In May 2025, Leo Naves enhanced the vault utility scripts within the lokalise/shared-ts-libs repository, focusing on performance and flexibility. He implemented asynchronous programming techniques in TypeScript and Node.js to reduce script run-time and improve responsiveness. By refactoring the installation check to use the 'which' command, he enabled faster startup, while exporting additional helper functions increased the reusability of vault utilities. Leo also introduced an updateEnvFile parameter, giving developers finer control over environment file creation. This work streamlined environment management and improved the developer experience, demonstrating a thoughtful approach to maintainability and efficiency in CLI utility development.