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RELEASE NOTESAPACHE SOFTWARE FOUNDATIONVERIFIED

PUBLISHER UPDATE · APACHE-KAFKA-4.2.1

APACHE-KAFKA-4.2.1 release notes and known issues

4.2.1

Scope: Apache Kafka. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.

Summary

Apache Kafka 4.2.1 release

Improvements and security content

  • Apache Kafka 4.2.1 release

Known issues

Publisher statement

Not stated. The verified publisher record does not contain a known-issues statement.

Affected products and versions

Products

  • Apache Kafka

Affected versions

  • 4.2.1

Fixed versions or updates

  • No fixed version is stated in this record.

Recommended action

Review the official publisher document before deployment.

Official publisher evidence

APACHE SOFTWARE FOUNDATIONVERIFIED

4.2.1

Checked 28 Sep 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.

Open the official publisher source