Milestones are a collection of similar issues and pull requests that typically have a deadline.
On GitHub Enterprise, navigate to the main page of the repository.
In the repository's right sidebar, click Issues or Pull requests.
Select the checkbox next to the items you want associated with a milestone.
- In the upper-right corner, click Milestone, then start typing the name of an existing milestone. Click the milestone's name to associate it with the item.
As you're working on issues and pull requests, you can track the progress of your milestone.