Introducing a smarter algorithm in Crashlytics

Crashlytics is automatically introducing a smarter event-grouping algorithm designed to improve how crashes, non-fatals, and ANRs are organized into issues, helping developers identify and prioritize app failures more accurately. The previous approach often relied on a single shared code line, which could split events from the same root cause into duplicate issues or combine unrelated failures into one issue, particularly after line-number changes or when errors passed through common handlers. The updated system evaluates multiple event characteristics, including stack-trace frames, exception messages, error codes, platform details, and error types, while selecting the most relevant frames for analysis. It also adds variants, which are subgroups within an issue that share a failure point and similar stack traces, enabling investigation of potentially distinct root causes. Existing issues will remain unchanged, while incoming events will first be matched against old issues and otherwise processed through the new algorithm, gradually adding new-style issues with clearer titles, expanded metadata, stronger search capabilities, fewer duplicates, and more meaningful alerts.

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