During January 2026, Watermark Hu modernized the MATLAB extension for the zed-industries/extensions repository, focusing on maintainability and enhanced developer tooling. They updated the extension to version 0.1.0, replacing an outdated submodule with a maintained tree-sitter-matlab parser to reduce technical debt and align with current MATLAB ecosystem standards. By integrating MATLAB language server support, Watermark Hu enabled features such as autocomplete and go-to-definition, improving productivity for extension users. Their work involved Git and TOML for submodule and configuration management, and included collaboration with a co-author to ensure clear documentation and streamlined future maintenance. The contribution demonstrated thoughtful, foundational engineering.