Tags give the ability to mark specific points in history as being important
Debian release 1.18.0-2~bpo9+1
Debian release 1.18.0-1~bpo9+1
Debian release (to experimental) 1.10.1-1~exp1
Debian release (to experimental) 1.10.0-1~exp1
Debian release 1.8.1+dfsg1-3+deb8u1