Andreas Igel contributed to the primefaces/primefaces repository by centralizing the dart-sass version definition across multiple modules, addressing a persistent version drift issue that previously caused build and runtime conflicts. Using Java and Sass, Andreas updated all modules to reference a single, stable dart-sass version, which streamlined the upgrade process and improved overall build stability. This work enhanced maintainability by establishing a standardized versioning policy and reducing the risk of cross-module inconsistencies. Andreas also co-authored documentation for the upgrade, ensuring traceability for future changes. The contribution focused on backend build processes rather than feature development, demonstrating solid engineering fundamentals.