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: AVAudioPlayer.stop() Does Nothing Because the Players Array Is Empty in SwiftUI
Why your SwiftUI game keeps playing sounds after calling stop(): the players array is empty because a second AVAudioPlayer is created outside…
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How to Convert Int to String and Vice Versa in Swift
Learn the definitive ways to convert Int to String and String to Int in Swift. Master initializers and type casting for robust…
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Fix: SwiftUI Popover Text Truncated Instead of Wrapping
Stop SwiftUI popovers truncating long text. Use a custom Layout to size the popover to its content, with a max width, no…
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Fix: UILabel Text Vertically Centered Instead of Top-Aligned in UIKit
UILabel has no vertical alignment property. Learn how to top-align text with sizeToFit, Auto Layout timing, and modern alternatives that actually work.
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Fix: CBCentralManager State 2 (Unsupported) and No Bluetooth Permission Prompt on iOS 18
Learn why your iOS app never asks for Bluetooth permission and CBCentralManager reports state 2, and how to fix the Info.plist key…
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Fix: Command PhaseScriptExecution failed with a nonzero exit code in Xcode
Troubleshoot and resolve the Command PhaseScriptExecution failed with a nonzero exit code error in Xcode, commonly related to CocoaPods and framework embedding.
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Fix: TabView Blur Behind Navigation Bar Turns Into a Hard Cut on iOS 26
Learn why a paged TabView inside NavigationStack breaks the scroll blur behind the nav bar on iOS 26 and how to fix…
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How to Split a String into an Array in Swift
Learn the modern and efficient ways to split a String into an array of substrings in Swift using split() and components(separatedBy:).
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Fix: SwiftUI Form Section Buttons Not Horizontally Centered
Why buttons and text in a SwiftUI Form Section hug the leading edge, and the frame and Spacer tricks that actually center…
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Fix: No Such Module Social Error in Xcode Swift Projects
Fix the ‘No such module’ error in Xcode by setting Framework Search Paths, opening the right workspace file, and cleaning stale build…
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.