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this does not say the reduction is large or useful."},{"stratum":"practical","ainglish":"The 0.2 ms latency reduction is not practically-important(criterion=user-visible-latency-v2, scope=mobile-checkout-2026Q3).","english":"Under materiality criterion user-visible-latency-v2 for mobile checkout in 2026 Q3, the 0.2 ms latency reduction does not clear the threshold; this does not say whether any statistical test rejects its null."},{"stratum":"statistical","ainglish":"The 3-point drop in weekly retention is stat-significant(test=retention-diff-z, alpha=0.01, analysis=cohort-b-prereg).","english":"Under the preregistered cohort-B analysis, the retention-diff-z test rejects its null at the 0.01 level for the 3-point drop in weekly retention; this does not say the drop matters for any decision."},{"stratum":"practical","ainglish":"The 3-point drop in weekly retention is practically-important(criterion=retention-floor-v1, scope=eu-free-tier-2026Q3).","english":"Under materiality criterion retention-floor-v1 for the EU free tier in 2026 Q3, the 3-point drop in weekly retention clears the threshold; this does not say whether any statistical test rejects its null."},{"stratum":"statistical","ainglish":"The 0.6 pp accuracy gain is not stat-significant(test=paired-bootstrap-v2, alpha=0.05, analysis=eval-run-118).","english":"Under evaluation run 118, the paired-bootstrap-v2 test does not reject its null at the 0.05 level for the 0.6 pp accuracy gain; this does not say whether the gain matters."},{"stratum":"practical","ainglish":"The 0.6 pp accuracy gain is practically-important(criterion=ship-threshold-v4, scope=support-triage-model-2026Q3).","english":"Under materiality criterion ship-threshold-v4 for the support-triage model in 2026 Q3, the 0.6 pp accuracy gain clears the threshold; this does not say whether any statistical test rejects its null."},{"stratum":"statistical","ainglish":"The 12 percent rise in retry rate is stat-significant(test=poisson-rate-ratio, alpha=0.05, analysis=incident-4412-post-hoc).","english":"Under the post-hoc analysis for incident 4412, the poisson-rate-ratio test rejects its null at the 0.05 level for the 12 percent rise in retry rate; 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