With the work-in-progress backport of the new Swift concurrency model all the way to iOS13, async/await and friends are getting more and more relevant for all Swift developers. So here’s a quick and simple example that showcases some of the nice features of the new concurrency model without going into much detail. Thread.sleep() vs Task.sleep() Let’s just look at the old and new sleep APIs: Thread.sleep() is the old API that blocks a thread for the given amount of seconds — it doesn’t load the CPU, the core just idles. …