Worked on the libsdl-org/SDL repository to improve the stability of text rendering by addressing a critical bug in the bidirectional text processor. Focused on C programming and software development, the main contribution involved fixing an infinite loop in the SDL_FriBidi_Process function by updating the data types for start and end indices from FriBidiLevel to FriBidiStrIndex. This technical adjustment prevented application hangs when processing multilingual content, particularly when the end index exceeded 127. The solution was validated to maintain cross-platform compatibility, enhancing the reliability of SDL’s text rendering pipeline for production workloads without introducing new features.