LaunchDarkly experienced an issue where editing flag variations between experiment iterations caused sample ratio mismatches (SRMs) or empty experiment results for some customers. The service implemented a fix to prevent the issue in new experiments and then validated a complete resolution for all affected experiments. The incident lasted 27.9 hours and impacted only a small subset of experimentation customers.
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We have validated a fix to resolve all remaining experiments with inaccurate sample ratio mismatches (SRMs) or empty experiment results. The vast majority of experiments and experimentation customers were not impacted.
We've released a fix to prevent this issue in new experiments and iterations. We're working to resolve this issue for experiment data recently processed.
We've identified the issue and are implementing a fix for this behavior.
We are aware of an issue affecting some customers that may result in sample ratio mismatches (SRMs) or empty experiment results if flag variations are edited between experiment iterations.
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