I upgraded to Rhino 5 and noticed that arcs, circles and lines drawn at an angle do not look as crisp in wireframe view as they do in previous versions. I'm using a recent Imac running Windows 7 in bootcamp. I have tried changing various settings to no avail.
I know its not my computer because Rhino version 4 works fine on my Imac.
I spoke with tech support and the tech acknowledged the issue.
Is anyone else noticing the same issue? Hopefully they will fix this with a maintenance update
Do you have antialiasing set in Rhino 4? By default, there is none, you would have needed to use TestSetAALevel to turn it on, or have set it globally with your video card settings.
In Rhino 5 antialiasing is set by default to 4x, it can make a lot of difference. If you didn't have AA on in V4, try setting it to "none" in V5 (Options>View>OpenGL) and see if it doesn't resemble what you're used to seeing in V4...
I changed the antialiasing to none as you suggested and it worked.