Fix ITMS-90426 Invalid Swift Support on App Store Upload
App Store Connect rejects your IPA with ITMS-90426 Invalid Swift Support when the SwiftSupport folder is missing. The fast fix plus six root causes, diagnosis commands, and a clean rebuild.
#ios
Articles tagged with #ios
ATT Prompt Never Appears: Diagnose and Fix
ATTrackingManager.requestTrackingAuthorization returns notDetermined or denied with no dialog because of app state, the device toggle, Info.plist, or call site. Verified fixes for June 2026.
App Crashes on Launch: Missing NSXxxUsageDescription Fix
iOS kills the app the instant a privacy-protected API runs without a matching Info.plist usage description. Read the exact missing key from the device console, add it, confirm it survives the archive, and ship.