Operating system: Mac OS X 10.12.6
Graphics card: GTX 1070 and GTX 1080 flashed for Mac
Blender v. 2,80 and Blender v. 2.81 Alpha Date: 2019-09-05 22:13
Incorrect displaying in Look Dev Mode. Look Dev Preview white sphere is flat and all the scene is also flat and invisible like in the attached screenshots.