Tags give the ability to mark specific points in history as being important
Debian release 3.1+dfsg-8+deb10u7
Debian release 3.1+dfsg-8+deb10u6
debian release 3.1+dfsg-8+deb10u5
Debian release 4.2-6
Debian release 4.2-3
Debian release 2.8+dfsg-6+deb9u9