info: "See the Technical Writers assigned to Development Guidelines: https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments-to-development-guidelines"
description: "Understand what 'GitLab features deployed behind flags' means."
---
# GitLab functionality may be limited by feature flags
> Feature flag documentation warnings were [introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/227806) in GitLab 13.4.
GitLab releases some features in a disabled state using [feature flags](../development/feature_flags/index.md),
allowing them to be tested by specific groups of users and strategically
rolled out until they become enabled for everyone.
As a GitLab user, this means that some features included in a GitLab release
may be unavailable to you.
In this case, you'll see a warning like this in the feature documentation: