In a way it is. It depends on the type of case - rr pof, rr work ex, fsw, pnp and which office your file is in. In that group the visa officer will review the older file first.Mine was on Feb 17. But I know 1 applicant pnp outland who's AOR was on Nov 2018 and he received a PPR this Feb 2019 already. Why is that so? Isn't this a first submission, first serve basis?