Battseren contributed Mongolian localization and accessibility enhancements to the jellyfin/jellyfin repository, focusing on expanding the platform’s usability for Mongolian-speaking users. Using Weblate for translation management, Battseren delivered a dedicated commit that integrated comprehensive Mongolian language support into the user interface. The work included minor UI text adjustments to better align with accessibility guidelines, supporting assistive technologies and reinforcing the project’s internationalization efforts. While no bugs were fixed during this period, the feature was deployed cleanly and with low risk. Battseren’s work demonstrated skills in localization and translation, with a focus on user experience and inclusive design for diverse audiences.