In December 2025, Sia developed a feature for the zed-industries/zed repository that enhances git permalinks with diff-aware line references. Using Rust, Sia extended the editor’s permalink functionality to dynamically calculate line offsets based on changes in the current buffer, ensuring that shared links accurately reflect the latest code state during reviews. The implementation required editor development skills and a deep understanding of git integration, as it addressed workflow pain points by aligning line references with ongoing diffs. Sia focused on code quality and documentation, delivering a targeted solution that improved collaboration without maintaining a separate bug-fix backlog that month.