MongoDB World 2019 was a highly successful event that brought together over 2000 attendees, featuring over 100 talks, 200 Ask the Experts sessions, and a hackathon with 900 participants. The conference showcased new features and products, including MongoDB 4.2, Client-Side Field Level Encryption, Wildcard Indexes, On-Demand Materialized Views, and Full-Text Search. Other notable announcements included MongoDB Charts being generally available, MongoDB Enterprise Operator for Kubernetes, and MongoDB Atlas Data Lake. The event also featured a live blog, IoT-enabled slot car racing track, and interactive sessions such as the Secure Code Tournament and Builders Fest. The conference highlighted MongoDB's thriving ecosystem of partners and developers, with notable attendees including MongoDB CEO Dev Ittycheria and CTO Eliot Horowitz.