During December 2024, Andrey focused on improving the user interface of the telegramdesktop/tdesktop repository by addressing a targeted issue in the Passport panel. He implemented a precise UI fix in C++ to rename the country field from Citizenship to Residence Country, ensuring the label accurately reflected the data being collected. This adjustment enhanced data accuracy and reduced potential confusion for users, while also supporting more reliable analytics. Andrey applied his skills in internationalization and UI development, delivering the change through a single, well-documented commit. The update maintained baseline stability, demonstrating careful attention to detail and disciplined engineering practices.