During January 2025, Tiago Jorge focused on improving memory management stability in the percona-server repository. He addressed a critical bug in C++ related to node set handling by refining the realloc_node_set function to correctly preserve the old pointer when reallocating with zero size. This targeted fix prevented potential memory leaks and undefined behavior, especially under memory pressure or edge-case scenarios. Tiago’s approach included updating and executing regression tests to ensure the reliability of the zero-size realloc case. His work demonstrated depth in C++ and memory management, delivering a robust solution that enhanced the safety of long-running production workloads.