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A Deep Dive Into Observation: A New Way to Boost SwiftUI Performance

Observation framework should reduce unnecessary updates in SwiftUI views, improving performance of SwiftUI apps

#Preview SwiftUI Views using Macros

Using the #Preview Swift Macro you can create previews more quickly for all your SwiftUI, UIKit, and AppKit views.

Xcode Bookmarks: Save code landmarks & organize tasks

Store Xcode bookmarks to important code references and search queries. Use the bookmarks as a to-do list to increase your productivity.

SwiftUI Plain Button Style cannot tap on an Empty space | Sarunw

The plain button style has behavior and appearance different from the other styles. Let's learn how this affects a tappable area.

Animate SF Symbols with symbolEffect | Sarunw

In iOS 17, you can animate SF Symbols with the new modifier. Let's learn how to do it.

Deep Dive into the New Features of ScrollView in SwiftUI 5

This article will introduce these new features of ScrollView in SwiftUI 5, hoping to help developers in need more and earlier.

What’s new in SwiftUI for iOS 17

This is another huge year of updates, delivering many highly requested features such as advanced scroll view effects, container relative sizing, and even Metal shaders.

Version-specific Package.swift files

How, why and when to define version-specific manifests for your Swift Packages.

Mastering ScrollView in SwiftUI. Transitions

The fifth iteration of the SwiftUI framework brings a lot of new APIs related to ScrollView, making it much more powerful than before. This week will begin the series of posts about new abilities of the ScrollView in SwiftUI, and we will start with scroll transitions.

WWDC23 SwiftData Lab Notes

Notes from my WWDC23 SwiftData lab.

Swift Result Builders: Getting Started

Adding @resultBuilder in Swift 5.4 was important, but you might have missed it. It’s the secret engine behind the easy syntax you use to describe a view’s layout: @ViewBuilder. If you’ve ever wondered whether you could create custom syntax like that in your projects, the answer is yes! Even better, you’ll be amazed at how […]

Localize your app with String Catalog | Danijela's blog

Localizing your app is a big part of making it more inclusive and available to people in other languages. Apple has made it easier for developers to localize our apps. Starting with Xcode 15 and String Catalogs.

Swift Actors — Common Problems and Tips

Swift actors are a powerful tool to address data races and make your code thread-safe

UIKit rendering - The run loop

On the previous post, we discovered that the commit of the current implicit transaction is responsible of our initial interrupted layout phase. So we only have one question left: when does it take place?

UIKit rendering - CATransaction

On the previous post, we discovered a mysterious CATransaction.commit at the bottom of our interrupted layout phase stack. Let’s find out its role in the layout process.

What’s new in Swift 5.9?

Macros, if and switch expressions, noncopyable types, and more!