Swift by Sundell

By John Sundell

Technology Software How-To

What's Swift by Sundell about?

In-depth conversations about Swift and software development in general, hosted by John Sundell.

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LAST EPISODE

123: “The evolution of Swif...

12.19.2022

On this final episode of 2022, Nick Lockwood returns to the show to discuss the overall evolution of Swift and its ecosystem of tools and libraries. How has Swift changed since its original introduction in 2014, how does it compare ...

Swift by Sundell episodes:

12.19.2022 123: “The evolution of Swift”, with special guest Nick Lockwood On this final episode of 2022, Nick Lockwood returns to the show to discuss the overall evolution of Swift and its ecosystem of tools and libraries. How has Swift changed since its original introduction in 2014, how does it compare ...
11.18.2022 122: “Swift concurrency in practice”, with special guest Ben Scheirman Ben Scheirman returns to the show to discuss how Swift’s built-in concurrency features, such as async/await and tasks, can be used in practice when building apps for Apple’s platforms.
10.31.2022 121: “Responsive and smooth UIs”, with special guest Adam Bell Adam Bell returns to the podcast to discuss different techniques and approaches for optimizing UI code, and how to utilize tools like animations in order to build iOS apps that feel fast and responsive.
09.17.2022 120: “Freelancing and WWDC22 highlights”, with special guest Donny Wals Donny Wals returns to the show to talk about being an iOS developer freelancer, and to discuss some of the key new APIs, Swift language features, and frameworks that were introduced at WWDC22.
08.31.2022 119: “The role of system design”, with special guest Gui Rambo Gui Rambo returns to the show to talk about the role and importance of system design when building apps and open source tools, and how common app architectures and design patterns can be augmented with custom systems.
07.11.2022 118: “What’s new in SwiftUI in iOS 16?”, with special guest Natalia Panferova Natalia Panferova joins John to discuss some of the key new features that are coming to SwiftUI and UIKit in iOS 16, and to talk about her experience working on SwiftUI at Apple.
06.10.2022 117: “Swift 5.7, generics, and the road to Swift 6”, with special guest Ben Cohen Ben Cohen, manager of the Swift team at Apple, joins John on this WWDC22 special to discuss Swift 5.7, how generics have been made more powerful and easy to use, and how the language is expected to evolve towards Swift ...
05.18.2022 116: “The evolution of SwiftUI”, with special guest Chris Eidhof Chris Eidhof returns to the podcast to talk about how SwiftUI has evolved since its initial release, to share several key learnings from using it over the past few years, and to discuss concepts like app architecture and state management.
04.30.2022 115: “A framework and an app”, with special guest Simon Støvring Simon Støvring returns to the show to talk about how he built his new text editor Runestone, how to effectively manage an app’s settings, performance tuning, and implementing an app’s core logic as a stand-alone framework.
03.21.2022 114: “Accessibility on Apple’s platforms”, with special guest Sommer Panage Sommer Panage returns to the show to discuss Apple’s various accessibility APIs and tools, how to incorporate accessibility support into a team’s overall development workflow, and what it was like being an engineering manager at Apple.
02.27.2022 113: “Where is Swift headed in 2022?”, with special guest JP Simard On this 2022 season premiere, JP Simard returns to the show to discuss what’s next for Swift in 2022, and what kinds of improvements and new features that might be coming to the language during the year.
12.30.2021 112: “The 2021 Season Finale” To wrap up the 2021 season of the show, John revisits some of the key themes and topics that were discussed both on the show itself, and within the Swift community in general, throughout the year.
12.20.2021 111: “Custom rendering”, with special guest James Thomson James Thomson returns to the show to discuss the various technologies that enable us to render custom UIs on Apple’s platforms. From rendering views using Core Graphics and Core Animation, to building completely custom 3D-based UIs using SceneKit and RealityKit.
12.06.2021 110: “Concurrency beyond app development”, with special guest Tim Condon Tim Condon joins John to discuss how both client and server-side Swift developers could utilize the new built-in concurrency system, as well as how distributed actors and other upcoming language features might continue to make Swift even more capable on ...
11.22.2021 109: “Code maintenance”, with special guest Nick Lockwood Nick Lockwood joins John for a discussion about maintaining Swift code bases — from open source projects, to ones worked on by teams of various sizes. Also, the design of ShapeScript, using async/await within unit tests, and much more.
11.04.2021 108: “Concurrency and Swift-DocC”, with special guest Marin Todorov Marin Todorov returns to the podcast to discuss Swift’s new concurrency system and its newly announced backward compatibility, his new book about that topic, and his work on Apple’s open source documentation tool, Swift-DocC.
10.30.2021 107: “UIKit in 2021”, with special guest Ben Scheirman Ben Scheirman returns to the show to talk about modern UIKit-based app development, how UIKit has evolved over the past few years, and how its API design and usage has been influenced by the introduction of frameworks like SwiftUI and ...
10.07.2021 106: “Opportunities for optimization”, with special guest Christian Selig Christian Selig returns to the show to talk about how he used the new Safari extension system on iOS to build Amplosion and Achoo, the pros and cons of open source, and how developers can utilize other iOS 15 and ...
09.28.2021 105: “Building various kinds of editors”, with special guest Marcin Krzyzanowski Marcin Krzyzanowski returns to the show to talk about building editors for Swift code, backend-driven user interfaces, and more. Also, the challenges of working with text-based data, the pros and cons of composition, and managing hobby projects.
09.02.2021 104: “The magic of Augmented Reality”, with special guest Roxana Jula Roxana Jula joins John to discuss Apple’s various tools, frameworks, and APIs for building Augmented Reality experiences. How to get started building AR-based apps, what’s the current state of AR on Apple’s platforms, and how might that change if Apple ...
08.23.2021 103: “What’s new in Swift 5.5”, with special guest Antoine van der Lee Antoine van der Lee, creator of SwiftLee, joins John to discuss the new language features that are being introduced as part of Swift 5.5 — from the brand new concurrency system, to convenience features and various improvements.
08.02.2021 102: “WWDC21, two months later”, with special guest Jordan Morgan Jordan Morgan returns to the show to discuss some of the key new APIs and frameworks that were announced at WWDC21, and how they can be integrated into the apps that we build, now that about two months have passed ...
07.15.2021 101: “Cross-platform SwiftUI”, with special guest Malin Sundberg Malin Sundberg joins John to talk about her experiences of using SwiftUI to build and ship the time-tracking and invoicing app Orbit on most of Apple’s platforms, and what sort of things that can be good to keep in mind ...
07.02.2021 100: “A tower of capabilities”, with special guest Chris Lattner Chris Lattner returns to the show to discuss Swift’s new concurrency features, the ongoing evolution of the language, and the importance of both language and API design. This, and much more, on this special 100th episode of the show.
06.11.2021 99: “Structured concurrency”, with special guest Doug Gregor Doug Gregor from Apple joins John to discuss Swift 5.5’s new concurrency features in great detail. How do features like async/await and actors work under the hood, and how were those concepts adapted in order to feel right at home ...
05.31.2021 98: “An entire spectrum of apps”, with special guest Sean Allen Sean Allen returns to the show to talk about using the MVVM design pattern within SwiftUI-based apps, building a course around MapKit and CloudKit, how to approach all of the new material that WWDC has to offer, and what goes ...
05.21.2021 97: “Anything can happen during WWDC”, with special guest Ish ShaBazz Ish ShaBazz returns to the show for a special pre-WWDC episode about what new APIs and developer tools that Apple might announce at this year’s edition of the conference. What’s in store for Swift and SwiftPM, how might UIKit and ...
04.29.2021 96: “Gesture-driven animations”, with special guest Adam Bell Adam Bell returns to the show to talk about animations, both how to make great use of the built-in animation tools that the iOS SDK ships with, but also how to drive custom, gesture-driven animation logic and the sort of ...
04.15.2021 95: “Concurrency orchestration”, with special guest Brent Simmons Brent Simmons returns to the show to discuss multi-threading and concurrency, and how to make good use of tools like Grand Central Dispatch. Also, building NetNewsWire in the open, the current state of SwiftUI, and the type of responsibilities that ...
03.30.2021 94: “A Mac-like Mac app”, with special guest Benedikt Terhechte Benedikt Terhechte returns to the show to discuss the pros and cons of using technologies like Catalyst and SwiftUI to build Mac apps, and also to share tips and tricks on how to use AppKit for use cases that Apple’s ...
03.14.2021 93: “Combine and Core Data”, with special guest Donny Wals Donny Wals, book author and iOS developer at Disney Streaming Services, joins John to give practical tips on Combine and Core Data. How to manage and test increasingly complex Combine pipelines, and how come the opinions on Core Data are ...
02.27.2021 92: “All of our wildest Swift dreams”, with special guest Kaitlin Mahar Kaitlin Mahar, lead engineer at MongoDB and member of the Swift Server Work Group, joins John to discuss the current state of server-side Swift, designing APIs for server-side libraries, and Swift’s upcoming suite of structured concurrency features.
02.15.2021 91: “Is SwiftUI ready for production?”, with special guest David Smith David Smith, creator of apps like Widgetsmith, returns to the show to discuss whether SwiftUI is currently capable and stable enough to build production-level apps, and what sort of things that can be good to keep in mind when starting ...
01.28.2021 90: “The essence of app architecture”, with special guest Matt Gallagher Matt Gallagher, creator of Cocoa with Love, returns to the show to discuss how the introduction of SwiftUI and Combine has impacted how apps are architected on Apple’s platforms, and what sort of principles that are good to keep in ...
01.18.2021 89: “Framework and SDK development”, with special guest Ellen Shapiro Ellen Shapiro returns to the show to discuss framework and SDK development, and how that often requires a somewhat different process from app development. Also, API design, GraphQL, using the standard library’s protocol-oriented design, and more.
12.21.2020 88: “The 2020 Holiday Special” On this special episode of the show, John wraps up the 2020 season by revisiting some of the key themes and topics that were discussed on the show during the year.
12.03.2020 87: “The SwiftUI layout system”, with special guest Chris Eidhof Chris Eidhof returns to the show to go on a deep dive into the SwiftUI layout system. What are the different phases involved in determining a given view’s layout, how do concepts like layout priorities and flexibility work, and what ...
11.19.2020 86: “Map is a design pattern”, with special guest Daniel Steinberg Daniel Steinberg joins John to discuss how various functional programming patterns can be adopted in Swift, and how many of those patterns can be found in both the standard library and in frameworks like Combine and SwiftUI.
11.05.2020 85: “Cross-Apple platform development”, with special guest James Thomson James Thomson, creator of PCalc, returns to the show to discuss how developers can bring their apps to multiple Apple platforms using technologies like Catalyst and SwiftUI, and how and when it can be a good idea to share code ...
10.22.2020 84: “Key paths, functions and closures”, with special guest Vincent Pradeilles Vincent Pradeilles joins John to discuss various ways to use Swift language features like key paths and closures, how they relate to patterns typically used within functional programming, and when and how to adopt such patterns.
10.08.2020 83: “Adventure into widgets”, with Scriptable developer Simon Støvring Simon Støvring, the developer behind several powerful iOS productivity apps, including Scriptable, joins John on an episode all about the new home screen widgets introduced in iOS 14. Topics include how to create and update dynamic widgets, managing and sharing ...
09.24.2020 82: “Translating designs into code”, with special guest Jordan Singer Jordan Singer joins John to discuss various approaches of turning designs into fully implemented UIs, how to manage things like mock data during the development process, and when to turn a given view into a reusable component. Also, the story ...
09.10.2020 81: “How big iOS teams typically operate”, with special guest Carola Nitz Carola Nitz, iOS developer at Netflix, joins John to discuss how larger iOS development teams typically operate, and how smaller teams can prepare their code bases for future growth. Also, organizing remote conferences, balancing feature development with bug fixing, and ...
08.28.2020 80: “Lists and loops”, with special guest Nick Lockwood Nick Lockwood returns to the show to go on a deep dive into data structures and algorithms, what some of the pros and cons of writing high-performance code in Swift are, and how all of that relates to parallelization and ...
08.13.2020 79: “All about UICollectionView”, with special guest Ben Scheirman Ben Scheirman, creator of NSScreencast, joins John on an episode all about UICollectionView. How have UICollectionView’s features evolved over time, and how are modern APIs like compositional layouts and diffable data sources changing the way collection views are built and ...
07.28.2020 78: “What’s new in Swift 5.3”, with special guest JP Simard JP Simard returns to the show to discuss Swift 5.3’s main new features and improvements, and what those changes might tell us about the current state of Swift and its evolution process.
07.16.2020 77: “Adopting new system features”, with special guest Jordan Morgan Jordan Morgan joins John to discuss various strategies for adopting new system features and APIs, how to keep up with the rapid changes to iOS, macOS and Apple’s other platforms, and how to allocate time between different projects.
06.30.2020 76: “A huge year for SwiftUI”, a WWDC20 special with Josh Shaffer and Eliza Block Josh Shaffer and Eliza Block from Apple join John to talk about what’s new in SwiftUI, how Xcode Previews work under the hood, the new home screen widget system, Apple’s internal process of adopting and improving SwiftUI, and much more.
06.19.2020 75: “The Swift package ecosystem”, with special guests Dave Verwer and Sven A. Schmidt Dave Verwer and Sven A. Schmidt join John to talk about their newly launched Swift Package Index, and what the overall state of Swift’s package ecosystem currently is. Also, dependency management, composing libraries, deploying server-side Swift in production, and much ...
06.04.2020 74: “Let’s build a camera app”, a conversation with the Halide and Spectre team On this special episode, John is joined by the entire team behind the award-winning apps Halide and Spectre, Apple’s 2019 App of the Year. Ben, Sebastiaan and Rebecca share their stories of how these apps came to life, how they’re ...

Older episodes

Swift by Sundell

What's Swift by Sundell about?

Download our free app to listen on your phone

Swift by Sundell episodes:

123: “The evolution of Swift”, with special guest Nick Lockwood

122: “Swift concurrency in practice”, with special guest Ben Scheirman

121: “Responsive and smooth UIs”, with special guest Adam Bell

120: “Freelancing and WWDC22 highlights”, with special guest Donny Wals

119: “The role of system design”, with special guest Gui Rambo

118: “What’s new in SwiftUI in iOS 16?”, with special guest Natalia Panferova

117: “Swift 5.7, generics, and the road to Swift 6”, with special guest Ben Cohen

116: “The evolution of SwiftUI”, with special guest Chris Eidhof

115: “A framework and an app”, with special guest Simon Støvring

114: “Accessibility on Apple’s platforms”, with special guest Sommer Panage

113: “Where is Swift headed in 2022?”, with special guest JP Simard

112: “The 2021 Season Finale”

111: “Custom rendering”, with special guest James Thomson

110: “Concurrency beyond app development”, with special guest Tim Condon

109: “Code maintenance”, with special guest Nick Lockwood

108: “Concurrency and Swift-DocC”, with special guest Marin Todorov

107: “UIKit in 2021”, with special guest Ben Scheirman

106: “Opportunities for optimization”, with special guest Christian Selig

105: “Building various kinds of editors”, with special guest Marcin Krzyzanowski

104: “The magic of Augmented Reality”, with special guest Roxana Jula

103: “What’s new in Swift 5.5”, with special guest Antoine van der Lee

102: “WWDC21, two months later”, with special guest Jordan Morgan

101: “Cross-platform SwiftUI”, with special guest Malin Sundberg

100: “A tower of capabilities”, with special guest Chris Lattner

99: “Structured concurrency”, with special guest Doug Gregor

98: “An entire spectrum of apps”, with special guest Sean Allen

97: “Anything can happen during WWDC”, with special guest Ish ShaBazz

96: “Gesture-driven animations”, with special guest Adam Bell

95: “Concurrency orchestration”, with special guest Brent Simmons

94: “A Mac-like Mac app”, with special guest Benedikt Terhechte

93: “Combine and Core Data”, with special guest Donny Wals

92: “All of our wildest Swift dreams”, with special guest Kaitlin Mahar

91: “Is SwiftUI ready for production?”, with special guest David Smith

90: “The essence of app architecture”, with special guest Matt Gallagher

89: “Framework and SDK development”, with special guest Ellen Shapiro

88: “The 2020 Holiday Special”

87: “The SwiftUI layout system”, with special guest Chris Eidhof

86: “Map is a design pattern”, with special guest Daniel Steinberg

85: “Cross-Apple platform development”, with special guest James Thomson

84: “Key paths, functions and closures”, with special guest Vincent Pradeilles

83: “Adventure into widgets”, with Scriptable developer Simon Støvring

82: “Translating designs into code”, with special guest Jordan Singer

81: “How big iOS teams typically operate”, with special guest Carola Nitz

80: “Lists and loops”, with special guest Nick Lockwood

79: “All about UICollectionView”, with special guest Ben Scheirman

78: “What’s new in Swift 5.3”, with special guest JP Simard

77: “Adopting new system features”, with special guest Jordan Morgan

76: “A huge year for SwiftUI”, a WWDC20 special with Josh Shaffer and Eliza Block

75: “The Swift package ecosystem”, with special guests Dave Verwer and Sven A. Schmidt

74: “Let’s build a camera app”, a conversation with the Halide and Spectre team