Daily coverage of Apple’s WWDC 2019 conference, by John Sundell.

A Swift by Sundell spin-off.

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22nd of June

The WWDC by Sundell 2019 retrospective

In this big retrospective — let’s take a look under the hood of WWDC by Sundell. I’ll share my key takeaways from running this site during WWDC, as well as how the site ended up performing, and what my plans are for my Swift static site generator.

► Read the article

7th of June

That’s a wrap!

Thank you so much for reading WWDC by Sundell this week, I’ve had such a great time covering the conference and some of the many tools and APIs introduced throughout the week.

This is of course not the end — I work full-time on creating free content for the Swift and Apple developer communities, and you can find an ever-growing collection of articles, podcast episodes, tips, and more — right here:

Once again, big thanks to this site’s four wonderful sponsors — Bitrise, RemObjects Software, Instabug, and Duolingo — without them I wouldn’t have been able to make this site happen. If your company is interested in sponsoring my work, then check out this page.

Also special thanks to the awesome folks at Apple — for all of the amazing new tools, for a fantastic event, and for making it possible for people like me to cover the conference remotely, by making all of the videos and other materials available online so quickly.

But most of all, thank you so much for reading, listening, and joining me as I’ve been posting new content on this site. I hope you’ve enjoyed experiencing WWDC with me, and feel free to let me know what you thought about this site and its content, either by contacting me, or by finding me on Twitter @johnsundell.

7 essential WWDC session videos for iOS developers

There’s been such an incredible amount of quality content from Apple this year — both in terms of announcements, new developer tools, updates to existing APIs, and of course — sessions.

While I’m still working my way through all of the 84 videos that Apple have released so far (not including Friday’s sessions), I wanted to share an initial set of seven videos that I think are essential for any iOS developer to watch.

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Bitrise: Fast, reliable Continuous Integration that already supports Xcode 11

Besides being a fast, rock solid, and easy to use solution for Continuous Integration — Bitrise also quickly adopts all of Apple’s latest technologies. You can already build and test your app using Swift 5.1 and Xcode 11 on Bitrise — mere days after the betas were released.

Bitrise is also one of the four wonderful companies that have helped me make WWDC by Sundell possible during these past two weeks.

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Thursday’s session videos

The video recordings of all 28 WWDC sessions held yesterday, during Thursday, are now available to watch online.

I’ll post some of my personal top picks soon, but for now, here’s the full list of yesterday’s videos and links to watch them.

► Browse all videos

SwiftUI’s relationship to UIKit and AppKit

SwiftUI, Apple’s brand new declarative UI framework, is here — and it’s exciting. But at the same time, looking at SwiftUI’s API and watching the various sessions on it can also start to raise some questions — like, is this a complete UIKit and AppKit replacement, how does SwiftUI views actually get rendered, and is it all just a simple “wrapper” around Apple’s previous UI frameworks? Let’s find out!

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6th of June

The Swift by Sundell WWDC podcast special

It’s time for the big 2019 Swift by Sundell WWDC special, featuring PCalc creator James Thomson — who, with his over 25 years of experience developing apps for Apple’s platforms, joined me to discuss SwiftUI, Catalyst, and the other exciting tools and frameworks introduced at this year’s WWDC.

► Listen to the episode

Wednesday’s session videos

The video recordings of all 28 WWDC sessions held yesterday, during Wednesday, are now available to watch online. I’ll post some of my personal top picks at the end of the week, but for now, here’s the full list of yesterday’s videos and links to watch them.

► Browse all videos

5th of June

Tuesday’s session videos

The video recordings of all 28 WWDC sessions held yesterday, during Tuesday, are now available to watch online. I’ll post some of my personal top picks later today, but for now, here’s the full list of videos and links to watch them.

► Browse all videos

Answers to the most common questions about SwiftUI

Yesterday I spent a big part of the day looking into SwiftUI, playing around with it, and starting to figure out how it all works. So in this article, I want to try to answer the top five most common questions that I’ve seen people ask me and others on Twitter — about how SwiftUI works, and how compatible it is with the current OS versions and previous developer tools, like UIKit.

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4th of June

A first look at SwiftUI: Apple’s declarative new UI framework

Declarative UI programming patterns have become incredibly popular over the last few years, truly taking many different development communities by storm.

It’s therefore especially exciting to see Apple step into this scene, with their own, completely native declarative UI framework — called SwiftUI. While there’s a ton of functionality to be discovered and experimented with in this new UI framework for all of Apple’s platforms — let’s start by taking a first look at some of the fundamentals of SwiftUI, and how it lets us drastically reduce the amount of code needed to produce common forms of UIs and interactions.

► Read the article

3rd of June

Keynote and Platforms State of the Union coverage

Hope you enjoyed last week’s pre-WWDC interviews and articles — but now it’s soon time for the real WWDC 2019 coverage to begin — starting with summaries and first impressions of the opening keynote and the Platforms State of the Union, later today.

The keynote kicks off at 10 AM Pacific Time, and the State of the Union session is scheduled for 14:30 Pacific Time. After each session, I’ll post a summary of what was announced — as well as my first impressions of the new developer tools, features, and announcements. Tomorrow I’ll start diving into all of the new releases — from Xcode, to Swift, iOS, macOS, and beyond — to bring you a ton of details, examples, and in-depth coverage of all things WWDC 2019.

So stay tuned, and have a great WWDC week!

2nd of June

1st of June

31st of May

Developer interview: Antoine van der Lee gives his top tips on getting the most out of attending WWDC

Today, I’m talking to Antoine van der Lee, who is an iOS developer at WeTransfer. He’s also a fellow weekly blogger, writing articles over at SwiftLee — and he’s somewhat of a WWDC veteran.

In this interview, he shares his top tips on getting the most out of attending WWDC and the events around it, and what new features he’d like to see in Xcode 11.

► Read or listen to the interview

30th of May

29th of May

Developer interview: Gui Rambo on iOS dark mode, Marzipan, and beyond

This is the first WWDC by Sundell developer interview — a mini-podcast and article series, in which we’ll hear from some of my friends from around the Apple developer community — about their thoughts, hopes and dreams for WWDC.

Starting with one of my really good friends — he’s an iOS developer, a reverse engineer, he writes for 9to5Mac, and he’s my co-host on the Stacktrace podcast — Mr. Gui Rambo.

► Read or listen to the interview

28th of May

Preparing a code base for WWDC

Making preparations for WWDC can seem a bit like preparing for something completely unknown. Apart from rumors, leaks, and reports — no one outside of Apple really knows exactly what will be released during the conference — but that doesn’t mean that we necessarily have to enter next week completely unprepared.

Based on my almost 10 years of experience as an iOS developer (it does look like I’m getting old, doesn’t it?), and more importantly, close to a decade of migrating code bases to new versions of Xcode and other developer tools — here are my top 5 tips on how to prepare a code base for WWDC.

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27th of May

Welcome to WWDC by Sundell

I love WWDC. Part Apple event, part conference, but most importantly an enormous celebration of the developer community surrounding Apple’s platforms. I had the pleasure of attending the conference back in 2014 (the year of Swift!), and came back excited and fully inspired (and also quite tired).

However, not everyone is able to actually attend WWDC in person. Not only do you have to win the “lottery” in order to qualify for purchasing a ticket, you also need to have the monetary means to be able to fly to, stay at, and attend the conference. So for a huge amount of people, WWDC can feel a bit out of reach.

I wanted to do something about that. This website is for everyone who wants to closely follow WWDC, but from anywhere in the world. Starting right now, this site will be updated daily with articles, videos, podcasts, and interviews, covering all things WWDC — from recommendations on what session videos to watch, to in-depth looks at new APIs, to interviews with people from all over the Apple developer community.

Think of it as both an extension to all the excellent material that Apple provides, as a way to quickly stay up-to-date on the latest announcements, and a place to see real-life examples of some of the new tools and technologies announced during the conference.

Just like Swift by Sundell, this site has no paywalls and is free, open and accessible to everyone. There’s no privacy-invading tracking, no filthy ad SDKs — there’s not even any JavaScript! All thanks to four wonderful companies that are generously helping me make this site possible — Bitrise, RemObjects Software, Instabug, and Duolingo.

So fire up your RSS reader and subscribe to this site’s feed, follow @swiftbysundell on Twitter for the latest updates, and feel free to check back every day from now until the 7th of June to find new content waiting for you.

Welcome to WWDC by Sundell — I hope you’re going to enjoy it! 😀