Below is a list of issues with the current fog implementation.

Fog is illuminated only by the suns position. Whether it is enabled or disabled does not matter.

Sun enabled

Sun disabled

Sun disabled + Sky Black

Emitters do not illuminate fog.

No Fog

Fog

Realworld example

Fog has a uniform color and is not tinted by the color of light. ie- Fog color on either side of stained glass is the same.

Fast Fog (Enabled)

(Slow) Fog

Realworld example