GPU Picking no longer seems to work.
All demos do nothing.
For example on this PG, the renderOutline does not fire :
You must now call setPickingList yourself and does not pass scene to pickAsync anymore:
Yes I mentioned it in the GPU Picking thread. I also updated the doc accordingly 
And beware I changed the return value to be a IGPUPickingInfo
Mesh Picking | Babylon.js Documentation (babylonjs.com)
(playground is not yet up to date)