During April 2026, Zippi180 focused on stabilizing the build workflow in the tuist/tuist repository by addressing a sandbox-related path resolution issue. They implemented a bug fix in Swift that updated the macro copy script to include symlink targets in its input paths, ensuring the build system could reliably locate executables in both the build directory and the uninstalled products directory. This change improved sandbox compatibility and reduced CI flakiness across environments. Zippi180’s work demonstrated depth in CLI development and testing, as the solution required careful analysis of build phase dependencies and cross-environment consistency within the Swift-based project.