Can't assign issue to contributor
In GitLab, we can track all the issues that are being worked on. As an open source project, it is important to have many contributors, to ensure a healthy ecosystem. They can take up part of the work, as the project committers can't do everything.
However, we can assign issues only to committers. Contributors thus have to add a comment to the issue to indicate they are working on an issue. See e.g. eclipse/escet/escet#55 (comment 6179).
Also, in a GitLab milestone, the issue will belong to the 'Unstarted Issues (open and unassigned)' category, rather than to the 'Ongoing Issues (open and assigned)' category, as nobody will be assigned to it. See e.g. %v0.2 in eclipse/escet/escet.
It would help if issues could be assigned to contributors as well. That way, it is clear who is working on an issue. It would also provide a better overview in the GitLab milestone overview for a certain release.
Could this be configured? Is it possible at all?