School starts in US, and we have another weekend with great reads to spend some time on.

• Natascha Fadeeva shares migration process to Observation framework in SwiftUI – Migrating to the Observation framework in SwiftUI;
  
  
• Notification action buttons with images in iOS by Natalia Panferova explains approach to make rich notifications looking even better in iOS;
  
  
• Keith Harrison provides great guide on SwiftUI integration for MapKit – MapKit for SwiftUI;
  
  
• Mark Szymczyk explains some caveats on displaying local web content in app – Showing Local HTML Content in a WKWebView;
  
  
• Mastering StoreKit 2. ProductView and StoreView. by Majid Jabrayilov is continuation on series dedicated to StoreKit development;
  
  
• Leonardo Maia Pugliese dives into new TipKit framework for easier app onboarding – Mistakes to Avoid When Implementing Quick Tips with SwiftUI’s TipKit;
  
  
• Xcode Debug Console Tour: Exploring All Options by Antoine van der Lee is in-depth review of Xcode Console debugging options;
  
  
• David Piper shares Augmented Reality’s RoomPlan for iOS: Getting Started – exploration on room scanning framework.

And quick shoutout for next week's online conference – Mobile People Community Day. Join our experts with great talks on different mobile development platforms, including review of WWDC23 announcements.

WWDC23 edition of weekend good reads is here. Surely, there are still sessions you want to watch or re-watch, but there are already great articles that go well with WWDC content.

• Paul Hudson gives great overview of Swift 5.9 features – What’s new in Swift 5.9?;
  
  
• Article by Majid Jabrayilov continues on new features but for SwiftUI – What is new in SwiftUI after WWDC 23;
  
  
• Marco Eidinger highlights all new frameworks announced – All new frameworks presented at WWDC23;
  
  
• New SwiftUI Support for MapKit in Xcode 15 by Audrey Tam explains MapKit usage in SwiftUI;
  
  
• Natalia Panferova shares several great articles: pattern matching guide – Swift enum pattern matching with extra conditions, new inspector views in SwiftUI – Inspectors in SwiftUI, new static properties for color and images – Access colors and images from asset catalog via static properties in Xcode 15, grouping controls in context menus – ControlGroup in context menus in SwiftUI, keyboard usage in iPadOS – Keyboard driven navigation with focusable() on iPad in SwiftUI, and great hint on Binding usage – How to map a SwiftUI state to a binding of a different type;
  
  
• Christian Tietze explores more uses of pattern matching – Swift Pattern Matching with Extra Conditions, and the Value of Syntax Summaries, SwiftUI introspection practices – How to Inspect SwiftUI.TextField.onSubmit and Figure Out You Can't Programmatically Use It, and highlights one issue that developers could encounter – SwiftUI.List with Menu with Plain Button Style Breaks Event Loop;
  
  
• Lee Kah Seng provides great performance debugging tips – 5 Simple Steps to Find Slow Code Using Xcode Time Profiler;
  
  
• Sarun W. goes through couple of WWDC announced features – What's new in SF Symbols 5, How to preview UIViewController in Xcode Previews, How to preview UIView in Xcode Previews, Xcode Previews with UIKit and AppKit in Xcode 15;
  
  
• ContentUnavailableView: Handling Empty States in SwiftUI by Antoine van der Lee explains uses of new dedicated view when no content is available;
  
  
• Great article on App Store rejections by Charlie Chapman – The ultimate guide to App Store rejections;
  
  
• And finishing with great review of Vision Pro by John Gruber – ★ First Impressions of Vision Pro and VisionOS.

And... Apple Treats team reviews WWDC23 announcements in next episode – Spatial Computing! on June 14, 2023 at 9:00am PDT. Join us with your thoughts and impressions! See you on the live stream and come back next week for more great articles!

Apple updates Maps in six European countries. Updates include detailed road coverage, 3D models for buildings and landmarks, Look Around.

Map updates are also available for developers via MapKit. No additional changes are required, updates are applied to apps automatically.

References:

• Apple Maps Redesign Expands to Austria, Croatia, Czechia, Hungary, Poland, and Slovenia
• New Apple Maps features come to Austria, Croatia, Czechia, Hungary, Poland, and Slovenia

Apple now no longer allows downgrade from iOS 16.3. This comes together with the news that previous iOS releases were subject to exploit allowing to get user's location if that permission was not given to the application.

Apple did not disclose details of this exploit.

Maps

Available for: iPhone 8 and later, iPad Pro (all models), iPad Air 3rd generation and later, iPad 5th generation and later, and iPad mini 5th generation and later

Impact: An app may be able to bypass Privacy preferences

Description: A logic issue was addressed with improved state management.

CVE-2023-23503: an anonymous researcher

About the security content of iOS 16.3 and iPadOS 16.3

Apple Support: About the security content of iOS 16.3 and iPadOS 16.3

References:

• Apple Stops Signing iOS 16.2 Following iOS 16.3 Launch, Downgrading No Longer Possible
• Was a Popular Brazilian Food Delivery App Bypassing Apple’s Location Privacy Settings on iOS?
• Apple Maps privacy bug may have allowed apps to collect location data without permission
• Was this Brazilian major app bypassing Apple's location privacy on iOS?
• Bypassing iOS 16.2 Location Privacy

Weekend is already here. And it will be a long weekend in US, so buckle up and get ready for a long list of truly good reads.

• David Smith keeps his Design Notes Diary cycle – DND 13: Checking the Weather, DND 14: Building an Accessible Chart, DND 15: Ruthlessly Limiting Scope, and comes with another article which might be interesting for indie developers – The Tyranny of the Churn Equation;
  
  
• Great take on AsyncStream by Donny Wals – Understanding Swift Concurrency’s AsyncStream;
  
  
• We all use UserDefaults, Natascha Fadeeva shares good tips on improving its experience – How to store a Swift struct in UserDefaults;
  
  
• Point-Free Pointers share their new dependency management library – A new library to control dependencies and avoid letting them control you (and a review of it by Alejandro Martinez – On the new Point-Free swift-dependencies library);
  
  
• Renaming Toolbar Navigation Title by Keith Harrison helps implementing new UI element – renaming current document from navigation bar;
  
  
• Jordan Morgan shares his thoughts on role of small things in overall user experience – Just a Little Nicer;
  
  
• Mastering charts in SwiftUI. Basics. by Majid Jabrayilov explores Charts library in SwiftUI;
  
  
• Leonardo Maia Pugliese shares great tips of interoperability between UIKit and SwiftUI – 5 Techniques to Effortlessly Send Data from UIKit to SwiftUI;
  
  
• Text modifiers in SwiftUI by Natalia Panferova guides through usage of modifiers for Text SwiftUI element;
  
  
• Emanuele Agosta describes good approach on prototyping process – Creating App Prototypes from Low to High-Fidelity;
  
  
• Enhance your Map experience with annotations by Elina Semenko covers MapKit usage including important topic on clustering.

And finishing up with one video on Swift memory ownership model:

And that is a wrap. Have a great weekend, have some rest, read some good news and come back next Friday for another pack of good articles!

Wow! It's 50th episode here. Let's get something interesting for today's good reads.

• Let's start with good explanation on how Rosetta 2 translates x86 code into ARM – Why is Rosetta 2 fast? by Dougall J;
  
  
• Swift Concurrency – Things They Don’t Tell You by Wojciech Kulik provides great deep dive into proper concurrent code development;
  
  
• And another article on proper concurrency practices – How Does Swift Concurrency Prevents Thread Explosions? by Lee Kah Seng;
  
  
• Brett Ohland goes into details on data formatting – You can stop writing date format strings like “yyyy-MMM-dd”;
  
  
• Apple Maps are getting better now, learn how to add those to your web site – Using MapKit JS to Embed Apple Maps in Websites by Moritz Philip Recke;
  
  
• Leonardo Maia Pugliese shares an article on making SwiftUI code modular with SwiftPM – Introduction to SwiftUI Modularisation with SPM;
  
  
• Core Data property mapping to Swift is suboptimal, learn how to better handle those with article by Natascha Fadeeva – How to handle non-optional Core Data properties in Swift;
  
  
• When .animation animates more (or less) than it’s supposed to by Ole Begemann covers interesting aspects of animation behavior in SwiftUI;
  
  
• Jordan Morgan explains how to make your collection or table view better compatible with keyboard – Basic Keyboard Navigation for Collection & Tableview.;
  
  
• Widgets and other extensions need access to shared files – Share files between your iOS app, Widget and WatchKit extensions by Marco Eidinger covers exactly that;
  
  
• Antoine van der Lee provides good guide on result builders in Swift – Result builders in Swift explained with code examples;
  
  
• Pin a view to the bottom of safe area in SwiftUI by Natalia Panferova solves one of simple things you might need in your app;
  
  
• Craig Hockenberry shares a hint on how to keep your storage free space under control – Managing Xcode Downloads.

Big list for this week. And, as always, more to come next time!

Apple now provides a tool to create web snapshots of its Maps service.

Snapshots are highly configurable and provide different options for displayed content, overlays, styling, etc.

MapKitJS: Snapshot Studio

Apple Developer:

• Add a Maps Web Snapshot to your online content
• Create a Maps Web Snapshot
• Generating a URL and Signature to Create a Maps Web Snapshot