> Which never happens,
It has happened to me, an update broke my sound card and I didn't know until I tried to use it at a time that was extremely inconvenient to me.
> Submit a bug for a DE, and they might tell you to install the newest version to replicate it there (yet you're on Ubuntu...)
Known bugs have known work arounds, I can deal with that. What I can't deal with is surprise new bugs in cutting edge software.