Initial Quad support and flow uv will both be in 1.0.6. Quad mode is somthing I hesitated to add at first, as mesh is been quadranulated in realtime, there might be performance implication and quirks, but hopefully the clearer topology reading and easier mesh manipulation will outweight drawbacks.
For harden/softern edge, now you have to use Smoothing Group assignment to make edge soft or hard, in next update I plan to add Auto Smooth option to compute normals base on Hard Edge Angle setting.