Amazon Managed Streaming for Apache Kafka (Amazon MSK) now supports Apache Kafka version 2.4.1 for new clusters. Apache Kafka 2.4.1 includes several bug fixes and new features that reduce latency and improve performance. Support for Apache Kafka version 2.4.1 is offered in all regions where Amazon MSK is available . For a complete list of improvements and bug fixes, see the Apache Kafka release notes for 2.4.1 and 2.4.0 .