The "Pipeline schedules" link has disappeared but the page is still accessible

I used to see the "Pipeline schedules" under the "CI / CD" project menu, but it seems to have disappeared in a recent deployment (it was there a few hours ago):

The page (https://gitlab.com/gitlab-org/gitlab/pipeline_schedules) is still accessible, though, so it seems like a ~"UX Bug":

This currently happens in Canary and Production.