After announcement of KIAD v3 update for Prepar3D, Flightbeam Studios is coming with the preview of KIAD update in their Facebook post.
This update will include dynamic lighting, SODE Jetways, and a lot of fixes. In the picture we can see the preview of dynamic lighting at the airport.
Flightbeam Studios mentioned in the comment section below their post, that the update will be free of charge for existing owners of Flightbeam KIAD.