Tuff Client Beta 11 Fix -

Tuff Client Beta 11 Fix: A Solid Review

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9. Example Fix Case Study (concise)

• Symptom: App crashed on first launch for users with legacy settings file.
• Diagnosis: Migration function assumed a JSON field existed; nil deref crashed during startup.
• Fix: Add presence checks and fallback defaults; wrap migration in try/catch and log corrupt file path to quarantined folder.
• Tests: Added unit tests for missing-field variants and an integration test migrating a 3-year-old fixture.
• Outcome: Crash rate dropped to baseline; no user data lost; patch rolled out to 30% then 100% after 24 hours.

Conclusion