Scott focused on backend development and code refactoring in the jj-vcs/jj repository, where he consolidated the API for merged_tree and improved ID handling. By removing the MergedTreeId::Legacy variant and renaming merged_tree.take() to into_merge, Scott unified ID representation and clarified API semantics. This work enhanced maintainability and established consistent naming conventions across modules, reducing the surface area for future changes. Using Rust and Git, Scott’s changes laid the technical foundation for upcoming features such as conflict labels. The depth of the refactor demonstrates careful attention to long-term code health, though the work was limited to a single feature this month.