Обзорная статья от Рэя: http://www.raywenderlich.com/108522/whats-new-in-swift-2

Обзорная статья от AppCoda: http://www.appcoda.com/swift-2-introduction

Более продвинутый уровень от Майка Эша: https://www.mikeash.com/pyblog/friday-qa-2015-06-19-the-best-of-whats-new-in-swift.html

Еще пара статей с другого ракурса:
http://sketchytech.blogspot.ru/2015/06/whats-new-in-swift-20-repeat-while.html
http://jamesonquave.com/blog/swift-2-whats-new/… Читать дальше →

If you’ve written a watch app, you’ll know that a big part of the problem lies in the bandwidth limitations of phone to watch communication. Architecting a performant WatchKit extension can be difficult due to the write-only nature of WatchKit UI elements and the stringly-typed nature of controllers.

How can we decrease traffic sent from the phone to the watch while simultaneously reducing the complexity of your app’s architecture? In this post I will describe how these can be achieved by using View Models.… Читать дальше →