Projectile lights bugged?

I just realise that projectile lights widget is not working for me, unless I restart it, and it still works inconsistently (half of bertha shot is luminated, or nothing at all, or the whole shot).

Is it known?

Besides, IMO it should not be by default, because it makes the reading of the game more difficult, because when you have a group of units, it turns into a ball of yellow light, you cannot tell what is shooting. It's way too bright.