* For a project attribute the setting `Admins only` is renamed to `Restricted visibility`.

* There are two new global permissions:

* View restricted project attributes

* Edit restricted project attributes

* Begin of the deletion There is a new project permission:

* View restricted project attributes

* Edit restricted project attributes

* End of the deletion To see or edit restricted project attribute the user needs the global permissions **and** Begin of the insertionanyEnd of the insertion Begin of the deletion theEnd of the deletion project Begin of the insertionpermission.End of the insertion Begin of the deletion permissions.

* A user that does not have both permissions can not see/edit the restricted project attributeEnd of the deletion

* The permissions are enforced in all relevant views:

* Project overview

* Project list

* API

* Administrators can still see all project attributes