If you're responsible for a power station, satellite etc. then OK, better the devil you know than the possibility of a destabilising bug among all the new features and bug fixes. But for your laptop?
Tip: use ansible to configure your personal machine. Once every six months you boot into the live media, install, reboot, run ansible, reboot, done. You'll spend more time boiling a kettle and drinking a beverage than fettling a new release, and no more time trying to hand install the latest version of package X on a 3 year old base OS.