During August 2025, Ivan Kuznetsov developed a runtime typography control API for the libsdl-org/SDL_ttf repository, focusing on enhancing font rendering flexibility in C-based SDL applications. He implemented new functions to set and query character spacing on TTF_Font objects, enabling developers to fine-tune TrueType font appearance within dynamic user interfaces. Ivan updated the showfont example to support keyboard-driven character spacing adjustments, streamlining the developer workflow for typography customization. His work demonstrated a solid grasp of C programming and the SDL library, delivering a targeted feature that addressed layout fidelity and customization needs without introducing bug fixes during the project period.