Apache Kafka 4.3 | 25 KIPs, Kafka Streams, Share Group Controls, Broker Isolation, and more
Blog: https://kafka.apache.org/blog/2026/05/22/apache-kafka-4.3.0-release-announcement/ | Sandon Jacobs (Senior Developer Advocate, Confluent) highlights the key features in Apache Kafka 4.3, a release powered by 25 new KIPs. Apache Kafka 4.3 includes first-class support for preserving record headers in Kafka Streams (KIPs 1271, 1285), new production tuning controls for share groups (KIP-1240), and a new broker and log directory cordoning mechanism to simplify maintenance workflows (KIP-1066). The release also brings improvements to Kafka Streams state management, local state cleanup, and global table exception handling (KIPs 1035, 1259, 1270), plus broader enhancements to metrics, storage, operations, and the path toward Apache Kafka 5.0. For a comprehensive overview, view the release notes: https://downloads.apache.org/kafka/4.3.0/RELEASE_NOTES.html LEARN MORE ► Queues for Kafka Lightboard: https://youtu.be/Wb0xyqgaIqw ► Apache Release notes: https://kafka.apache.org/downloads ► Confluent Developer: https://developer.confluent.io CONNECT Subscribe, if you dare: https://www.youtube.com/@ConfluentDeveloper?sub_confirmation=1 Community Slack: https://confluentcommunity.slack.com X: https://x.com/confluentinc Linkedin: https://www.linkedin.com/company/confluent GitHub: https://github.com/confluentinc Site: https://developer.confluent.io ABOUT CONFLUENT DEVELOPER Confluent Developer provides comprehensive resources for developers looking to learn about Apache Kafka®, Apache Flink®, Confluent Cloud, Confluent Platform, and any other technology related to the broader Data Streaming Platform. Content on Confluent Developer includes courses, getting started guides, topical deep-dives, patterns, tutorials, and listings of community events. Learn more at https://developer.confluent.io. #apachekafka #apacheflink #confluent