During September 2025, Vladislav focused on enhancing the stability and compatibility of the CGNS reader within the hlrs-vis/covise repository. He addressed a critical bug by updating the reader to support CGNS 3.4+ APIs, specifically integrating cg_poly_elements_read to correctly handle MIXED and NGON element connectivity with ElementStartOffset. To prevent data ingestion crashes, he implemented zone size validation and restricted unsupported structured grid types, improving runtime reliability. His work involved targeted refactoring and clang-tidy cleanups, emphasizing code maintainability. Vladislav applied his expertise in C++, data structures, and library integration, delivering a robust solution that improved long-term code quality.