March 2025 monthly summary for nodejs/node focusing on business value and technical achievements. Delivered a targeted V8 memory management optimization: Retained Maps Compaction, improving memory efficiency and runtime performance when adding maps in batches. This work aligns with upstream V8 changes via a cherry-picked update, ensuring stability and compatibility across Node.js workloads. No explicit major bug fixes were documented in the provided dataset for this repo in March 2025. Overall impact includes reduced memory pressure under memory-intensive workloads, improved GC behavior, and more predictable memory usage, contributing to better runtime performance for Node.js users. Technologies demonstrated include V8 internals, memory management strategies, batch processing semantics, and precise commit traceability for reproducible builds.