Contributed to the musescore/MuseScore repository by delivering an enhancement that increases the thumbnail size for MSCZ files, improving visual clarity and enabling faster file browsing for users. The work involved modifying the thumbnail creation logic by adjusting the scaling factor, resulting in more detailed and accessible previews within the application. This focused feature was implemented in C++ and leveraged graphics programming skills to ensure accurate rendering and integration with existing code. The contribution was completed as a single, targeted commit, reflecting a precise and efficient approach to feature development within a large-scale open-source project during the reported period.