iOS Universal Links debugging: Associated Domains, AASA (apple-app-site-association), deep links, Notes long‑press checks, Developer Universal Links diagnostics, swcd / sysdiagnose, redirects & MIME type fixes—practical troubleshooting for Swift/SwiftUI apps.
swift ios apple deep-link swiftui apple-app-site-association universal-link aasa ios-debugging associated-domains
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Updated
Apr 23, 2026