Orhan Eroglu focused on enhancing the documentation for the subset functionality in the UXARRAY/uxarray repository during December 2025. He applied his skills in Python, data visualization, and technical writing to improve the clarity and accuracy of user guidance, specifically targeting language and typographical issues in the subset guide. By refining documentation, Orhan aimed to reduce user confusion and lower support demands, thereby streamlining onboarding and enabling more effective self-service support. His work demonstrated careful attention to detail and proficiency with Git-based workflows, though the scope was limited to documentation improvements rather than feature development or bug fixes during this period.