Feature flag documentation warnings were introduced in GitLab 13.4.
GitLab releases some features in a disabled state using feature flags, 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:
In the version history note, you’ll find information on the state of the feature flag, including whether the feature is on (“enabled by default”) or off (“disabled by default”) for self-managed GitLab instances and for users of GitLab.com. To see the full notes:
Click the three-dots icon (ellipsis) to expand version history notes:
Read the version history information:
If you’re a user of a GitLab self-managed instance and you want to try to use a disabled feature, you can ask a GitLab administrator to enable it, although changing a feature’s default state isn’t recommended.
If you’re a GitLab.com user and the feature is disabled, be aware that GitLab may be working on the feature for potential release in the future.