CC413 is now the stable release: https://carbide3d.com/blog/2019/carbide-create-413-released/
In CC406 Carbide Create adds the option of 3D features in a new “Pro” license. Currently available as an open beta for testing at: https://carbide3d.com/carbidecreate/unstable/ (see: https://carbide3d.com/blog/2019/carbide-create-400/ for the initial announcement)
To activate the features:
Windows: Help->About->Enable Pro. Then restart.
Mac OS X: Carbide Create | About Carbide Create | Enable Pro then restart.
See: Carbide Create Pro - First Look for some more details.
A video tutorial at: Starting with 2.5 d carving
Pricing discussion for the “Pro” license (the base functionality will remain free): Carbide Create Pro- What do you want to see?