During March 2025, Alvin focused on improving device event handling in the isaac-sim/IsaacLab repository by addressing a bug in the gamepad subscription API for SE2 and SE3 devices. He identified and corrected an incorrect Omniverse API call used for unsubscribing from gamepad events, updating the unsubscribe method name to prevent stale subscriptions. This work enhanced the reliability of device management and improved the developer experience by ensuring accurate event handling. Alvin applied his skills in Python, API integration, and bug fixing to deliver a targeted solution, demonstrating a methodical approach to maintaining robust device communication within the codebase.