Stacktrace

Stacktrace is back! John and Rambo check their hype levels for WWDC24, and discuss how AI might fit into Apple's plans for this year's releases. Also, Xcode wishes, and the challenges of building distributed systems.

John and Rambo reflect on what they've been learning and how they've been aiming to improve as developers during 2023. Also, tips for getting better at debugging, deploying generative AI within existing apps, and are view models really such a good fit for SwiftUI views?

Reactions to Apple's “Scary fast” event, Rambo's review of the iPhone 15 Pro Max, and under the hood of CleanupBuddy.

Will this year's iPhones switch to USB-C instead of Lightning, what could an Apple Watch Ultra-style action button be used for on a phone, and will Apple give us another look at the Vision Pro at their upcoming “Wanderlust” event?

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.

John and Rambo start diving into the new announcements from WWDC23 — including the Apple Vision Pro and visionOS, the new Apple Silicon-powered Mac Pro, as well as many of the updates to Apple's various operating systems.

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!

Reducing UI flickering, designing in-app purchase and signup flows, and how adding delays can interestingly make a UI feel more smooth and stable.

Integrating AI-powered features into an iOS app, using high refresh rate monitors with a Mac, the advantages of simple abstractions, and how the M1 and M2 Max compare in terms of Xcode work.

John and Rambo celebrate the 5-year anniversary of the show by looking back at how their work and the technology they use have changed since the beginning of the show. Also, how might things change during the next 5 years, specifically when it comes to machine learning, AR, and the openness of Apple's platforms?

How game controllers communicate with a Mac, handling asynchronous data and actions in SwiftUI, and various ways to use view models within a code base.

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.

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.

Building custom collection view layouts, introducing new features into a legacy code base, and managing patch releases while also working on a major new version of an app at the same time.

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.

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.

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!

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.

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.

John and Rambo discuss Apple's WWDC22 keynote, and share their first impressions of the new features and APIs that were announced.

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.

Organizing workspaces and hobby projects, the pros and cons of view models and controllers, and rendering Core Animation layers within SwiftUI view hierarchies.

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.

Balancing refactoring with feature development, abstracting system services, and building delightful UIs.

Custom macOS virtualization on Apple Silicon, the pros and cons of SwiftUI's List view, initial thoughts on WWDC 2022, and why Italy is such an amazing place.

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.

As we've mentioned in the last episode, the Stacktrace podcast is no longer a part of the 9to5Mac network. If you're seeing this entry in your podcast player, then you probably need to unfollow Stacktrace and follow the podcast again. Start by unfollowing the show in your podcast player, then just search for "Stacktrace" and follow the show again. You'll notice that the updated show has a new artwork and that episode 179 has already been released there. To learn more about how to listen to Stacktrace, check out our new website. Thanks for listening!

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. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links The first ever episode of the show The show's new email: ask@stacktracepodcast.fm Rambo's blog post about his CVE Steve Jobs's joke about iMovie on the App Store Demo of John's SwiftUI-based game Modeling loading states using enums Protocol inheritance/specialization Reflection in Swift Subscribe

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. Sponsored by Journey: Get 10% off the new Journey cases for iPhone with code JOURNEY10. Sponsored by 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. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links Apple's “Peek Performance” event The Banker on Apple TV+ “There is only one MTLDevice on M1 Ultra.” Mac Studio Studio Display Subscribe

On this extra episode of the show, John and Rambo share their bets, hopes and predictions for Apple's upcoming “Peek Performance” event. Sponsored by Sentry: 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. Sponsored by 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. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links Upgrade Mac Studio rumors Subscribe

Unit testing SwiftUI-based views, view and data architecture, as well as a behind the scenes look at Rambo's home automation setup. Sponsored by Sentry: 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. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links Unit testing SwiftUI-based views SwiftUI's state management system The “Locks and Keys” principle Philips Hue Fibaro switches Zigbee Shelly 2.5 Subscribe

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. Sponsored by Sentry: 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. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links realityOS references in Apple's open source code SwiftUI ARKit RealityKit Google Cardboard Blender Rambo's AR article from 2019 Reality Composer Quixel UIKit scenes Apple AR/VR headset renders IKEA Place Subscribe

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. Sponsored by Sentry: 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. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links Rambo's MacBook Pro specs Divinity: Original Sin 2 SpriteKit Imagine Engine John's new SwiftUI-based game demo Part of the source code from John's new game SwiftUI animations The SwiftUI Namespace API Custom SwiftUI view modifiers SwiftUI transactions Subscribe

How memory management works when using Swift's new concurrency features, getting out of productivity traps, remote pair programming, and the process of installing Mac apps. Sponsored by Sentry: 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. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links Memory management when using async/await in Swift Swift's closure capturing mechanics AppZapper The dmg file format The pkg file format Subscribe

Continued discussions around using SwiftUI for custom animations and layouts, more on phased rollouts and prioritizing bug fixes, content exclusivity and acquisitions, and various ways of sharing code across Apple's platforms. Sponsored by Sentry: Actionable iOS error tracking and performance monitoring. Try Sentry for free today. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links Yoshi's Instagram Asset catalog namespacing “Microsoft buys Activision Blizzard for $68.7B” — Polygon “Sony acquiring Bungie, creators of Destiny, in $3.6B deal” — Polygon Wordle Eero Call of Duty Starfield Customizing how an external Swift type is encoded or decoded Using compiler directives in Swift Bridging SwiftUI with UIKit or AppKit Dave DeLong's article about building cross-platform frameworks Managing dependencies using the Swift Package Manager Subscribe

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. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links SwiftUI and UIKit interoperability Rambo's HostingWindowController Sparkle Paddle Rambo's “AirBuddy 2.5 development trivia” Twitter thread Subscribe

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. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links Gastropod Rambo's implementation of the App Library animation Ink Plot Subscribe

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. Sponsored by ALOGIC: Get 10% off ALOGIC"S new BLAZE Docks & Hubs with code ALOGIC10. Enter the MacBook Pro giveaway. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links Upgrade Raycast WWDC by Sundell & Friends Duolingo Xbox Game Pass Payoneer Rambo's WWDC article about StoreKit 2 John's WWDC article about the new UIButton system Plot Components The Expanse Foundation Truth be Told Ted Lasso Metroid Dread The Forgotten City Subscribe

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. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links Gumroad Paddle Cloudflare Workers GitHub CoPilot Discover Concurrency on Swift by Sundell CollectionConcurrencyKit AsyncCompatibilityKit SimplyCoreAudio Subscribe

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. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links Pillow (disclaimer: has sponsored the show in the past) Delaying an async Swift Task Swift's closure capturing mechanics Rambo's new company website Subscribe

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. Download MP3 Hosts Gui on Twitter: @_inside John on Twitter: @johnsundell Links Using CloudKit for content hosting and feature flags CloudKit Web Services Functional networking in Swift Rambo roasting his own code on Twitter Subscribe

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. Sponsored by Shortcut: The project management tool built specifically for software development teams. Start your extended two-month free trial at shortcut.com/sundell 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 NetNewsWire Tilt CloudKit 101 Common pitfalls when using Keychain Sharing on iOS Swift actors: How do they work, and what kinds of problems do they solve? Beats Studio Buds Steelseries Arctis 7X View models SwiftUI's state management system Combine subjects John “The Lost Art of System Design” talk Rambo's “MVC: Many View Controllers” talk Subscribe