George Grec worked on the rockerBOO/gleam repository, focusing on a targeted internal refactor of the Gleam compiler’s abstract syntax tree. He replaced the term ‘spread’ with ‘record update’ throughout the AST and related modules, aligning terminology with established conventions to improve code clarity and maintainability. This change aimed to reduce onboarding friction for new contributors and provide a clearer foundation for future refactoring efforts. George applied his skills in Rust, AST manipulation, and compiler development, emphasizing code readability and safe evolution of the codebase. The work addressed internal consistency rather than feature expansion or bug resolution during this period.