Material Preview seems overexposed

[bardo]

As you can see, the material preview seems overexposed.
c71MeMV.jpg

As attached the simple scene.
ScenaTestVari_Vray6.zip

[daniel.kapsazov]

Hi bardo, I took a look at the scene you provided (thanks a lot for that), and it seems that the V-Ray Sky texture inside the World node tree is affecting the Material preview. I've logged this on our end and will get back to you once I have more information.