Can't get refract to work in ZB 3.5r2?

[WingedOne]

I was trying out refract in the draw menu in ZB 3.5r2, but when I move the refract slider to anything other than zero, it turns the objects opaque. Do I need to do something differently in the new release, or is this a bug?

Refract behavior in ZB 3.1:

Attachments

[aurick]

I’ve duplicated this and am bringing it to the attention of the team.