Recovering from Crashes with Safe Mode

Feature flags are everywhere in modern software development: They’re a great tool for running A/B experiments, slowly rolling out changes to users, and even turning off problematic codepaths during incidents. When an engineer implements a new feature, it’s practically second-nature to gate it behind a feature flag.While this practice is largely beneficial for the most part, incidents are occasionally caused when a feature flag enables a buggy codepath and causes a crash or an otherwise degraded ...