Grasshopper edge color / weight and transparency

I see white edges on some of my geometry in the new grasshopper version. Is it possible to turn this off and make it look like the old grasshopper geometry? It looked more clean in my opinion

new GH:

old GH:

Transparency still does not work. Am I doing something wrong?

I’m interested in transparent grasshopper geometry. Baking is not an option.

I have seen the new raytrace viewport but it’s really slow on my machine here at work so I was wondering if there is another solution.