This document provides an introduction and overview of Apache NiFi 1.11.4. It discusses new features such as improved support for partitions in Azure Event Hubs, encrypted repositories, class loader isolation, and support for IBM MQ and the Hortonworks Schema Registry. It also summarizes new reporting tasks, controller services, and processors. Additional features include JDK 11 support, encrypted repositories, and parameter improvements to support CI/CD. The document provides examples of using NiFi with Docker, Kubernetes, and in the cloud. It concludes with useful links for additional NiFi resources.