Please update the Cinema 4D plug-in to 2019.03.01 as well! Older plug-in versions will not work.
Changes & Improvements
- various internal improvements [1155, 1212]
-  Motion blur now works better with transparent objects.
-  Fixed Screenspace Reflection flickering that occured in certain situations.
-  Fixed black rendering artefacts on transparent objects that have malformed geometry.
-  Fixed bad viewport culling that happened with orthographic cameras that used film offset.
-  Infinite light disappeared from rendering when its shadows were enabled.
-  Fixed an error where Ground Truth Ambient Occlusion did not work with transparent objects.
-  Activation/Deactivation of light sources in scenes with more lights could result in shadow artefacts.