Earlier quoted context omitted.
> If I want to update Firefox on Windows XP, I can do that without Windows forcing me to update to Windows 7 ... Updating Firefox on Ubuntu 11.04 after a certain (very soon in the future) point in time necessitates an update to Ubuntu XX.YY. I'm not 100% sure about it. As it happens I run both Ubuntu 10.10 (at work) and Ubuntu 11.10. I just saw an alert to upgrade my 10.10 Ubuntu to Firefox 11. I give them major prop…
Firefox is a special case. Ubuntu specifically updates that one package more frequently. Perhaps it was a bad example as that's one of the very few packages that is singled out for frequent updates by Canonical. PPAs still aren't the best solution even if distros make them easy-to-use. The reason is that now maintainers have to get their software into two places: the core repos and now an optional up-to-date PPA. Add…
I carefully read what you wrote, and IMHO your requirements are not reasonable: in effect, you want the non-LTS releases of distros to vanish so that app providers don't have the temptation to not support previous releases.
Maybe I'm a what somebody called a "technologist" downthread.