After setup, it will automatically create Streams.
You can see the issues/pull requests that are relevant to you. Basically, you can look at this stream and you won't miss anything.
You will also see issues filtered by
Issues that are maintained by the team you are on. You will also see issues filtered by team.
Issues from the repositories you have recently been active in. You can also see a filtered issues for each repository.
The following operations are particularly useful for viewing issues
How to operate
Show only unread issues
Set the issue back to unread
Click the unread icon on the floating menu.
Comments that have been added or updated since the last time you viewed the site will be highlighted.