In July 2025, Paul Ryvkin developed Xenium protein data support for the satijalab/seurat repository, expanding Seurat’s multi-modal analysis capabilities. He introduced a data type identifier and implemented loading-time scaling factor handling in R, ensuring Xenium protein expression data could be accurately recognized and integrated alongside transcript data within Seurat objects. This work required careful alignment with existing data-loading conventions to maintain consistency and reproducibility. Leveraging his expertise in bioinformatics and data analysis, Paul’s contribution enabled researchers to perform integrated protein–transcript workflows, enhancing Seurat’s extensibility and stability for future multi-modal data types without introducing regressions or breaking existing functionality.