Release Notes - Kafka - Version 3.0.2

Below is a summary of the JIRA issues addressed in the 3.0.2 release of Kafka. For full documentation of the release, a guide to get started, and information about the project, see the Kafka project site.

Note about upgrades: Please carefully review the upgrade documentation for this release thoroughly before upgrading your cluster. The upgrade notes discuss any critical information about incompatibilities and breaking changes, performance changes, and any other changes that might impact your production deployment of Kafka.

The documentation for the most recent release can be found at https://kafka.apache.org/documentation.html.

Bug

• [KAFKA-12879] - Compatibility break in Admin.listOffsets()
• [KAFKA-13418] - Brokers disconnect intermittently with TLS1.3
• [KAFKA-13727] - Edge case in cleaner can result in premature removal of ABORT marker
• [KAFKA-13748] - Do not include file stream connectors in Connect's CLASSPATH and plugin.path by default
• [KAFKA-13750] - Client Compatability KafkaTest uses invalid idempotency configs
• [KAFKA-13759] - Disable producer idempotence by default in producers instantiated by Connect
• [KAFKA-13770] - Regression when Connect uses 0.10.x brokers due to recently added retry logic in KafkaBasedLog
• [KAFKA-13794] - Producer batch lost silently in TransactionManager
• [KAFKA-14055] - Transaction markers may be lost during cleaning if data keys conflict with marker keys
• [KAFKA-14107] - Upgrade Jetty for CVE fixes