I still (just about! 👴) remember the first time I came across asynchronous programming. I assumed, incorrectly, that when I called into the concurrent code, execution would continue in my calling function after it had completed. Of course, I was as wrong then as I often am now!

I feel like programming languages are finally catching up with my naive expectations as async/await syntax becomes more standard across a wide range of languages. The great news is, that group of languages will soon include Swift.

I started thinking about this topic after reading Alejandro Martinez’s post on Swift concurrency and watching the three videos that accompany it. He covers three distinct parts of the Swift concurrency story in detail, and I learned a lot from watching them. I’m sure you will too.

Over the years, I feel like I’ve seen programming languages fight a constant battle against complexity as the hardware, operating systems, and user expectations push languages and frameworks to evolve. As the battle progresses, complexity goes through advances and retreats and for every step forward that languages make, there’s complexity lying in wait trying to gain new footholds.

For example, manual memory management was a huge advance for the complexity army until the combined forces of reference counting, garbage collection, and eventually, automatic reference counting pushed it to retreat. It advanced again as asynchronous programming became something we all had to deal with until languages struck back with threads, queues, promises, and eventually async and await. There are more examples, of course, but those are two big ones. It happens over and over again.

I feel like complexity has been increasing quite consistently in Swift over the last few years, so I’m pleased to see the language make a decisive strike against it with some of the language changes carried by the Swift 5.5 cavalry! 🦄

Dave Verwer  







Technical Director of Engineering @ Stream – Stream is hiring for a Technical Director of Engineering managing our SDK teams for iOS, Android, Flutter, React Native, and React. Our APIs for activity feeds and chats are used by over a billion end-users. We’re one of the fastest-growing startups in Europe, and recently announced our Series B of $38 mln. – Amsterdam or Remote

Senior Mobile Developer @ Six to Start – We make Zombies, Run!, the world's most popular smartphone fitness game with over 10 million downloads. Help us make exercising fun for everyone! – Remote

Swift Developer @ Toggl Track – Help us build and improve our Toggl Track app for iOS, iPadOS, watchOS and macOS. You will be part of a 5 people team dedicated to build the apps for Apple devices. Our code has been built from scratch in the last year, we just released the iOS app and we are starting work on our macOS app. We do 100% Swift with some small doses of SwiftUI. The salary for this position is €50,000 annually. – Remote

iOS Engineer @ Karbon – Join our dedicated, all-remote agency and help us build amazing iOS apps for amazing clients. We've spent the past 10 years helping companies ship apps to millions of users—join us as we focus on the next 10 years. – Remote within the US

iOS Software Engineer @ Slumber Group – Join the Slumber Group team and help us achieve our mission of "Improving the health of every single person worldwide through sleep". Our audio-focused sleep apps and podcasts help millions suffering from insomnia, tinnitus, anxiety, PTSD, bereavement, or colic. Our products have been featured by Apple, Google, The Washington Post, NYT, WSJ and more. – Remote

Senior iOS Developer @ Sunshine Health Studios Inc. – We make a direct impact on people's health for the better. Our product works long-term, and our large active community shows. Join us in a stable job, alongside Y Combinator founders and top-notch engineers. Paid holidays/vacation, benefits, stock options are available for all employees, even international employees. – Remote

Senior iOS Engineer @ ClassPass – Want to work on an app that helps people lead healthier, more fulfilling lives? Join the team at ClassPass, the world's leading fitness and wellness aggregator. You'll be defining our mobile strategy, collaborating with an incredible product team, and guiding us through a really exciting period of growth. – Missoula MT, Houston TX, or New York City NY

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Thanks so much to this week’s iOS Dev Weekly Insiders! Ilter Cengiz, Paul Jackson, Shawn Marston, shengchalover, and Russ Shanahan. Thank you so much for your generosity. 😍

This issue’s insider call is on Monday, and we’ll be talking about complexity in software development, as well as covering some of the other links in this issue. Join us?


And finally...

A bug in a web app that only manifested on Windows PCs and started in 1977? That sounds like a story you should read, doesn't it. 🤯