In February 2026, Xiangjun contributed to the zed-industries/zed repository by developing a targeted navigation feature that enhances workspace usability. They implemented the Workspace::ActivateLastPane action in Rust, enabling users to focus on the last active pane without spawning new panes, thereby streamlining pane management and reducing navigation friction. The work included integrating the action handler, updating keymap references, and writing comprehensive tests to ensure stability and maintainability. Xiangjun validated the changes with cargo tests and formatting checks, ensuring a low-risk release. Their efforts combined Rust programming, UI/UX design, and workspace management to deliver a focused, user-driven improvement.