During December 2025, Mebert contributed to the ofkm/arcane repository by delivering German localization improvements aimed at enhancing the user experience for German-speaking users. Focusing on front end development and internationalization, Mebert updated JSON-based translations across various UI components and system messages, ensuring greater translation fidelity and consistency. The technical approach emphasized rigorous translation quality assurance and clear, changelog-oriented commit practices, resulting in improved accessibility and onboarding for the German market. No major bugs or regressions were reported, reflecting careful attention to system stability. This work demonstrated depth in localization, i18n processes, and disciplined release management within the project.