Не става ясно дали Assignee може да редактира Issue:

The project leader can edit the project, add new issues to it and change the status of the current ones. The issue assignee has privileges to change the status of the issue.

• Issue page
  • Route: #/issues/:id
  • Displays the information about the issue
  • If the user is the assignee, they can see a button for changing the status using an available status (e.g. Open -> Closed).
  • If the user is the issue’s project leader they can see the edit issue button.
• Edit Issue page
  • Route: #/issues/:id/edit
  • The page is not visible unless the user is the issue’s project leader or assignee.
  • If the user is the assignee, they can change the status using an available status (e.g. Open -> Closed).
  • If they are the project’s leader they can edit the whole issue (including its assignee).