Leads and lags appear as mystery elements in reports. I prefer to add them as separate activities to make the lead or lag, plus dependencies, clear. I am thinking about the mouseover info you get in Web sites.
When I drag the ProjectLibre application window to a second/external display, the window turns black - this is true when the laptop's display is the primary display. Am running Windows 10 on an HP Zbook. Both the laptop and external display are