WWDC 2016 is over and there is still a lot to learn. This is a list of my seven favourite WWDC 2016 talks.
Playgrounds are a very powerful tool, but it hasn’t been possible to execute concurrent code yet. But in Xcode 8 you can do so.
It’s important to pay attention to compiler warnings. But in reality many developers tend to ignore warnings. In Xcode there is a very helpful build option called “Treat Warnings as Errors”