Karl Sorochinski

Home

Feature Flags and the Illusion of Control

Summary

In May 2017, feature flags were all the rage in engineering circles. They promised flexible rollouts, safe experimentation, and faster deployment cycles. But as usage skyrocketed, many teams lost control. Flags multiplied, went undocumented, and stayed long past their usefulness. Bugs emerged that were impossible to trace. This post reflects on how smart teams learned to manage flag sprawl by auditing usage, assigning ownership, and building processes to clean up behind the magic.

18-Month Update

By late 2018, tools like LaunchDarkly and internal flag registries gained popularity. Organizations began treating feature flag management as a product discipline in itself.

2025 Insight

Today, responsible teams treat feature flags as temporary tools with a lifecycle. The rest still risk drowning in flag debt — or worse, shipping bugs only some users ever see.

Full Article

Loading content...