...This is a really fast operation brought to you by microcode.ctl (in Ubuntu), and it permits to avoid waiting for an updated closed-source BIOS to solve bugs; it downloads the last microcode for your Intel or AMD CPU every time you update your system, and it installs it on every OS startup.
This little script is designed to give you a way to see what's happening with CPU updates. On every startup, a popup notification throught libnotify shows you the old revision of the firmware, the newer version applied while booting and the releasing date of the last update. ...