Looking for the lowdown on everything that has changed? Look no further than the official docs for a comprehensive list of changes, by framework and class. Or, if you'd prefer a full list of only what has changed then there's also this list generated by objc-diff.
This is a great round up of the headline features of iOS 12 from Paul Hudson. Covering CreateML, grouped notifications, Siri Shortcuts and the fact that UIWebView is finally being deprecated this is a good way to get yourself up to speed with an overview of the API changes.
Ole Begemann with his regular look at what's new in Swift. There's a playground to download to demonstrate all of the changes. Download Xcode 10 and get started.
One of the new frameworks that didn't get a huge amount of coverage this week was the Natural Language framework. John Sundell has a quick write up for us here. This looks very cool.
Let it be known in the future that it was Ben Dodson who first called it "Siri the all-seeing widget assistant". 😂 You did learn all about
NSUserActivity when it first appeared in iOS 8, right? If not, I see some of that in your future. Seriously though, I love this feature of iOS 12.