yeah, posted notes/deets https://www.mapbox.com/blog/mapbox-gl-js-v2-3d-maps-camera-a... Developers need a Mapbox account and access token. v2 is available in the same way as v1 -- the project source code is available on Github at https://www.mapbox.com/blog/mapbox-gl-js-v2-3d-maps-camera-a... for open collaboration with the community. New features will be on v2.