Crashlytics your way: Your most important crashes with Custom Keys
summary
Firebase Crashlytics now lets teams filter crashes by custom keys so you can tie crashes to feature flags, network state, locale, ABI, install source and other app‑specific metadata and quickly surface regressions caused by a rollout the dashboard shows session data for matching crashes a builder API adds keys in bulk iOS supports calling modify previous crash report after restart beware a limit of 64 keys and avoid putting PII use ConnectivityManager instead of TelephonyManager for Android network state.
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