Rhinoceros 7.21.22208.13002 Apr 2026

Resolved a crash that occurred when interacting with Maxwell materials.

This service release addressed several technical issues and introduced minor enhancements:

If you are looking for the latest version of Rhino, you can check for updates directly within the software via or visit the official Rhino download page . Rhinoceros 7.21.22208.13002

Addressed a change in how materials were assigned to sub-objects, which previously caused the materials palette to clutter with "Custom" materials.

Introduced TestExportDocumentText to control how document user text is handled during exports and clipboard copies. Resolved a crash that occurred when interacting with

Corrected a bug where text created by certain plug-ins lacked an assigned annotation style.

Fixed an issue where the gradient background in Render mode lacked proper gamma correction. Added new commands such as SubDSweep1 and SubDSweep2

Added new commands such as SubDSweep1 and SubDSweep2 , and an option for "Creases at kinks" for SubD outputs.