Feature-Flags
Change Log
September 1, 2026
The feature-flags service is ready for production use
Feature flags for services outside the monolith are now available to all of GitLab engineering — define a flag in git, evaluate it with the LabKit client, and de-risk your next rollout.
Change Log
August 31, 2026
Feature flag strategy and how-to guide
The feature flag strategy page is fully fleshed out, and a new how-to guide walks the full flag lifecycle for services on the platform.
How-to guides
Use feature flags in your service
Define a flag in the feature-flags repository, evaluate it with the LabKit client, toggle it with a merge request, and delete it when the rollout is done.
Strategies
Feature Flag Strategy in Theseus
An overview of how feature flags will operate in Theseus for application developers