Yak This is the place to discuss the Rhino Package Manager, <strong>Yak</strong>.
Developer If you want to write plug-ins for Rhino WIP, this is your category.
Mesh WIP Discuss all things related to Mesh development here.
Sub-D Everything related to a new subdivision surface object in Rhino.
Rendering WIP The place to discuss all rendering related issues.
compute.rhino3d The purpose of this category is for testing and discussion of <a href="https://compute.rhino3d.com">https://compute.rhino3d.com</a>
PaperCuts This is the place to discuss "Paper Cuts", those Rhino issues that are <strong>painful but not life threatening</strong>.