AIMeta Engineeringabout 2 hours ago
Meta Deploys AI Bug Catching at Scale
6 min read
Meta deployed Catching JiTTests into production infrastructure, utilizing large language models to generate tests that catch bugs before code lands. As of this writing, 589 engineers engaged with the system, which reported a 60% true positive rate. In the first half of 2026, the tool caught 74 serious privacy bugs, lowering overall occurrences by 20%.
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