osTicket/osTicket-1.7 — pull request #25 by greezybacon (2012-03-26 23:11:57+00:00)
Title: Track history of tickets over time for snazzy dashboard reports

Add a %ticket_history table to track ticket states over time, correlated to
the user account changing the ticket. Then, tickets are tracked to the table
when (re)opened, closed, overdue, transferred and assigned.