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.
And probably in other languages, I did not test with a lot of languages (only en-GB, ru, fr, de).
Version: Tor Browser alpha Android: 10.0a8 (81.1.2-Beta) (Build #2015713931)
Steps to reproduce: