Below is a summary of the JIRA issues addressed in the 4.3.1 release of Kafka. For full documentation of the release, a guide to get started, and information about the project, see the Kafka project site.

Below is a summary of the JIRA issues addressed in the 4.2.1 release of Kafka. For full documentation of the release, a guide to get started, and information about the project, see the Kafka project site.

Podcast Episode · Confluent Developer ft. Tim Berglund, Adi Polak & Viktor Gamov · 11/17/2025 · 37m

Learn about the Apache Kafka's KRaft protocol, a consensus algorithm that ensures fault tolerance and consistency in a network of interconnected nodes

Latest news and content from the Kafka Streams community for November 2025

Apache Kafka: A Distributed Streaming Platform.

Winner of the 2025 Data Modernization and Contribution award

Life Is But A Stream is a web show and podcast for tech leaders looking to harness real-time data streaming to accelerate innovation and drive business impact.

Introduction

Quickly troubleshoot Kafka Streams apps with new health metrics in Confluent Cloud. Spot bottlenecks, monitor RocksDB, and reduce MTTR—no extra code.

Apache Kafka: A Distributed Streaming Platform.

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Apache Kafka: A Distributed Streaming Platform.

Learn how to achieve data consistency and reliability with a complete Apache Kafka consumer offsets guide covering key principles, offset management, and KIP-1094 innovations.

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Free tool to analyze and estimate the costs of running Kafka Streams applications. Calculate compute, storage, and operational costs for your Kafka Streams deployment.

Below is a summary of the JIRA issues addressed in the 4.0.0 release of Kafka. For full documentation of the release, a guide to get started, and information about the project, see the Kafka project site.

Learn the concepts, configs, and application design strategies to get your Kafka Streams apps running as optimally as possible.

Learn how to properly start, stop, and manage the lifecycle of Kafka Streams

A Kafka Streams 101 lesson to learn how to identify unsafe changes to a topology and the techniques to mitigate them

Learn which configurations are most critical for a reliable and efficient deployment