# Apache Kafka changelog

> A distributed event streaming platform.

- Vendor: Apache Software Foundation
- Category: Developer Tools
- Official site: https://kafka.apache.org
- Tracked by: What's New (https://whatsnew.fyi/product/apache-kafka)
- Harvested from: Blog (https://kafka.apache.org/blog/releases/index.xml)
- Entries below: 15 (newest first)

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

## Releases

### 4.3.1 — Apache Kafka 4.3.1 Release Announcement

- Date: 2026-06-25
- Version: 4.3.1
- Original notes: https://kafka.apache.org/blog/2026/06/25/apache-kafka-4.3.1-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/4.3.1

We are proud to announce the release of Apache Kafka 4.3.1. This is a bugfix release that includes several critical fixes, most notably a fix for a Kafka Streams RocksDB native memory leak. For a full…

- **fixed** — Fixed a Kafka Streams RocksDB native memory leak

### 4.2.1 — Apache Kafka 4.2.1 Release Announcement

- Date: 2026-05-30
- Version: 4.2.1
- Original notes: https://kafka.apache.org/blog/2026/05/30/apache-kafka-4.2.1-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/4.2.1

We are proud to announce the release of Apache Kafka 4.2.1. This is a bugfix release that includes several critical fixes. For a full list of changes, be sure to check the release notes. See the Upgra…

### 4.3.0 — Apache Kafka 4.3.0 Release Announcement

- Date: 2026-05-22
- Version: 4.3.0
- Original notes: https://kafka.apache.org/blog/2026/05/22/apache-kafka-4.3.0-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/4.3.0

We are proud to announce the release of Apache Kafka® 4.3. This release contains many new features and improvements. This blog post will highlight some of the more prominent ones. For a full list of c…

### 4.1.2 — Apache Kafka 4.1.2 Release Announcement

- Date: 2026-03-17
- Version: 4.1.2
- Original notes: https://kafka.apache.org/blog/2026/03/17/apache-kafka-4.1.2-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/4.1.2

We are proud to announce the release of Apache Kafka 4.1.2. This is a bugfix release that includes several critical fixes. For a full list of changes, be sure to check the release notes. See the Upgra…

### 4.0.2 — Apache Kafka 4.0.2 Release Announcement

- Date: 2026-03-16
- Version: 4.0.2
- Original notes: https://kafka.apache.org/blog/2026/03/16/apache-kafka-4.0.2-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/4.0.2

We are proud to announce the release of Apache Kafka 4.0.2. This is a bugfix release that includes several critical fixes. For a full list of changes, be sure to check the release notes. See the Upgra…

### 3.9.2 — Apache Kafka 3.9.2 Release Announcement

- Date: 2026-02-21
- Version: 3.9.2
- Original notes: https://kafka.apache.org/blog/2026/02/21/apache-kafka-3.9.2-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/3.9.2

We are proud to announce the release of Apache Kafka 3.9.2. This bug-fix release contains several critical fixes and security updates. Notably, this release includes KIP-1252, which addresses inconsis…

- **security** — Include critical security updates and fixes

### 4.2.0 — Apache Kafka 4.2.0 Release Announcement

- Date: 2026-02-17
- Version: 4.2.0
- Original notes: https://kafka.apache.org/blog/2026/02/17/apache-kafka-4.2.0-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/4.2.0

We are proud to announce the release of Apache Kafka® 4.2. This release contains many new features and improvements. This blog post will highlight some of the more prominent ones. For a full list of c…

### 4.1.1 — Apache Kafka 4.1.1 Release Announcement

- Date: 2025-11-12
- Version: 4.1.1
- Original notes: https://kafka.apache.org/blog/2025/11/12/apache-kafka-4.1.1-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/4.1.1

We are proud to announce the release of Apache Kafka 4.1.1. This is a bugfix release that includes several critical fixes. For a full list of changes, be sure to check the release notes. See the Upgra…

### 4.0.1 — Apache Kafka 4.0.1 Release Announcement

- Date: 2025-10-13
- Version: 4.0.1
- Original notes: https://kafka.apache.org/blog/2025/10/13/apache-kafka-4.0.1-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/4.0.1

We are proud to announce the release of Apache Kafka 4.0.1. For a full list of changes, be sure to check the release notes. See the Upgrading to 4.0.1 from any version 0.8.x through 3.9.x section in t…

### 4.1.0 — Apache Kafka 4.1.0 Release Announcement

- Date: 2025-09-04
- Version: 4.1.0
- Original notes: https://kafka.apache.org/blog/2025/09/04/apache-kafka-4.1.0-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/4.1.0

We are proud to announce the release of Apache Kafka® 4.1.0. This release contains many new features and improvements. This blog post will highlight some of the more prominent ones. For a full list of…

### 3.9.1 — Apache Kafka 3.9.1 Release Announcement

- Date: 2025-05-20
- Version: 3.9.1
- Original notes: https://kafka.apache.org/blog/2025/05/20/apache-kafka-3.9.1-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/3.9.1

We are proud to announce the release of Apache Kafka 3.9.1. This bug-fix release has several fixes, and most importantly, it adds Java 23 support. For a full list of changes, be sure to check the rele…

### 4.0.0 — Apache Kafka 4.0.0 Release Announcement

- Date: 2025-03-18
- Version: 4.0.0
- Original notes: https://kafka.apache.org/blog/2025/03/18/apache-kafka-4.0.0-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/4.0.0

We are proud to announce the release of Apache Kafka® 4.0. This release contains many new features and improvements. This blog post will highlight some of the more prominent ones. For a full list of c…

### 3.7.2 — Apache Kafka 3.7.2 Release Announcement

- Date: 2024-12-13
- Version: 3.7.2
- Original notes: https://kafka.apache.org/blog/2024/12/13/apache-kafka-3.7.2-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/3.7.2

We are proud to announce the release of Apache Kafka 3.7.2. This is a bugfix release. For a full list of changes, be sure to check the release notes. See the Upgrading to 3.7.2 from any version 0.8.x…

### 3.9.0 — Apache Kafka 3.9.0 Release Announcement

- Date: 2024-11-06
- Version: 3.9.0
- Original notes: https://kafka.apache.org/blog/2024/11/06/apache-kafka-3.9.0-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/3.9.0

We are proud to announce the release of Apache Kafka 3.9.0. This is a major release, the final one in the 3.x line. This will also be the final major release to feature the deprecated Apache ZooKeeper…

### 3.8.1 — Apache Kafka 3.8.1 Release Announcement

- Date: 2024-10-29
- Version: 3.8.1
- Original notes: https://kafka.apache.org/blog/2024/10/29/apache-kafka-3.8.1-release-announcement/
- Permalink: https://whatsnew.fyi/product/apache-kafka/releases/3.8.1

We are proud to announce the release of Apache Kafka 3.8.1. This is a bugfix release. For a full list of changes, be sure to check the release notes. See the Upgrading to 3.8.1 from any version 0.8.x…