What are the tracker status options?
| open | The tracker is open and accepting new members. Just join—no permissions needed! |
| limited | The tracker is accepting new members, but you must contact the owner of the tracker and ask to be added. |
| closed | The tracker is no longer open to new members but is currently in progress. |
| retired | The tracker is done and over. Not only will it not accept new members, but even those who signed up for the tracker are done iwth it. |