This is the monthly Flink Community update for March 2026. It covers the
main developments in the community over the past month, including technical updates,
user-facing updates, and governance and community.

Flink is an open-source stream processing framework for building real-time data applications, offering powerful features for data processing, analytics, and event-driven architectures. Developers can learn about stream processing concepts, event-driven architectures, and real-time analytics techniques to build scalable and fault-tolerant data pipelines for processing large volumes of data in real-time.

Flink

Monthly Apache Flink community update for March 2026 covering technical developments, releases, and governance. Key highlights include: Kubernetes Operator 1.14.0 with FlinkBlueGreenDeployment fixes, Apache Flink Connector Parent 2.0.0 and Connector AWS 6.0 releases (both Flink 2.0 compatible), and Flink Agents 0.2.0 adding Embedding Models, Vector Stores, MCP Server, and async Java execution. Technical updates include watermark improvements, checkpoint recovery enhancements, table planner fixes, Kafka connector update to 4.2.0, and JDBC catalog improvements. Active FLIPs include a native S3 filesystem (FLIP-555), immutable column constraints (FLIP-566), CDC PTF support (FLIP-564), adaptive scheduler rescale history (FLIP-495), and TLS certificate renewal (FLIP-523). Flink 2.3 release planning is underway.