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Progressive delivery and feature flags

Track rollbacks, automatic halts and stale feature flags across deployments.

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Delivery & developer experience

How it's worked out

  • Rates = events ÷ deployments. Stale share = flags older than 90 days ÷ flags
  • One quarter
NoteAutomatic halts are good news: they stop a bad release before most users see it. Stale flags are hidden branches that make code harder to test.

Source: Continuous delivery practice (Humble and Farley); feature flag hygiene practice

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