What’s new in a nutshell The GRASS GIS 8.2.1 release offers over 80 improvements and bug fixes compared to the previous release, 8.2.0. The update includes a range of enhancements to the software’s modules and graphical user interface. Some notable module improvements include various bug fixes for r.kappa, the addition of support for unregistering maps from other mapsets in t.unregister, and a fix for cross-validation in v.surf.rst. The graphical user interface has also seen improvements, with issues being resolved for the database manager, the image group dialog, the import of PostGIS and SQLite geometry data, the Postscript-based mapping tool, and the Single-Window GUI toolbar.