Did you notice that the notification API got a complete overhaul in iOS 10? Both local and remote notifications have been extracted from UIKit and moved into a new framework, and there are also plenty of changes to get to grips with. Filip Radelic has a good summary.
This two part series of posts (1, 2) by Kristina Thai gives a great overview of what's new in watchOS for developers. I must admit, I still can't get very excited about the watch as a app platform it but there's definitely some huge improvements here if you can! 🚀
Ash Furrow with a post on why collection views should get more love than they do! I'm not sure I agree that they are unloved, certainly they are one of my favourite classes and something I use whenever I can. However, if you've been neglecting them here's some inspiration to get back into them.
Want a practical example of using the new UIViewPropertyAnimator API in iOS 10? Jake Lin has you covered with this small game based on it. 👾
Let's finish with a quick Objective-C change from Andrew Madsen which I also missed last week. Useful!