWDC by Sundell & FriendsPublishJohn’s tweet about the upcoming Publish GalleryCombineDocker2021-06-021h 35Stacktrace137: “State of the Union nap”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.SponsorsWALTR 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.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.LinksAirBuddyBonjourMultipeer ConnectivityThe unofficial WWDC app for macOSApple’s Developer appWWDC by Sundell & FriendsThe RSS feed...2021-05-261h 08Stacktrace136: “Cascading Device Sheets”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.SponsorPillow: 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.LinksThe latest progress update on Plot’s CSS featuresApple Music’s new hi-fi features“No one actually needs hi-res Apple Music audio”, by Jason CrossA new MacBook Pro might be coming as soon as this...2021-05-1958 minStacktrace135: “No overview available”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.SponsorsPillow: 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.Kandji: A modern, cloud-based platform for centrally managing and securing your Mac, iPhone, iPad, and Apple TV devices, saving IT teams coun...2021-05-121h 19Stacktrace134: “Overthinking is the enemy of shipping”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.SponsorKandji: 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.Links2021-05-0556 minStacktrace132: “The 'M' stands for 'Marketing'”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.LinksApple’s “Spring Loaded” eventJohn’s iPad external display demo2021-04-211h 15Stacktrace131: “Apple product therapy”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.SponsorsALOGIC: Get 30% off the ALOGIC Rapid USB-C Wall Charger on Amazon [Amazon UK] and enter the iPad Pro giveaway.Linode: Get $100 in free credit to Develop, deploy, and scale your modern applications faster and easier.LinksRambo’s new microphoneJohn’s podcasting equipmentThe Blue Yeti microphoneGoog...2021-04-141h 18Stacktrace130: “A comedian with code”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.SponsorLinode: Get $100 in free credit to Develop, deploy, and scale your modern applications faster and easier.LinksiOS Dev WeeklyModern UICollectionView APIsUICollectionViewFlowLayoutCodableUsing property wrappers to customize CodableCodextendedSwiftSiriAirBuddy BuddiesFanFanThe source code for FanFanImagine Engine’s macOS display link implementationKara Swisher’s interview with Tim CookApp Tracking Tran...2021-04-071h 15Stacktrace129: “Dependencies gone wild”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.SponsorLinode: Get $100 in free credit to Develop, deploy, and scale your modern applications faster and easier.LinksThe unofficial WWDC app for macOSApple’s official Developer appSwiftUI animationsUIView’s animate APIUIKit animation optionsRambo’s animation talk from BA: SwiftableSwift by Sundell Discover: CombineApple’s WWDC21 press releaseRambo’s tweet about Apple’s WWDC announcement artworkXiaomi’s version of AirPow...2021-03-311h 01Stacktrace128: “They backed themselves into a home corner”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.SponsorsLinode: Get $100 in free credit to Develop, deploy, and scale your modern applications faster and easier.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.LinksRambo’s new app: PhotoStaplerPhotoKitThe SwiftUI layout systemCore MLThe DeepLab ML modelTensorFlowBindable SwiftUI list elementsUIAppearanceMark Gurman’s latest repo...2021-03-241h 00Stacktrace126: “Leaving iOS behind”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.SponsorPillow: 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.LinksScrollViewProxyBuilding modern collection viewsNSTableViewNSScrollViewXiaomi Redmi Note 9Fork2021-03-101h 08Stacktrace125: “Build pipelines, not spiderwebs”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.SponsorPillow: 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.LinksOneSkyApple’s XLIFF localization file formatSwift by Sundell episode featuring Eliza Block from AppleCore DataRealmKeychain ServicesSwiftNIO2021-03-031h 07Stacktrace124: “All of that Macness”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.SponsorPillow: 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.LinksChibi Studio’s App ClipHow Rambo built his App ClipApple cracks down on apps with ‘irrationally high prices’Apple March event rumorsDiscover unit testing on Swift by Sundell2021-02-241h 05Stacktrace123: “Swift++”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.LinksObjective-C++“Swifty Objective-C” on the PSPDFKit blogCF_SWIFT_NAMEThe board that Rambo uses for his humidifier hackPodcastMenuObservableObjectRambo’s “You can use SwiftUI today” articleSwift Argument ParserKilled by GoogleSwift for TensorFlowCombining dynamic member lookup with key pathsPublish2021-02-1746 minStacktrace122: “Raised in a hardware household”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.SponsorsFunn Media: Live a healthier life with Funn Media's collection of apps for iPhone, iPad, Mac, and Apple Watch, including Calory, WaterMinder, and more.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 c...2021-02-101h 08Stacktrace121: “Debug-driven development”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.SponsorsGuardian 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.Kandji: A modern, cloud-based platform for centrally managing and...2021-02-031h 05Stacktrace119: “Swift spelunking”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.LinksJohn’s article about accessing a Swift property wrapper’s enclosing instanceThe Swift Evolution proposal for property wrappersBloomberg’s latest reportsNew iMac, Mac Pro, and external monitorNew MacBook ProsFoldable iPhonesThe Power Mac G4 CubeSwift Package ManagerLinking an Xcode target to frameworks and libraries2021-01-2055 minStacktrace118: “The real reality is gone”Rambo goes indie, John realizes once again how important breaks are, and the two discuss the latest rumors around Apple’s AR glasses in great detail, all the way down to the API design level. It’s Stacktrace, after all.LinksRambo’s indie announcementSummary of the latest “Apple Glasses” rumorsMicrosoft HoloLensPessimists ArchiveWidgetKitSiri intents2021-01-1355 minStacktrace117: “The best not-kept secret”On the final holiday special for this year (or, last year?), John and Rambo discuss their expectations for 2021, and what products and new developer tools that they hope to see from Apple during this new year.SponsorMacStadium: Get a cloud hosted M1 Mac mini from $99 or use promo code 9TO5MAC for half off the first two months of a Gen 3 or 4 (Intel) mini. Enter the Mac mini giveaway here.LinksAirTags expectationsSwift Package Manager2021-01-0641 minStacktrace116: “It wasn’t just a big, long nightmare”, the 2020 Stacktrace retrospectiveOn this second Stacktrace holiday special, John and Rambo look back at the past year and what some of the highlights were among the hectic, strange rollercoaster ride that 2020 has been.SponsorMacStadium: Get a cloud hosted M1 Mac mini from $99 or use promo code 9TO5MAC for half off the first two months of a Gen 3 or 4 (Intel) mini. Enter the Mac mini giveaway here.LinksBuilding an App ClipSwiftUIGetting started with WidgetKitSwift by Sundell DiscoverFusionCastAirBuddy2020-12-3036 minStacktrace115: “Not a trace of a stack”On the first ever completely non-technical episode of Stacktrace, John and Rambo answer #askstacktrace questions about everything from local holiday traditions to what their favorite airplanes are.SponsorMacStadium: Get a cloud hosted M1 Mac mini from $99 or use promo code 9TO5MAC for half off the first two months of a Gen 3 or 4 (Intel) mini. Enter the Mac mini giveaway here.LinksChristmas in BrazilChristmas in SwedenChristmas in PolandPanettone“Billie Jean” by Michael Jackson on Apple Music and Spotify“Telegraph Road” by Dire Straits on Apple Music and Spotify2020-12-2330 minStacktrace114: “The invisible Bluetooth wire”An accidental deep dive into how the AirPods’ transparency mode is activated over Bluetooth, the launch of Swift by Sundell 3.0, running macOS code in the cloud, multiple headphone reviews and a comparison between the iPhone 12 Pro and 12 mini.LinksGrand Central DispatchCloudKitBeats FlexSteelseries Arctis 7XSplash2020-12-171h 07Stacktrace112: “The just is justified”On this slightly more code-focused episode of the show, John and Rambo discuss cross-platform SwiftUI development and techniques for integrating SwiftUI with UIKit and AppKit. Also, how the original HomePod can now be jailbroken, using the M1 Mac mini for gaming, and much more.SponsorHoneybadger: Exception and uptime monitoring for application developers. Tell them 9to5Mac/Stacktrace sent you and get 30% off for 6 months.LinksScreenshot of John’s Cloudflare analytics appFusionCastFirst-generation HomePod can now be jailbroken with Checkra1nSwiftUI and UIKit interoperabilityPublished properties in Swift2020-12-021h 06Stacktrace111: “Mini reviews, maximum reviews”John reviews the M1 Mac mini, and Rambo reviews the iPhone 12 mini. Two “mini products” that turn out to be not very mini in terms of performance. What’s it like using an M1 Mac for tasks like iOS development, and does the iPhone 12 mini feel like a proper flagship phone in 2020?SponsorHoneybadger: Exception and uptime monitoring for application developers. Tell them 9to5Mac/Stacktrace sent you and get 30% off for 6 months.LinksFusionCastSwift by Sundell DiscoverGraphQLCloudflare’s GraphQL-based analytics APICombineYouTube video about testing Logic Pro X on the M1 Mac miniM1 Mac workaround...2020-11-251h 25Stacktrace110: “Intel’s Blackberry moment?”Apple’s lower App Store commission, the future of Swift by Sundell, shipping AirBuddy 2, M1 Mac benchmarks, SwiftUI’s potential as a cross-platform technology, and a review of the Xbox Series X. Yes, all of that in one episode — let’s dive in!SponsorHoneybadger: Exception and uptime monitoring for application developers. Tell them 9to5Mac/Stacktrace sent you and get 30% off for 6 months.LinksThe AirBuddy Help CenterApple announces App Store Small Business ProgramiOS 14.3 will suggest third-party apps to users during the iPhone or iPad setup processiOS 14.3 beta includes support for rumored AirTags and third...2020-11-181h 31Stacktrace109: “The Mac Mini stole my heart”, the November 2020 Apple event reviewThe first round of Apple Silicon Macs is finally here, and John and Rambo have lots of thoughts on them. Also, adventures into Multipeer Connectivity and Bluetooth, and mixing development work with design.SponsorsAppfigures: The tools you need to monitor, optimize, and get more downloads. Use code Stack3030 to get 30% off for the next 3 months.CleanMyMac X: Try CleanMyMac X for free & get 30% off to optimize and clean your Mac.Honeybadger: Exception and uptime monitoring for application developers. Tell them 9to5Mac/Stacktrace sent you and get 30% off for 6 months.2020-11-111h 30Stacktrace108: “The future could be next week”, the November 2020 Apple Keynote Poker specialIt’s time for John and Rambo to place their bets on what Apple might announce at their upcoming “One More Thing” event. Will we see the first Apple Silicon-powered Macs, and if so, which ones, and what features will they have? Also, artisanal, hand-crafted JSON from Brazil, and computer-generated CSS from Poland.SponsorsSurvivor: Refined Rugged protection for all iPhone 12 models.Appfigures: The tools you need to monitor, optimize, and get more downloads. Use code Stack3030 to get 30% off for the next 3 months.LinksJohn’s CSS generation experimentFunction buildersPhantom typesThe builder pat...2020-11-041h 08Stacktrace107: “Context is key”The story and implementation behind Swift by Sundell Discover, how and why AirBuddy 2 will have an onboarding process, thoughts and comments on the new Apple Silicon-powered iMac rumors, home screen customization hacks, and a deep dive into balancing code-level details with shipping great products.SponsorsHoneybadger: Exception and uptime monitoring for application developers. Tell them 9to5Mac/Stacktrace sent you and get 30% off for 6 months.Incipio: Get 20% off cases for all iPhone 12 models with exclusive code: STACKTRACE.totallee: Get 25% off totallee's iPhone 12 cases for a limited time with code PODCAST.LinksSwift by Sundell Discov...2020-10-281h 30Stacktrace106: “Do you buy your HomePods in bulk?”The success of the AirBuddy 2 pre-orders is immediately followed by a classic Rambo shopping spree, John continues to explore Swift’s function builders feature, and the two discuss the initial reviews of the iPhone 12 and 12 Pro, the new HomePod home theatre mode, and how their names are actually pronounced.SponsorHoneybadger: Exception and uptime monitoring for application developers. Tell them 9to5Mac/Stacktrace sent you and get 30% off for 6 months.LinksAirBuddy 2TechCrunch’s coverage of AirBuddy 2Swift’s function builders featurePlotJohn’s experiment with adding a Component API to PlotWWDC by Sundell & FriendsThe upcoming...2020-10-2158 minStacktrace105: “An old man yelling at an iCloud”, the October 2020 Apple event reviewOn this extra long episode of Stacktrace, John and Rambo discuss all of the exciting new announcements from Apple’s October 2020 event, including the new iPhones, the new HomePod Mini, and more. Also, John is building a major new feature for his website and Rambo launches the pre-orders for AirBuddy 2.SponsorsAppfigures: : The tools you need to monitor, optimize, and get more downloads. Use code Stack3030 to get 30% off for the next 3 months.Honeybadger: Exception and uptime monitoring for application developers. Tell them 9to5Mac/Stacktrace sent you and get 30% off for 6 months...2020-10-141h 25Stacktrace104: “Did it smell like an Apple product?”Building and using iOS widgets, the community’s adoption of SwiftUI, an update on whether game streaming services are now viable on iOS, multiple ways of using view models, and Swift’s new Windows compatibility.SponsorsHoneybadger: Exception and uptime monitoring for application developers. Tell them 9to5Mac/Stacktrace sent you and get 30% off for 6 months.RavPower: Get the new RAVPower 65W 4-Port Desktop USB-C Charging Station for $39 (Reg $59) with code 9TO5MACRP.LinksKeynote Poker scorecardGetting started with WidgetKitJohn’s experimental Swift by Sundell widgetThe Keychron K2xcode-switchTool for creating Xcode playgrounds2020-10-071h 02Stacktrace101: “The iPad Prosumer”It’s Apple event analysis time! John and Rambo discuss all of the major announcements from Apple’s “Time Flies” event — including the Apple Watch Series 6 and SE, the new iPads, and of course, the surprise release of iOS 14.SponsorDEVONthink: Manage your documents the smart way on Mac and iOS. Get 10% off with code 9to5mac-2020.Linkstry! Swift WorldRambo’s Milkshakr repoDiagramsLogic controllersView modelsJohn’s Twitter game development diaryApple "Time Flies" event video2020-09-161h 18Stacktrace100: “It was all planned”On this special 100th episode of the show, John and Rambo reflect on their personal milestones since episode one, and play another round of Apple Keynote Poker in preparation for next week’s Apple event.LinksKeynote Poker scorecardRambo’s article about creating configurable macOS widgetsHow John typically structures model data in SwiftYour Calendrical Fallacy Is...Apple Watch blood oxygen detection articleRambo’s original report on AirTagsPublishAirBuddy2020-09-091h 10Stacktrace99: “Untangle some spaghetti”Behind the scenes of building an App Clip, progressive disclosure when designing UIs, Rambo's struggles with App Translocation on macOS, and speculation around what Apple might have in store for us this fall.LinksiOS 13.7Bloomberg’s report on Apple’s plans for the fallRambo’s article about building an App ClipChibiStudio on TestFlight2020-09-021h 07Stacktrace98: “A chip volcano”A deep dive into syncing systems and what goes into writing code for synchronizing user data using tools like CloudKit, a look under the hood of what AirPower could’ve been, and your regular weekly updates from John and Rambo.SponsorALOGIC: Get the 10-in-1 Super Dock 50% off retail on Indiegogo for a limited time. Enter the MacBook Air giveaway.LinksThe Fibonacci sequenceSign up for the AirBuddy 2 betaRambo's Twitter thread about his feedback systemAirPower prototype teardownCloudKit 101The WWDC app’s CloudKit implementationPawNativeConnectAppstat2020-08-261h 01Stacktrace95: “We’re not lawyers”What differentiates server-side and client-side development, Tim Cook’s testimony in front of the US Congress, the new iMac, Rambo’s secret new project, and more on John’s not-so-secret use of SwiftUI to build games.SponsoriMazing: Get 30% off iMazing, the most popular all-purpose iPhone and iPad manager for Mac and PC.LinksImagine EngineRambo makes the Taptic Engine play musicUIView’s point conversion APIJohn’s SwiftUI layout guideThe Talk Show episode about the recent Congress hearingThe iMac updatesCloudflare Workers2020-08-051h 15Stacktrace93: “Life is not paper”Rambo shuts down two of his projects and battles Dark Mode on macOS, John re-evaluates his goals and work priorities, and the two discuss the big Twitter hack, engineering management, and whether Apple has changed their strategy around when to ship new features.LinksThe Sharecuts archiveSplashJohn’s SwiftUI game hack2020-07-2257 minStacktrace92: “App Store review lawyer”After an accidental deep dive into SwiftUI, John and Rambo discuss the recent issues with Facebook’s iOS SDK and whether Apple should force developers to adopt more platform features. Then, this episode’s actual deep dive, into backend-driven UIs.LinksImagine engineJohns gameStandford CS193PCompression frameworkRambo is quoted by the BBCA Moment of Clarity Regarding the Raison d’Etre for the App StoreSpotify's deprecated Hub framework2020-07-151h 08Stacktrace91: “Just check the checkbox”After a bit of speculation as to whether or not Apple will ship this year’s iPhone without a charger, John and Rambo go on a deep dive into SwiftUI state management, and discuss various approaches for sharing code between an app and an extension.LinksWWDC by Sundell & FriendsKuo: Apple will not include earbuds or charger in iPhone 12 boxA guide to SwiftUI’s state management system2020-07-081h 08Stacktrace90: “Adaptive lightning”The macOS Big Sur redesign doesn’t mean the end of the world, right? Or does it? John and Rambo discuss the reveal of Apple Silicon, macOS 11, iOS apps coming to the Mac, and much more — all during a recording session stretched out over two days in the middle of a Brazilian lightning storm.LinksWWDC by Sundell & FriendsJohn’s SwiftUI app prototypeSwift by Sundell episode with Josh Shaffer and Eliza Block“Bring keyboard and mouse gaming to iPad” from WWDC202020-07-021h 07Stacktrace89: “Did you wash your hands?”, a WWDC 2020 specialOn this WWDC20 special, John and Rambo start diving into the main announcements from Apple’s conference, focusing on iOS, App Clips, Widgets, Siri, Maps, watchOS, AirPods and iPadOS.SponsorMacStadium: Get 50% off the first six months of a Mac mini subscription with code WWDC2020.LinksWWDC by Sundell & Friends2020-06-241h 36StacktraceWWDC by Sundell & Friends #1: Keynote and Platforms State of the Union first impressionsJohn and Gui Rambo share their first impressions of Apple’s WWDC20 opening keynote, as well as the Platforms State of the Union session. This is the WWDC by Sundell & Friends podcast, subscribe to our daily show on the website.Did Apple’s first ever online keynote live up to our expectations, which of the announcements were the most exciting, and what technologies are we looking forward to dive deeper into during the week? Those are just some of the questions that we’ll discuss on this first episode of the WWDC by Sundell & Friends podcast.2020-06-1823 minStacktrace88: “WWDC20 Keynote Poker”, with special guests Ellen Shapiro and Kaya ThomasOn this special episode of the show, John and Rambo are joined by Ellen Shapiro and Kaya Thomas for the grand WWDC20 Keynote Poker game. Bets, speculations, and discussions around what Apple might release next week at the 2020 edition of WWDC.LinksPoker scorecardApollo GraphQLWe Read TooEpisode 77Kaya’s “Meet the developer” interview with AppleRambo’s WWDC20 wishlist2020-06-171h 17Stacktrace87: “An ARM and a leg”A deep dive into the iOS background operations model and how it could potentially be improved, rumors about both ARM Macs and a new iMac design being unveiled at WWDC20, and a discussion around designing custom systems for apps. That, and your regular updates from both John and Rambo, on this week’s episode of Stacktrace.Links
Watch Time episode with Ish ShaBazz
ChibiStudio
WWDC by Sundell
Bloomberg’s report about ARM Macs being announced at WWDC
Rumor about a redesigned iMac being announced at WWDC
How the Australian COVID-19 contact tracing app is reminding its user...2020-06-101h 17Stacktrace85: “Magnetic mumbo jumbo”What could an iPhone without any ports look like, and is it likely that Apple would ever adopt USB-C for the iPhone? Also, Mac development, using multiple programming languages, sharing utilities between projects, and much more.SponsorZeroSSL: A new, completely free and trusted certificate authority and SSL Platform, aiming to make it easy and extremely affordable to create SSL certificates.Try ZeroSSL today for free.LinksASCIIwwdcThe WWDC Mac appRambo’s macOS-style emoji picker for iPadOSJohn’s first and second “micro podcast”“A fully wireless iPhone is more likely than a Smart Connector”NSView’s isFli...2020-05-271h 17Stacktrace84: “We traversed the whole responder chain”This week, John and Rambo go on a deep dive into the responder chain and how UI events are propagated on Apple’s platforms. Also, SwiftUI vs Catalyst, Apple’s mysterious new QR codes for AR, and a visit to the Sundell R&D division.SponsorsBitrise: iOS Continuous Integration and Delivery for building better applications, faster. Sign up for free and learn more here.Clubhouse: The collaborative home for modern software teams.LinksApple’s custom QR codes for ARRambo’s AR article on WWDC by SundellThe responder chainUsing the responder chain for error ha...2020-05-201h 12Stacktrace83: “When you link a framework...”The recent Facebook SDK crashing incident leads John and Rambo into a deep-dive on third party SDKs and various ways to handle them. Also, new thoughts and details on the rumored AirPods Studio headphones, how writing about a topic can make you re-examine your opinions on it, and the launch of FusionCast.SponsorBitrise: iOS Continuous Integration and Delivery for building better applications, faster. Sign up for free and learn more here.LinksJohn’s “Propagating user-facing errors in Swift” articleFusionCastRaphael Lopes on DribbbleBloomberg’s report on AirPods Studio9to5Mac’s report on AirPods St...2020-05-131h 07Stacktrace82: “The Ministry of iOS Development”John automates the deployment of his website, which just celebrated its third birthday (or is it “anniversary”?), Rambo is about to launch a new app, and the two go on a deep dive into the iOS 13.5 beta and Apple + Google’s “Exposure notification” system for tracking the spread of COVID-19.SponsorBitrise: iOS Continuous Integration and Delivery for building better applications, faster. Sign up for free and learn more here.LinksThe Publish DeploymentMethod APIApple updates the 13-inch MacBook ProApple and Google’s COVID-19 tracing system2020-05-061h 00Stacktrace81: “A good old fashioned roadmap”John and Rambo return to the topic of app architecture, this time to discuss how to build scalable code bases using the MVC design pattern, and also talk about what Apple’s pro-level apps (including Xcode) might look like if ported to the iPad.SponsorDisco Elysium: An award-winning and groundbreaking role-playing game, now available on Mac. Get 25% off until May 1 on Steam.LinksJohn’s new video about Controllers in MVCHypervisorParker Ortolani’s “Xcode for iPad” conceptGit’s bisect feature2020-04-291h 09Stacktrace80: “You versus the magnets”John writes Javascript encryption code and reviews Apple’s new Magic Keyboard for the iPad Pro, Rambo reveals an exclusive new AirBuddy feature coming in version 2.0, and the two talk about the new iPhone SE, Apple’s upcoming remote accessibility event, and much more.LinksCloudflare workersWeb CryptoWatPublishAirBuddyReinstalling macOS using Internet RecoveryThe new iPhone SEApple’s accessibility event invitationThe iPad Pro Magic Keyboard2020-04-221h 11