Ivan Nemitko developed two features focused on dependency management and type safety during May 2025. In the microsoft/DefinitelyTyped-tools repository, he updated configuration files to allow pixi.js as a dependency, ensuring the definitions-parser correctly processes packages that rely on it. For grafana/k6-DefinitelyTyped, Ivan authored comprehensive TypeScript typings for the leaflet-pixi-overlay library, covering options, utility functions, and the PixiOverlay class, along with tests to validate type correctness. His work, primarily using TypeScript and configuration management, improved downstream developer experience by reducing integration friction and strengthening the maintainability of type definitions, though no major bugs were addressed this month.