“In his recent article Why I won’t upgrade my Linux distribution
Nathan Willis argues that there are many reasons not to upgrade
your Linux-based system frequently. What he is really talking about
is the proverbial RPM Hell and the not-so-good fragmentation of
RPM-based distributions. Packages not part of your distribution
might easily be broken by a system upgrade. Even parts of the
distribution can stop working due to the upgrade. But RPM-based
distributions are not the same as Linux.“There are many reasons why a Linux system should be upgraded
frequently, security issues being the most important. While we
Linux users don’t experience virus problems very often, there are
exploits, root kits, and other such nuisances. Skipped system
upgrades are a risk…”