During December 2024, Boris focused on enhancing the zendesk/maxwell repository by improving support for MariaDB-generated columns. He addressed stability issues by implementing ANTLR grammar updates to recognize the PERSISTENT keyword, enabling users to define persistent generated columns and preventing crashes when creating tables with virtual or stored definitions. Working primarily with ANTLR and Ruby, Boris aligned Maxwell’s parsing logic with MariaDB’s syntax, which improved reliability and compatibility for database users. Although the work centered on a single bug fix rather than new features, it demonstrated depth in grammar design and database management, directly addressing critical stability concerns for MariaDB integration.