I know this isn't a big issue, but it's annoying to say the least. XDWGFADECTL has no affect on arcs, circles, or ellipse, but does work on lines, text, everything else it's supposed to work on. I have defaults set for display resolution as well.
Andrew Ingram
Civil 3D x64 2019
Win 10 x64 Pro
Intel Xeon E5-1620
32 GB Ram