Previous versions of cell shaders often choked during IPR (Interactive Preview Rendering) with Redshift or Octane. The is built with a new CUDA and Metal backend. This means you can scrub through your timeline with hundreds of animated cell divisions without watching your viewport freeze.
You might wonder if you need this plugin at all, given that Cinema 4D has a native Voronoi node. Here is the difference: Solid Cells Shader C4d Plugin 34