Please see the required version of Houdini for 18.0 as we have updated versions: Due to binary incompatibility, 23.4 will require different installation steps as linked here.
Rendering with RenderMan will not operate on Houdini Apprentice editions. See Side FX's website for options that allow Third Party Rendering
Table of Contents
New Features in 23.4
Fixes
Fixed a bug where the manifold coordsys was not interactive
