To turn on ticket hover over:
Click Settings
Select Advanced Settings
Click Configure Hover Over Content
To edit ticket hover over content:
Click Settings and Advanced Settings
Click Configure Hover Over Content
Select the desired hover over content
Click Save
Move the mouse over the desired ticket to have the information display
Note: this is currently a desktop-only feature.
Note: to disable the ticket hover over, click on Plan Actions and select Disable Hover-Over