In May 2025, Alex Lepikhine upgraded Apache NiFi’s event loop infrastructure by replacing the deprecated Netty NioEventLoopGroup with MultiThreadIoEventLoopGroup throughout the codebase. This work, delivered in the apache/nifi repository, aligned NiFi with newer Netty APIs and addressed the NIFI-14506 initiative to ensure ongoing compatibility with recent Netty versions. Using Java, NIO, and Netty, Alex’s changes modernized event loop management, reduced technical debt, and positioned NiFi for improved performance and scalability in event-driven workloads. The update focused on critical I/O paths, laying a foundation for future enhancements while maintaining stability and reliability in the system’s core architecture.