During May 2026, contributed targeted improvements to reliability and packaging workflows across chains-project/maven-lockfile and sktime/sktime. Addressed a type safety issue in the Maven plugin by refactoring parameter handling from strings to booleans, reducing parsing errors and clarifying configuration in Java-based build systems. In sktime, modernized the installation process by updating the Makefile to extract metadata from pyproject.toml, removing reliance on the deprecated setup.py and streamlining Python package installation. All changes were validated with make -n install and repository diffs, ensuring correctness without introducing new dependencies, and enhancing maintainability across both Java/Maven and Python ecosystems.