When setting the Bloom off with intensity set to 0 all the color related post process settings get ignored (White Balance, Color Grading, Film, Scene Color) This bug happens for Post Process Settings= medium and lower. When it is set to high or epic it works fine.
Btw, in the landscape example it is supposed to switch to a post process volume with everything set off for VR through the level blueprint but it is inverted. For VR it turns on the volume with all fx on and turns the VR volume off.
I was unable to reproduce this issue on our end. I have written up a report (UE-29895) and I have submitted to the developers for further consideration. I will provide updates with any pertinent information as it becomes available. Thank you for your time and information.