Unable to change project's path using project REST API

Summary

It seems it is not possible to change project's path using project REST API, even when calling it as an owner. There is no error or anything, call simply does not do anything. Even more interesting is that if any other project field is attempted to be changed at the same time, it is silently ignored as well. If I remove path from the request, then other changes go through.

Steps to reproduce

• Use edit project REST API.
• Try to change path to something new.

What is the current bug behavior?

Nothing happens. Even other fields you might include in the same request do not change anything.

What is the expected correct behavior?

Path is changed. Other fields included in the same request have an effect, too.

Output of checks

This bug happens on GitLab.com