Concise summaries of official AWS update announcements for Amazon MSK.
Information as of November 3, 2026.
Amazon MSK now supports TLS 1.3 for MSK Provisioned clusters, enabling faster and more secure encryption for streaming data. Customers can enable TLS 1.3 by selecting a named security policy in their cluster configuration, with no changes required to existing clusters until a policy is applied.
Managed Prometheus collectors for Amazon Managed Service for Prometheus and Amazon CloudWatch now support Amazon MSK consumer-group metrics, collecting Kafka exporter and consumer-group lag metrics to help detect processing bottlenecks in streaming applications.
Amazon MSK Connect now enables in-place updates of connector plugins and worker configurations, reducing operational overhead and risk while preserving committed offsets
Amazon MSK Connect now allows you to pause and resume connectors, enabling safe temporary stops during maintenance or issue investigation without deleting and recreating them
Amazon MSK Connect and AWS Glue Schema Registry are now available in the AWS European Sovereign Cloud (Germany) region, enhancing tooling for streaming workloads.
AWS Transform provides agentic AI-powered migration assessments for moving on-premises Apache Kafka clusters to Amazon MSK, delivering compatibility checks, right-sized broker recommendations, and cost projections in minutes
Amazon MSK Connect now supports restarting newly created connectors and their tasks, enabling fast recovery for streaming data pipelines
Amazon MSK Replicator adds OAuth 2.0 authentication for replicating data from external Kafka clusters, preserving topic names and synchronizing consumer group offsets bidirectionally.
Amazon MSK Provisioned clusters now allow easy configuration of custom domain names for both ZooKeeper and KRaft modes.
Amazon MSK enables customers to migrate existing clusters to KRaft without provisioning new infrastructure, migrating data, or reconfiguring client applications. KRaft shifts metadata management from external ZooKeeper nodes to controllers within Kafka, improving performance and scalability.
AWS Glue Schema Registry simplifies streaming data schema management, improving data quality and reducing downstream application failures
Amazon MSK now supports Authorizer Log Delivery for Provisioned clusters, including Standard and Express brokers, at no additional cost, enabling detailed visibility into user and application access.
Amazon MSK Express brokers now deliver Apache Kafka data to Amazon S3 automatically, providing high-throughput and reliable data delivery while reducing operational overhead and costs by up to 60%.
Amazon MSK Express provides continuous delivery of Apache Kafka topics to Apache Iceberg tables on Amazon S3 Tables, reducing data ingestion and downstream query costs by up to 60% and 30% respectively compared to self-managed deployments.
Amazon MSK Express Brokers now supports Apache Kafka version 4.2, enhancing reliability and performance with improved leader election, smoother consumer rebalances, and optimized task assignments for Kafka Streams
Amazon MSK Replicator now supports data replication from external Apache Kafka clusters to MSK Standard brokers, using SASL/SCRAM or mutual TLS authentication, while preserving original topic names and avoiding infinite loops.
Amazon MSK Replicator now supports mTLS authentication for data replication from external Apache Kafka clusters to MSK Express brokers, enabling migration, disaster recovery, and data distribution across hybrid and multi-cloud environments
Amazon MSK provides AI agent skills that offer expert guidance for operating MSK, helping developers automate tasks and migrate to MSK Express, compatible with existing AI coding agents.
Amazon MSK now enables Intelligent Rebalancing for Express brokers on existing clusters, simplifying automatic partition balancing during scaling.
Amazon MSK Express Brokers now supports automatic topic creation with Kafka Streams, eliminating the need to manually pre-create or manage topics for stateful operations
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