Rhino 6.9 bug - world axis icon colors

The colors of world axis icon cannot be changed in Rhino 6.9. There are two options: Options>Appearance>Colors and Options>Advanced>worldcoordinateicon. Both options fail.

By the way, what is job description of the people who have disabled world axis icon colors? coders? programmers? developers? associates?

Version 6 SR10
(6.10.18275.12371, 10/2/2018)