Worked on the itchyny/go repository to enhance memory management by implementing ASAN-aware memory region unregistering during the free operation. This feature introduced new utilities for unregistering root memory regions, integrating them directly into the memory freeing workflow to improve memory safety and leak detection. The approach focused on modifying the memory lifecycle so that root regions are properly unregistered when freed, reducing the risk of memory leaks and preventing the sanitizer from accessing unmapped memory. The work was carried out using Go, with an emphasis on runtime optimization and memory management, addressing critical aspects of memory safety in ASAN-enabled builds.