Jacek Suliga of LinkedIn did some Swift compiler profiling and made some interesting findings regarding Xcode’s usage of multiple cores.

Message from the Swift Core Team: each Swift release should focus on a small number of themes. Proposals that support these themes have a much higher chance of being accepted.

John Sundell explains how you can test your code that uses one of the singletons provided by the system like URLSession.shared.

Durul Dalkanat with 50 interview questions that you might get asked when interviewing for an iOS / Swift position.

In this short article Natasha The Robot explains when if should be preferred over a guard statement.

Plank is a tool to generate immutable models by the folks at Pinterest. It is built from the ground up in Swift, an ideal language for this task because of its strong type-safety features and elegant syntax.

Marco Santarossa explains the Model-View-ViewModel-Coordinator design pattern and how it can be applied to Swift.

Ever thought about running a web server on your iPhone? The folks at IBM explain how you can achieve that.

This document is a little older already but I’ve recently stumbled upon it again. It is an excellent resource for writing high-performance Swift code.

A Swift proposal for removing the fileprivate access level in favor of reverting to the old behavior of the private access level. This is currently in review and we’ll see how it goes.

The proposal for the Package Manager Manifest API Redesign, which has already been implemented in Swift 4.

SharedWebCredentials - Swift library for easily working with Shared Web Credentials for iOS

Typographizer - Fix dumb quotation marks and apostrophes in Swift

ReverseExtension - A UITableView extension that enables cell insertion from the bottom of a table view.