During May 2024, Matt Cooley focused on improving the developer experience in the google/swiftshader repository by refining the commit hook installation process. He addressed an issue where commit hooks would attempt to install even when SwiftShader was included as a submodule or outside a Git repository, leading to unnecessary warnings and errors. Using CMake and his expertise in build system configuration, Matt implemented logic to validate the presence of a Git repository before proceeding with hook installation. This change reduced noise in both local development and CI environments, enhancing workflow resilience and ensuring smoother integration for developers working with submodules.