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.
While I was watching a friend opening their out-dated Tor Browser, I realized they didn't pay attention to the big warning:
So I thought maybe one way to fix it, is to fade everything else on the page with CSS. I might try to send a patch later on, but feel free to beat me to it.