Sure, though if your back-end has multiple services this becomes harder. If your back-end uses more than one server, then you can run into issues. Feature flag

Sure, though if your back-end has multiple services this becomes harder. If your back-end uses more than one server, then you can run into issues. Feature flags also let you do partial rollouts, where you release to 0.1% of users and see if stuff breaks. Or A/B test to see if your feature improves whatever its meant to improve. It also lets you roll out the feature selectively to certain users if it's a breaking changes and each user needs time to migrate.