Updated from 4.11 to 4.12 - Scene too dark and reflective

[lamwin]

@543962

So we had a missteps with the build. 4.12.3 will have the reflection model all fixed up just as it was on 4.11.2

Thanks for the update Zabir. Just so we are clear, the fix will not be in 4.12.2? and we will have to wait until 4.12.3?