Reassigned <%= issuable.class.model_name.human.titleize %> <%= issuable.iid %>

<%= url_for([issuable.project, issuable, {only_path: false}]) %>

Assignee changed <%= "from #{@previous_assignee.name}" if @previous_assignee -%>
 to <%= "#{issuable.assignee_id ? issuable.assignee_name : 'Unassigned'}" %>