On December 19, this GitLab instance will be moved to es-git.cs.uni-tuebingen.de. Scheduled downtime: 19.12.2022 - 21.12.2022

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'