You have to enable the Export Subdivided Geometry checkbox after adding the tag. – Changed default behavior of Arnold tag assigned to a Subdivision Surface object: Adding an Arnold tag to a Subdivision Surface object now does not change the render and does not export the subdivided geometry by default. The old names are still accepted but deprecated and will be removed in a future version. For instance c4d_menu instead of c4d.menu. – Renamed plugin specific meta data: The prefix of plugin specific meta data entries have been changed from c4d. See the list of available meta data entries in the documentation. label, widget, units, slidermin/max, etc.) are now supported by the plugin. – Meta data in OSL shaders: Meta data of shaders and parameters defined in the OSL code (e.g. Material previews are ignoring the selected Thumbnail color space and always displayed in sRGB. Picture Viewer does not display the proper view transform when not baked in. The Cinema 4D S24 Compatibility list lives in our new FAQ. Introduction to the Arnold render tba for Cinema4D soon. Other improvements include: By the way, V-Ray for Cinema 4D is the latest product we’ve added to our S24 Compatibility list. Chaos released V-Ray for Cinema 4D Hotfix 3 (build 5.00.45) adding support for Maxon Cinema 4D S24.

View transform has to be baked into the output when saving to an 8-bit image format (e.g. Update: Chaos V-Ray for Cinema 4D for S24 Compatibility.

Known limitations when using the native OCIO color management:

Arnold for cinema 4d s24