That's great. I was referring to the whole stack. Should I upgrade all my hosts, docker, kubernetes, openshift, gitlab, mattermost ... what would be the chance

That's great. I was referring to the whole stack. Should I upgrade all my hosts, docker, kubernetes, openshift, gitlab, mattermost ... what would be the chances of something to break to the point of ruining my day/week. Not everything is merely "apt-get upgrade"-able alas.