What’s New in Apache Kafka 4.0? A Deep Dive into KRaft, Java 17, and Next‑Gen Consumer Rebalance
Apache Kafka 4.0 eliminates Zookeeper with the KRaft consensus protocol, upgrades Java requirements to 17, introduces a next‑generation consumer rebalance protocol, adds Share Group queue semantics, and bundles numerous performance, security, and API improvements for modern streaming workloads.
