We have received reports from our users that it would be helpful to receive notifications of a due date coming up on a specific path. Additionally, if the control panel user (CPU) was notified (some sort of reminder) when someone progresses to a certain step on a path. In general, users are showing interest in reminder type notifications for path movement and path due dates.
Thanks Alex! Please follow "Option for 'Due date' on paths and path steps to generate a reminder" for updates.