Videos and Tabs in DocC Documentation
Two lesser-known DocC features that make your documentation more interactive: embedded videos and tabbed content navigation.
Snippets
RSSDocumentation
Search Apple Documentation with Shift+Cmd+O
Use the same Open Quickly shortcut to search Apple's developer documentation directly on the web.
iOS Development
Apple Implements Feedback Requests -- Filing Reports Works
A personal experience of having a Feedback Assistant request implemented in Xcode 26, and tips for writing effective feedback reports.
Use .labelStyle(.iconOnly) Instead of Nesting Image in Button
The proper SwiftUI pattern for icon-only buttons that preserves accessibility without sacrificing readability.
Push Notifications for App Store Reviews
How to enable push notifications for new App Store reviews in the App Store Connect app so you can respond to user feedback quickly.
Convert Paid Apps to Freemium Without Affecting Existing Users
How to use StoreKit's AppTransaction API to transition from paid-up-front to freemium while preserving access for users who already paid.
ImageRenderer Cannot Export UIKit-Backed Views
SwiftUI's ImageRenderer silently fails on views that use UIKit or AppKit under the hood, like List and ScrollView.
SwiftUI Navigation: Present Data, Not Views
Understanding the mental model shift from imperative navigation in UIKit to data-driven navigation in SwiftUI.
AsyncImage Does Not Support .resizable()
SwiftUI's AsyncImage does not allow the .resizable() modifier, requiring a phase-based workaround.
Xcode 15 String Catalogs Replace .strings and .stringsdict
Xcode 15 introduces String Catalogs, a visual editor for managing localized strings that replaces legacy .strings and .stringsdict files.
Xcode 15 Brings Type-Safe Asset Catalog Access
Xcode 15 generates type-safe Swift accessors for images and colors in asset catalogs, replacing the need for SwiftGen.
Previewing Loading States in SwiftUI Without Changing Production Code
A preview-only helper that simulates network delays so you can see loading states in SwiftUI previews.
Speed Up Xcode Launches by Disabling Debug Executable
A hidden Xcode scheme setting that can significantly reduce app launch times during development.
Server-Side Swift
Vapor's maximumActiveConnections Is Per Event Loop, Not Per Worker
A non-obvious Vapor configuration detail that can cause intermittent 500 errors when your actual connection count exceeds what you think you configured.
Swift
Vapor's maximumActiveConnections Is Per Event Loop, Not Per Worker
A non-obvious Vapor configuration detail that can cause intermittent 500 errors when your actual connection count exceeds what you think you configured.
Use .labelStyle(.iconOnly) Instead of Nesting Image in Button
The proper SwiftUI pattern for icon-only buttons that preserves accessibility without sacrificing readability.
EditorConfig for Every SwiftPM Package
Why every Swift package should include an .editorconfig file to enforce consistent indentation across all contributors.
Videos and Tabs in DocC Documentation
Two lesser-known DocC features that make your documentation more interactive: embedded videos and tabbed content navigation.
Convert Paid Apps to Freemium Without Affecting Existing Users
How to use StoreKit's AppTransaction API to transition from paid-up-front to freemium while preserving access for users who already paid.
Building an AsyncButton in SwiftUI
A reusable button component that handles async actions with automatic loading state, disabling, and success/failure indication.
ImageRenderer Cannot Export UIKit-Backed Views
SwiftUI's ImageRenderer silently fails on views that use UIKit or AppKit under the hood, like List and ScrollView.
Combine Swift Imports with a Wrapper Module
Create a single import that re-exports all your commonly used frameworks using @_exported import.
SwiftUI Navigation: Present Data, Not Views
Understanding the mental model shift from imperative navigation in UIKit to data-driven navigation in SwiftUI.
AsyncImage Does Not Support .resizable()
SwiftUI's AsyncImage does not allow the .resizable() modifier, requiring a phase-based workaround.
Xcode 15 Brings Type-Safe Asset Catalog Access
Xcode 15 generates type-safe Swift accessors for images and colors in asset catalogs, replacing the need for SwiftGen.
Previewing Loading States in SwiftUI Without Changing Production Code
A preview-only helper that simulates network delays so you can see loading states in SwiftUI previews.
Xcode Code Snippets for Developer Warnings
Using Xcode code snippets with #warning to leave actionable reminders in your codebase.
Quick Access to Swift Evolution Proposal Summaries on GitHub
A simple URL trick to read summarized versions of Swift Evolution proposals on GitHub.
Pulsating Button Animation in SwiftUI
How to create a pulsating button effect in SwiftUI to guide users during onboarding.
SwiftUI
Use .labelStyle(.iconOnly) Instead of Nesting Image in Button
The proper SwiftUI pattern for icon-only buttons that preserves accessibility without sacrificing readability.
Building an AsyncButton in SwiftUI
A reusable button component that handles async actions with automatic loading state, disabling, and success/failure indication.
ImageRenderer Cannot Export UIKit-Backed Views
SwiftUI's ImageRenderer silently fails on views that use UIKit or AppKit under the hood, like List and ScrollView.
SwiftUI Navigation: Present Data, Not Views
Understanding the mental model shift from imperative navigation in UIKit to data-driven navigation in SwiftUI.
AsyncImage Does Not Support .resizable()
SwiftUI's AsyncImage does not allow the .resizable() modifier, requiring a phase-based workaround.
Previewing Loading States in SwiftUI Without Changing Production Code
A preview-only helper that simulates network delays so you can see loading states in SwiftUI previews.
Pulsating Button Animation in SwiftUI
How to create a pulsating button effect in SwiftUI to guide users during onboarding.
Xcode
Apple Implements Feedback Requests -- Filing Reports Works
A personal experience of having a Feedback Assistant request implemented in Xcode 26, and tips for writing effective feedback reports.
EditorConfig for Every SwiftPM Package
Why every Swift package should include an .editorconfig file to enforce consistent indentation across all contributors.
Push Notifications for App Store Reviews
How to enable push notifications for new App Store reviews in the App Store Connect app so you can respond to user feedback quickly.
Xcode Quick Help in the Sidebar
The Quick Help inspector in Xcode's sidebar auto-updates documentation as your cursor moves, removing the need to Cmd-click for docs.
Combine Swift Imports with a Wrapper Module
Create a single import that re-exports all your commonly used frameworks using @_exported import.
Multi-Line Code with Ctrl+M in Xcode 15
Xcode 15 introduces a Ctrl+M shortcut to expand function calls and parameters across multiple lines.
Search Apple Documentation with Shift+Cmd+O
Use the same Open Quickly shortcut to search Apple's developer documentation directly on the web.
Xcode 15's Format to Multiple Lines Feature
Xcode 15 adds a built-in action to reformat long function parameter lists from a single line to multiple lines.
Xcode 15 String Catalogs Replace .strings and .stringsdict
Xcode 15 introduces String Catalogs, a visual editor for managing localized strings that replaces legacy .strings and .stringsdict files.
Xcode 15 Brings Type-Safe Asset Catalog Access
Xcode 15 generates type-safe Swift accessors for images and colors in asset catalogs, replacing the need for SwiftGen.
Previewing Loading States in SwiftUI Without Changing Production Code
A preview-only helper that simulates network delays so you can see loading states in SwiftUI previews.
Speed Up Xcode Launches by Disabling Debug Executable
A hidden Xcode scheme setting that can significantly reduce app launch times during development.
Xcode Code Snippets for Developer Warnings
Using Xcode code snippets with #warning to leave actionable reminders in your codebase.