OldOS Project, Static Member Lookup & What is new in SwiftUI

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What’s new in SwiftUI for iOS 15

Visual effects, remote URLs, and cleaned up APIs galore.

Articles

Improve discoverability using Static Member Lookup in Generic Contexts

Static Member Lookup in Generic Contexts allows simplifying code while improving the readability and discoverability of your code.

Using the MainActor attribute to automatically dispatch UI updates on the main queue

How the MainActor attribute eliminates the need for us to manually dispatch UI updates on the main queue when using Swift 5.5’s new concurrency system.

How to use a pre-release Swift version in Xcode

Each Xcode version comes with a specific Swift toolchain, but you don't have to wait for a new Xcode version to try the new Swift features.

Automating Mac Catalyst Distribution with fastlane

We recently automated PDF Viewer for Mac distribution via fastlane. Here’s how you can do the same for your Mac Catalyst app.

Announcing SwitchStore for the Composable Architecture

We are adding new tools for handling enum state in the Composable Architecture, with a focus on safety and performance.

Other

The OldOS Project

Recreating a fully functional version of iOS 4 in SwiftUI.

Will Swift Concurrency deploy back to older OSs?

When Swift adds a new language feature as wide-reaching and fundamental as Concurrency, support for at least the current versions of iOS and macOS ought to be non-negotiable.