GitLab is used only for code review, issue tracking and project management. Canonical locations for source code are still https://gitweb.torproject.org/ https://git.torproject.org/ and git-rw.torproject.org.
It would be useful if we could build and run tests for Fenix when we make changes to the source tree. We should at least build Fenix itself and run the test suite on a Gitlab CI runner.
