Yeah, the box is set to Public. Not sure why the discrepancy but this was set a few years ago and has seen 100s of GitLab updates in the meantime. Anyway, thanks in advance for any contribution We don't have proper instruction for testing the UI but you can do this: npm install gulp develop --api-origin=https://my.domain.com This then runs a local dev server at localhost:4000 which you can use for testing.