Hi @gailgongster,
The Specials Menu can indeed now be opened with right click, if you are using Left Click Select. When using RCS, it still is W.
But it has also changed a bit, in that it is now context sensitive; meaning, that you need to be in Vertex Select Mode to see the Smooth Vertices, which used to be called Smooth. Smooth Laplacian has always been there and tries to smooth the Vertices, while at the same time tries to keep the shape as much as possible;
The difference, both operations done on a one time Sbdivided Cube:
