oneeyedjohn:
When I worked in IT, an upgrade of any sort was always documented. Changes to any program had to be reversible.
One always had to have a working system.
Just because things aren't documented 'in the forums' doesn't mean things aren't documented. Anyone writing software of any kind with half a brain, keeps change logs of said software.
Sometimes, changes need to happen that the world doesn't need to know about. i.e. maintenance