used to be ( workwise ) a month of calmness and relaxation. There were change freezes, lack of funding till the new year and all sorts of reason why work was a bit slower in the last 3 weeks of the old year.
Few years ago this changed, now everyone is trying to get emergency changes in and trying to get a headstart to new projects. With people being out this will stress the few that are left working out.
Hopefully 2019 will be a little bit stressful.