Stories from the Factory Floor: Our AI software factory saved me from an incident and I lived to tell the tale
Blog post from LaunchDarkly
A LaunchDarkly engineer describes how an apparently routine frontend migration from an older API to a newer one introduced production errors, but a feature flag and automated guarded release limited exposure and rolled back the change after 13 of 243 affected users encountered errors while none of 250 control users did. Using a release dashboard screenshot, Claude queried Datadog and quickly identified that the new backend endpoint was incorrectly applying an entitlement check that the old endpoint lacked, causing authorization failures for some users. After the check was removed from the read path, the release was restarted successfully. The experience illustrates LaunchDarkly’s AI-powered software factory approach, in which runtime controls, progressive traffic rollout, metric monitoring, and automatic rollback help make deployments safer, alongside internal efforts to automate flag creation, guarded releases, and later cleanup.
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