> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/220062) in [GitLab Ultimate](https://about.gitlab.com/pricing/) 13.3 as an [Alpha feature](https://about.gitlab.com/handbook/product/gitlab-the-product/#alpha).
> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/220062) in GitLab 13.3 as an [Alpha feature](https://about.gitlab.com/handbook/product/gitlab-the-product/#alpha).
The `gitlab-cov-fuzz` tool emits a JSON report file. For more information, see the
[schema for this report](https://gitlab.com/gitlab-org/security-products/security-report-schemas/-/blob/master/dist/coverage-fuzzing-report-format.json).