Changes in version 0.1.1 (2026-10-05) - Fixed calculation of parametric bootstrap MSE. - Improved input validation in geosae(). - Updated documentation and examples. Changes in version 0.1.0 (2026-09-30) - Initial CRAN submission. - Provides an implementation of area-level Geoadditive Small Area Estimation. - Supports nonlinear covariate effects, spatial smooths, and parametric bootstrap MSE estimation. - Provides comparison with Fay-Herriot and Spatial Fay-Herriot models.