This feature is available in Ultimate edition only.
For product owners and program managers who need to create, view, and present dates of interest, Milestones provide a flexible way to show important milestones to both external and internal audiences.
You can use Milestones to:
keep the team informed of an important date during your PI if your organization is utilizing SAFe.
provide a reminder of important events coming up such as trade shows.
provide a reminder of important date coming up such as hardware and software teams coming together.
Press the '+' in the Milestone box under the desired date range.
Double click on the desired date at the top of the timeline view.
Click the '+' sidebar panel and choose Milestone