During June 2025, Zhui contributed to ValveSoftware/Proton by enhancing font rendering to improve cross-platform compatibility and user experience. Zhui focused on converting the msyh.ttf font to TrueType format, addressing rendering inconsistencies and improving UI readability across Proton-enabled games. The work involved build automation and font conversion, utilizing Makefile to integrate the new font pipeline efficiently. By resolving a tracked font rendering bug, Zhui reduced UI glitches and contributed to more stable rendering performance. The changes were delivered with clear commit messaging and integration into the existing bug-tracking workflow, demonstrating attention to traceability and maintainability within the project’s codebase.