Tags give the ability to mark specific points in history as being important
ffmpeg Debian release 7:3.0.5-0ubuntu0.16.10.1
ffmpeg Debian release 7:3.0.2-1ubuntu3
ffmpeg Debian release 7:2.8.10-0ubuntu0.16.04.1
ffmpeg Debian release 7:2.8.9-0ubuntu0.16.04.1