Hello! I hope I am putting this in the right category.
I have managed the same region for quite some time now (about 3 years) and I have not had this problem until very recently.
I created a day cycle and attempted to assign it to the Region/Estate level. It looks correct in the preview when selected in the drop down menu. Once I click "Apply," I see the settings have changed, but it seems the haze or fog or distance multipliers are completely gone. So while the lighting is right, the depth is not there.
It was the same case when I applied just one of my custom skies to the "Fix