I updated Chromium in 12.04 with apt-get from the official repositories and chromium-browser --version say Chromium 20.0.1132.47 Ubuntu 12.04. but "About Chromium" from the browser itself say 18.0.1025.168 (Developer Build 134367 Linux) Ubuntu 12.04
While Chromium team ppas won’t release new versions of Chromium browser, Alex Shkop will try to maintain more-or-less fresh releases of Chromium. Two PPAs were built for Chromium stable and Chromium development version.
Install Latest Version of Chromium:
For now, two PPAs only provide packages for Ubuntu 12.04. Launch a terminal from the dash home or press Ctrl+Alt+T.
So I've seen it stated a few places that Chromium OS is a spin-off of Ubuntu. (See, for example, this diagram or this article.)
Now I've never used Chromium OS (and I'm not even sure if it's released, yet), but I have to wonder: how is a browser-only OS based on a full-featured desktop OS? What components of Ubuntu could possibly be useful for Chromium OS?
This is the portable edition of the new Chromium 12.0. Chromium is a powerful, simple and fast internet browser for Windows. With this portable edition, you can bring Chromium with you in a flash disk, no installation required. Chromium will totally change the way you browse the web, download software and bookmark your favorite website. [...]
Chromium doesn't seem to have any obvious MIME-type configuration settings, which strikes me as a little broken. My specific problem is that there are a number of filetypes that Chromium plays in-browser that I'd rather either download or associate with whatever my system-default MIME-type would suggest.