Design Patterns · Middle · Question 70 of 75

Why do old feature flags become technical debt?

✓Correct answer: Every flag doubles possible code paths; flags that are always on must be removed with their dead branch
2Flags slow down the browser
3Flags can't be tested

Explanation

Track flags with an owner and an expiry date, and remove release toggles right after a full rollout.

Further reading

Martin Fowler: Feature Toggles ↗

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