You can activate the compact view of the weekplanner as followed:
Go to the weekplanner.
In de side bar click on the "view settings" .
Select "compact view" .
The difference between the regular view and the compact view
Regular view
Compact view
The number of planned hours is no longer displayed (under the name of employee).
The overtime counter is no longer visible (under the name).
The bars for the working hours are narrower.