RayFire 1.66.03 build is available.

selsize

Minor build 1.66.03 is available for 1.66 owners via automatic update.
Make sure you run 3ds max as Administrator before update, otherwise you may have downloading failure.
New build provides two new features: Select by Size and Exclude from Simulation by Size:

https://www.youtube.com/watch?v=7TLRUssECQs