On Fri, Feb 21, 2014 at 7:53 AM, Colin Walters <walters@verbum.org> wrote:

There's also OSTree - it's a more invasive vision, as it forces *every upgrade* to be atomic, and at present, you need to reboot.  But on the plus side, every upgrade is atomic =)  And by virtue of being constantly used, it's also constantly tested in real world scenarios.

I should also mention that it actually works today.  See:
http://rpm-ostree.cloud.fedoraproject.org/#/
for demo VM images to download (and if you're brave, you can install on bare metal).

Also, the video from devconf.cz is online now:

http://www.youtube.com/watch?v=Hy0ZEHPXJ9Q