Automated App Store Screenshots with Fastlane: A Practical Guide
Learn how to set up automated screenshot generation for App Store Connect using fastlane snapshot, with tips on accessibility identifiers, mock data, and handling iOS 26's new TabView.
Kamil Buczel's Blog
iOS development articles and insights
Latest posts
iOS 26 TabView UI Tests: Making Identifiers Work Everywhere
SwiftUI's TabView accessibility identifiers behave differently on iPad vs iPhone with Liquid Glass. Here's how to write tests that handle both devices reliably.
Swift Task Coalescing: From Duplicate Callers to a Single Request
Learn how to use Swift actors and actor reentrancy to elegantly merge concurrent network requests. Build a task coalescer that shares in-flight tasks between multiple callers.
Displaying ML Model Probabilities in iOS: Building Trust with Confidence Scores
Learn the correct way to extract prediction confidence scores from CreateML text classifiers in iOS. Discover why direct CoreML access doesn't work and how NLModel provides the solution.
Building iOS Apps with Tuist, xcsift, and Claude Code: A Comprehensive Guide
Learn how to set up modern iOS development with Tuist for project generation, xcsift for build output parsing, and Claude Code for AI-assisted development.
Advanced NavigationStack Patterns in SwiftUI
Build type-safe, testable navigation in SwiftUI using NavigationStack coordinators - with deep linking, auth flows, and onboarding built in.
Drop the Boilerplate: @Observable in iOS 17
Replace ObservableObject, @Published, and @StateObject with a single macro. Here's how @Observable simplifies state management in SwiftUI.
Make Your SwiftUI Views Enter and Exit with Style
Go beyond .slide and .opacity - build custom transitions in SwiftUI that match your app's personality, from simple pivots to full card flips.