Does anyone know the current schedule for these NAV updates? On my last trip to NYC in my '14 Sport Hybrid I found two major road changes my system knew nothing about. My last update was with the 2015 Brown DVD, so I am certainly now due, but there's no sense in updating if the next one is about to come out. Do we know when the 2017 DVD came out? I suspect it was in 2016. Any thoughts will help. Thanks.