You can only assign or unassign issues to an individual user.
Assign an issue
Select Issues in the sidebar or select it in More .
Report an issue or select an existing issue.
In the 'Details' section, click
Add assignee or the existing assignee.
In the dropdown menu, select the user you want to assign.

You won’t receive a notification when you assign an issue to yourself.
Unassign an issue
Select Issues in the sidebar or select it in More .
Report an issue or select an existing issue.
In the 'Details' section, click the existing assignee.
In the dropdown menu, click Clear .

Bulk edit issue assignees
Select Issues in the sidebar or select it in More .
Select the issues you want to delete by checking the boxes on the left-hand side of each issue.
Click Edit Assignee at the bottom of the page.

In the pop-up window, select the user you want to assign and click Edit assignee .

