Display scoped labels inside GitLab with the help of Greasemonkey (ff)
https://sleeplessbeastie.eu/2021/11/29/how-to-display-scoped-labels-inside-free-version-of-gitlab/
Install Greasemonkey Firefox extension by Anthony Lieuallen
Add gitlab-scoped-labels.js user script and modify @include line to use this script on specific GitLab instance.
Create scoped labels like scope::label and enjoy!