Worked on the ziglang/zig repository to deliver an enhancement to the build system, focusing on improved dependency path handling for complex build configurations. The solution involved duplicating sub_path values for each dependency, enabling per-dependency sub_path management and supporting more robust and reproducible builds across chained dependencies. Leveraging skills in build system development and system programming, the work was implemented in Zig and validated through continuous integration tests and code review. Documentation and release notes were updated to clarify the new behavior, ensuring maintainers and users could understand the impact on dependency graphs and maintain build determinism for multi-variant projects.