Mfix-21.4 & RHEL 7.5 with X11 starts and fails to open GLEW could not be initialized: Missing GL version

MFiX
8

Precisely, yes.

I tried using the -g option as well as env MESA_GL_VERSION_OVERRIDE=3.2 I just get this:

AAAEEEC0]vtkXOpenGLRenderWindow.:651 ERR| vtkXOpenGLRenderWindow (0x55555d7aba50): Cannot create GLX context. Aborting.

I also compared on Windows via Mobaxterm, same.