You can change information for an issue. You can also change the users and teams assigned to an issue.
Click Files in the side panel. (If Files is not shown, see Customize the Side Panel for details on how to add it.)
Open a file.
In the Issues panel, hover over an issue, then click .
Change the issue information as need.
To change the assignees:
Click + . The Edit Issue window opens.
Start typing a user or team name. A list of matching names appears that you can select from.
The selected assignees are shown below the Assignees field. To remove an assignee, hover over the assignee, then click X.
When you’re done adding assignees, click Save.
Click Save.