Worked on enhancing Zig language support in the helix-editor/helix repository by upgrading the tree-sitter Zig grammar to a more current upstream source and refining syntax highlighting rules. This update improved parsing accuracy and code readability for Zig files within the editor, making future maintenance and updates more straightforward by aligning with upstream grammar definitions. The work involved integrating tree-sitter technology, applying skills in code parsing and grammar definition, and updating syntax highlighting logic. No major bugs were addressed during this period, with the focus remaining on feature development and maintainability for Zig language support using SCM and TOML.