Changes in version 2.0.2 (2025-08-25) - Ongoing development version. Changes in version 2.0.1 (2025-08-19) - CRAN release of the first stable version of sreg 2.0 Changes in version 2.0.0 - Major redesign of the package to support small strata designs (e.g., matched pairs and n-tuples), including correct estimators under both individual-level and cluster-level treatment assignment. - Added full support for mixed designs combining small and big strata, with appropriate estimators implemented. - Introduced a new S3 plot method (plot.sreg) for visualizing estimated treatment effects and confidence intervals for objects of class sreg. - Multiple bug fixes and internal improvements for stability and consistency. Changes in version 1.0.1 (2025-02-06) - Fixed a bug in the sreg function that caused it to return output for the unadjusted estimator instead of the adjusted estimator when X contained a single covariate. - Minor improvements and bug fixes. Changes in version 1.0.0 (2024-06-25) - Initial CRAN release.