Problem with Raytrace in V6 RC3

In the latest V6 RC3 The raytrace with transparent material is whrong

Raytrace Saving


Raytracing capturing with ctrl_stamp

This looks like it works.

Could you please elaborate on the steps taken and what sample counts you specify (for both viewport and capture).

edit: The output from Rhino command _SystemInfo would be good to have.

Thank you.