> The A/B upgrade sounds a bit overkill, you can always just pop up a live distro or install a recovery system (on an old version) in a partition in case someth

> The A/B upgrade sounds a bit overkill, you can always just pop up a live distro or install a recovery system (on an old version) in a partition in case something goes wrong. You and I can, the overwhelming majority of computer users cannot. Valve clearly focuses on building for the average person, something that Linux distributions (as much as I love them) still don’t really do (well). The system automatically recovering from a failed upgrade is essential in a low-maintenance OS at this point.