Online Evaluation and Controlled Rollout
An offline gate passes, but customers rephrase, outcomes arrive late, and thumbs-down rates mislead. Measure task outcomes, size each rollout stage, and write rollback criteria before exposure.
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Canary Deployment
Understand how a canary deployment limits initial exposure while comparing a candidate with the current release.
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Progressive Delivery and Compatible Changes
Deploying an artifact does not decide who sees it or whether old and new versions can coexist. This guide covers canaries, flags, compatibility, telemetry and rollback.