Mirror Reflections Black and White in Real-Time Only

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1

2.3.4.0932:
NVIDIA GeForce RTX 2080 Ti:
517.40:
Mirror Reflection:

Black.Mirror
Black.Mirror1554×1021 1.9 MB

Black.Mirror.Original
Black.Mirror.Original1366×905 1.51 MB

I am using the SketchUp plugin and when navigating through my project all mirror reflection show black and white (First image). It is only when I render that the reflections correct themselves (Second image). I turned off all light and tweaked the material settings, but no idea why from one day to the next all mirror materials fail to display in real-time correctly. I have downloaded the latest SketchUp Converter and the latest D5 Version. :

2

Hi mate, it is by design for the preview mode. In preview mode, the number of light bounce in reflection is only 1, so that the performance can be better and computer resources are saved.
In final rendering, we increase the bounces times, so that we can see things in mirror in mirror reflection.