With regards to the black boxes it seems that some more people, possibly also on Windows have these problems, there are several reports in this threat:
https://forums.eveonline.com/t/version-19-06-known-issues/319734/32?u=meditril
However, they do not happen on my Ubuntu, Wine, DXVK, DX11, Nvidia system. So it might be a gfx driver issue related to the used hardware?