A detailed account of what engineering teams experience when they undertake a large-scale feature flag cleanup, including the surprising metrics improvements and lessons learned.

Feature FlagsTechnical Debt

June 12, 20256 min read

The $460M Feature Flag: Stale Flags Are Ticking Time Bombs

Knight Capital lost $460M in 45 minutes from one stale feature flag. Learn the critical lessons every engineering team needs.

Feature FlagsTechnical Debt

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Real-World Feature Flag Stories

Learn from real companies' experiences with feature flags - both successes and catastrophic failures.

January 22, 202613 min read

What Happens When You Remove 500 Stale Feature Flags

A detailed account of what engineering teams experience when they undertake a large-scale feature flag cleanup, including the surprising metrics improvements and lessons learned.

Feature FlagsTechnical Debt

June 12, 20256 min read

The $460M Feature Flag: Stale Flags Are Ticking Time Bombs

Knight Capital lost $460M in 45 minutes from one stale feature flag. Learn the critical lessons every engineering team needs.

Feature FlagsTechnical Debt