The migration of a shared data pipeline service from Python 2 to Python 3 has led to significant improvements in memory utilization, with the updated system using less than one hundred megabytes of RAM compared to the gigabytes previously required. This transition has enhanced the performance of the presence system, reducing latency in processing subscribe events and improving operational flexibility. Despite minimal changes to the code, Python 3's enhanced memory management capabilities, particularly its updated gzip and 0MQ libraries, have removed bottlenecks, resulting in faster event processing. Although minor improvements were observed in downstream systems that do not utilize the gzip 0MQ interface, the overall upgrade has demonstrated notable efficiency and reliability gains. Looking ahead, the organization plans to capitalize on the success of this transition by upgrading older Python runtimes and gradually integrating Rust for further performance, security, and stability enhancements, although this will require a complete system rewrite.