Valentin Hirschler worked on expanding the German localization of the KOReader User Guide within the koreader/koreaderhub.io.git repository, focusing on improving multilingual documentation accessibility. He utilized PO files and a Weblate-driven workflow to translate and manage content, achieving 17% coverage by adding 332 translated strings. His approach integrated internationalization (i18n) and localization best practices, ensuring that metadata and translation updates were systematically committed and tracked in Git. While no major bugs were addressed during this period, Valentin’s work laid the foundation for scalable content management and enhanced the user experience for German-speaking users through structured translation processes.