RayTraced Crash

Raytraced mode seem to be running really slow. Crashed when switching back and forth between Rendered and Raytraced mode

Work In Progress
(6.0.16068.13071, 3/8/2016)

When Rotating the environment HDR goes to solid color.

I have made some fixes related to the Raytraced viewport stability, the next WIP should be much better. What kind of scene do you have? Lots of geometry?

Rotating of environment HDR I’ll have to test.