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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People & Pets Not Indexing in Photos? 5 Fixes That Work
Faces and pets missing from the Photos app? Here is how to force face indexing to restart, why it stalls, and what…
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iPhone Stuck on Updating Screen After Failed Update? 6 Fixes
iPhone frozen on the updating screen or looping back to recovery mode? Here’s how to force restart, retry the update from a…
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Apple Mail Making Scam Emails Look Real? 5 Fixes
Apple Intelligence summaries can make a phishing email look trustworthy. Turn off the highlighting, report junk properly and check a sender before…
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Xcode 27.1: Catalyst Build Errors and Simulator Gaps
Xcode 27.1 ships Swift 6.4 and the iOS 27.1 SDKs. See the Mac Catalyst compile errors, missing run destinations, iPhone Duo Simulator…
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Fix: Xcode Cloud Workflow Creation Blocked by Open Source Dependency Access in Xcode 27
Create Xcode Cloud workflows when blocked by open source dependencies like Swift-Syntax. Two workarounds for Xcode 27’s repository access requirement.
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Fix: Sheet presentationSizing Fitted Height Broken by NavigationStack in SwiftUI
Learn why presentationSizing(.fitted) fails with NavigationStack in SwiftUI sheets and the overlay workaround to restore proper height on iPadOS 18+.
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Fix: TextField Scroll Delay Above Keyboard in SwiftUI List
Eliminate the 0.5-second delay when a TextField in a SwiftUI List scrolls above the keyboard. Two proven fixes with code.
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Fix: Cannot Assign CGRect Property to Variable in Switch Statement
Learn why assigning CGRect.width to a variable fails and how KeyPath solves dynamic axis selection cleanly.
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Fix: SwiftUI Child View Changes Not Propagating to Parent State Array
Learn why SwiftUI child view modifications to struct properties don’t update the parent array and how to fix it using @Binding and…
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Fix: Stale AppEntity displayRepresentation in WidgetKit Edit Sheet After Data Changes
WidgetKit caches the selected entity’s display representation. Learn why the edit sheet shows old names and the workaround to force a refresh.
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.