...
NavLog - Specifying the optional parameter "includeFrequencies" will now return UNICOM and CTAF communication frequencies available for the departure and destination airports in addition to the AWOS/ASOS and FSS frequencies associated with the flight plan.
Note - At the Leidos Flight Service (LFS) website, for route and area briefings, the option to select the legacy NGB "Old" briefing was removed. The LFS website now offers only the new NGBV2 briefing in Web, PDF, or Email format. However, for web services, 'SIMPLE', 'NGB', 'EMAIL', and 'NGBV2' still remain valid options for the briefing type.