← Glossary
Feature Flag
A toggle that turns a feature on or off in production without deploying new code, letting you ship code dark and release the feature separately.
Feature flags decouple deploying code from releasing a feature to users — new code can be merged and deployed dark (flag off), then enabled for a small group, then everyone, without a separate deployment for each step. This also gives an instant rollback for a problematic feature: flip the flag off, no redeploy needed.
Where this shows up in practice
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