During July 2025, Abel Umenhoffer focused on improving the stability of the Carla Instrument plugin’s graphical interface within the LMMS/lmms repository. He addressed a persistent Wayland-specific GUI issue by carefully reordering two function calls in the InstrumentTrackWindow, ensuring proper initialization before updating the instrument view. This targeted bug fix, implemented in C++ and leveraging his skills in GUI development and debugging, reduced platform-specific breakages and enhanced cross-platform reliability for plugin users. Abel’s work demonstrated a methodical approach to problem-solving, involving code adjustments and validation across Wayland sessions to prevent regressions and improve the overall user experience.