Xcode · Swift · iOS · macOS
Fix Xcode errors, Swift bugs & iOS problems, fast.
Step-by-step fixes for build errors, code signing, SwiftUI, App Store Connect and the bugs that come with every new iOS and macOS release.
Browse by topic
For developers
Xcode Errors
Build failures, code signing and provisioning, simulator problems, archive and upload errors.
For developers
Swift & SwiftUI
Swift and SwiftUI explained with working code: concurrency, data flow, navigation, compiler errors.
For developers
App Store & TestFlight
App Store Connect, TestFlight builds, App Review rejections and StoreKit issues.
For iPhone & iPad
iOS Fixes
Battery drain, Wi-Fi, Bluetooth, storage and app problems after iOS updates.
For Mac
macOS Fixes
macOS update problems, Finder, external drives, storage and apps that won’t open.
What’s new
Developer Updates
New Xcode, SDK and OS releases: what changed, known issues and what to update.
Latest guides
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Fix: UIImage tintColor Not Applying in UIKit and watchOS
Fix issues where UIImage tintColor does not apply in UIKit or watchOS. Learn how to configure template rendering in Swift code and…
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How to Convert UIImage to Base64 Strings in iOS
Learn how to convert UIImage to a Base64 string and decode Base64 back into an image in Swift. Handles JPEG, PNG, data…
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How to Add Text Margins to a UILabel in Swift
Learn how to add internal padding and text margins to a UILabel in Swift using custom insets, intrinsicContentSize overrides, and NSAttributedString.
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Fix: Missing Compliance Status in TestFlight
Resolve the Missing Compliance warning in TestFlight by updating your Info.plist or answering the export compliance prompts in App Store Connect.
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How to Check the Swift Version in Xcode and Terminal
Learn how to find your active Swift version in Xcode build settings, via Terminal with xcrun, and programmatically with Swift compiler directives.
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Fix: AVAudioPlayer Fails to Play Sound in Swift
Resolve silent audio issues with AVAudioPlayer in Swift. Learn how to prevent ARC deallocation, configure AVAudioSession, and load bundle resources.
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How to Record iOS Simulator Video for App Store Previews
Learn how to capture full-resolution iOS Simulator video for App Store Previews using Simulator shortcuts and the xcrun simctl command-line tool.
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Fix: File not found libarclite_iphoneos.a in Xcode
Resolve the ‘File not found: libarclite_iphoneos.a’ build error in Xcode when compiling legacy CocoaPods dependencies targeting older iOS releases.
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Fix: Navigation Bar Stays Hidden on Subsequent Screens in Swift
Fix the issue where hiding the navigation bar on one view controller leaves it hidden across all pushed screens in Swift and…
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How to Iterate Over Enum Cases in Swift
Learn how to iterate over Swift enum cases using CaseIterable. Fix ‘does not conform to Sequence’ errors and populate SwiftUI Pickers and…
Built from real problems
Every guide starts from an actual error message, release note or issue developers and users are hitting right now.
Fix first, theory second
A quick answer at the top, then the fixes in order of what’s most likely to work, with code you can copy.
Sources you can check
We link Apple’s release notes and the original discussions, and update guides when new versions change the answer.