Update to gitlab 10.4.0 scheduled for 2018-01-23 21:00 UTC. Release notes: https://about.gitlab.com/2018/01/22/gitlab-10-4-released/

Tags give the ability to mark specific points in history as being important
Repository has no tags yet.
Use git tag command to add a new one:
git tag -a v1.4 -m 'version 1.4'