Adam Słaboń contributed to the reactos/reactos repository by addressing Polish translation quality issues across nine core applications, including Event Viewer, MSPaint, Notepad, and Task Manager. Using his expertise in localization, software development, and translation, Adam delivered a single cross-component patch in C and C++ that improved consistency and clarity for Polish-speaking users. His work involved updating translation files, coordinating with co-author Hermès BÉLUSCA - MAÏTO, and ensuring alignment with project requirements under CORE-20207. This focused bug fix enhanced user experience by reducing confusion and demonstrated a thorough approach to translation workflow, from patch creation to documentation.