Pattern 88 / RELEASE
Use this when Changing behavior without redeploying.
Feature Flag fits when Changing behavior without redeploying. Mechanism: Gate behavior behind dynamic configuration scoped by user, tenant, region, or percentage. Use it for Rollouts, experiments, kill switches, migrations. The toll: Flag debt and inconsistent states need lifecycle management.
Rollouts, experiments, kill switches, migrations.
Use feature flag when rollouts, experiments, kill switches, migrations..
Describe the pressure first, then the mechanism, then the cost. That keeps the design grounded.
Same pressure family