|Reported by:||SimonLei||Owned by:||Christian Boos|
When a new ticket created, the user can assign the new ticket a parent ticket. It's very useful in project management. For example, when I have a feature to be implemented, I submit a ticket in the trac. Then, I found there are 3 tasks to implement the feature, and each task can be broken down into 6 subtask. It's very clear to know how much subtask is complement, and how long should we finish the feature.