Lu Xingxiao focused on improving localization quality in the eclipsesource/theia repository by addressing inaccuracies in Chinese translations for key UI strings such as "applyAll" and "finished." Using skills in i18n, localization, and translation management, Lu worked primarily with JSON to refine the translation files, ensuring that the interface communicated more clearly to Chinese-speaking users. The changes targeted core UI elements, reducing potential confusion and aligning the localization with QA standards for upcoming releases. Although the work centered on a single bug fix rather than new feature development, it demonstrated careful attention to detail and a methodical approach to language accuracy.