# Now you see me, now you don't: feature-flagging with LaunchDarkly at incident.io

DevFeed: [Now you see me, now you don't: feature-flagging with LaunchDarkly at incident.io](<https://devfeed.tech/articles/now-you-see-me-now-you-don-t-feature-flagging-with-launchdarkly-at-incident-io-11775.md>)

Original publisher: [Read original article](<https://incident.io/blog/feature-flagging-launch-darkly>)

Author: Sophie Koonin

Published: 2021-11-09T00:00:00Z

Content type: article

Language: en

Sources: [The incident.io Blog](<https://devfeed.tech/sources/the-incident-io-blog.md>)

Topics: [feature flags](<https://devfeed.tech/topics/feature-flags.md>), [Pull Request](<https://devfeed.tech/topics/pull-request.md>), [Code](<https://devfeed.tech/topics/code.md>), [App](<https://devfeed.tech/topics/app.md>), [systems](<https://devfeed.tech/topics/systems.md>)

Tags: [app](<https://devfeed.tech/tags/app.md>), [code](<https://devfeed.tech/tags/code.md>), [feature](<https://devfeed.tech/tags/feature.md>), [feature-flagging](<https://devfeed.tech/tags/feature-flagging.md>), [feature-flags](<https://devfeed.tech/tags/feature-flags.md>), [incident](<https://devfeed.tech/tags/incident.md>), [incident-channel](<https://devfeed.tech/tags/incident-channel.md>), [incident-management](<https://devfeed.tech/tags/incident-management.md>), [incident-response](<https://devfeed.tech/tags/incident-response.md>), [outage](<https://devfeed.tech/tags/outage.md>), [post-mortem](<https://devfeed.tech/tags/post-mortem.md>), [production](<https://devfeed.tech/tags/production.md>), [pull-request](<https://devfeed.tech/tags/pull-request.md>), [slack-incident](<https://devfeed.tech/tags/slack-incident.md>), [systems](<https://devfeed.tech/tags/systems.md>)

## AI overview

The article explains how incident.io uses feature flags to ship small, incremental changes rapidly while hiding unfinished features from customers. It discusses boolean flags, pull-request size and reviewability, long-lived branches, and the choice between building or buying a feature-flagging system.

## Source excerpt

At incident.io, we ship FAST. Find out how feature flags allow us to keep changes small and incremental while also hiding unfinished features from customers.