Grzegorz Stepien contributed to the k-tech-italy/krm3 repository by advancing Polish language support in the backend, focusing on internationalization and localization using Python. He updated translations for error messages, status indicators, and field requirements, directly improving the experience for Polish-speaking users. Employing a Weblate-based workflow, he ensured translation changes were traceable through Git, supporting collaborative and auditable development. His work increased the Polish translation completion rate to 30.4 percent, reflecting steady progress in the ongoing localization effort. Over the month, Grzegorz delivered one feature, demonstrating depth in language support engineering and attention to workflow transparency and maintainability.