Catfish Wen contributed to the AvaloniaUI/avalonia-docs repository by delivering two feature updates focused on improving Simplified Chinese localization and documentation quality. Over two months, Catfish updated and refined zh-CN translations, ensuring terminology consistency and enhancing formatting to improve clarity for Chinese-speaking developers. Their work included correcting file references, clarifying instructions for adding controls and event handlers, and refining descriptions of UI elements and layout concepts. Using Markdown, XML, and technical writing skills, Catfish’s contributions reduced onboarding friction and improved accessibility, while maintaining alignment with the English documentation. The work demonstrated thorough attention to detail and technical accuracy throughout.