A feature flag or some call it a feature toggle is a conditional switch in your code that lets you control whether a feature is active internally or to users. They can be used for any part of the tech stack delivery including a CI/CD pipeline or test strategy.
Most commonly used to:
Most commonly used to:
- Gradually roll out features to users
- Test in production safely
- Hide unfinished work
- Run A/B or Multivariant testing/experiments
Why it’s useful for testers (TEVS) :
- Test new features in isolation
- Enable controlled anomaly detection in Observability
- Validate behavior across different toggle states
- Simulate different user experiences without multiple builds
