Feature Flag Best Practices: 7 Common Mistakes to Avoid
· 12 min read
Feature flags (also called feature toggles) let development teams release features safely without redeploying code. They power gradual rollouts, A/B testing, and fast rollbacks when things go wrong.
But as systems grow, feature flags often become a source of hidden complexity. Flags pile up, naming breaks down, and unclear ownership leads to risky changes in production. What starts as a simple toggle system can quickly turn into long-term technical debt.
This guide walks through seven common feature flag mistakes and the best practices to avoid them, so your system stays clean, predictable, and safe to work with.
