When I called Esurance to get my Crosstrek added at the dealer they did not even have it in their system. So they had to add as a Impreza Wagon then changed it a week later to reflect actual model. So it seems everyone is behind on the 2013s.
It is what most shops use as a sort of repair manual for your car. It has repair instructions, specifications, maintenance schedules and hours that it takes to do repairs. Most repairs are quoted based off of something like Alldata.