Radek Zelenka focused on release readiness and migration tooling enhancements for Kentico’s xperience-by-kentico-universal-migration-tool and kentico-migration-tool repositories. He upgraded dependencies to XbyK 31.2.0, updated the compatibility matrix, and prepared the codebase for Version 4.2.0, ensuring smoother customer migrations. Radek introduced new features and refactored the Kentico migration tool for improved maintainability and code structure. His work leveraged C#, YAML, and Azure DevOps, emphasizing CI/CD and version control best practices. By consolidating release preparation tasks and aligning with established processes, Radek reduced upgrade risk and established a stable foundation for future feature delivery and ongoing maintenance.