Some of the highlights of glTF 2.0 that will be featured this week at GDC are here:
We have been working closely with Khronos on the glTF 2.0 spec - which will be supported in Cesium and 3D Tiles. The major new feature is Physically-Based Rendering (PBR) materials for improved visual quality and graphics API neutrality.
The spec is almost finalized and your feedback is welcome: #826
In addition to the spec work, we are updating several projects to glTF 2.0, including:
This is a huge effort, and any and all community support is welcome! Please chime in if you would like to be involved.
Also note that Khronos is funding a glTF 2.0 exporter for Blender if you would like to bid: