Another approach is to use git commit IDs and/or git tags to track releases, then display that data (and commit date) in a template, only to superusers or some group. I did a little blog post about this recently:
http://blog.birdhouse.org/2016/04/22/django_git_template_tag/ ./s -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/33efe23d-7ed7-4358-9ff1-7b41495b93e7%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.

