Find out what is new in Event Streams version 12.0.x.
Release 12.0.1
Tiered storage support for Kafka topics
Event Streams version 12.0.1 introduces support for tiered storage for Kafka topics. This feature offloads historical topic data to remote storage, reducing storage requirements of local disks and improving cost efficiency.
Apicurio version updated to 2.6.13.Final
Event Streams 12.0.1 includes Apicurio Registry version 2.6.13.Final for managing schemas. Ensure all applications connecting to your instance of Event Streams that use the schema registry are using Apicurio client libraries version 2.5.0 or later before upgrading to Event Streams 12.0.1. For more information, see prerequisites.
Documentation: Highlighting differences between versions
Any difference in features or behavior introduced by Event Streams 12.0.1 compared to 12.0.0 or earlier is highlighted in this documentation by using the following graphic: 
Security and bug fixes
Event Streams release 12.0.1 contains security and bug fixes.
Release 12.0.0
Kafka version upgraded to 4.0.0
Event Streams version 12.0.0 includes Kafka release 4.0.0, and supports the use of all Kafka interfaces.
Kafka 4.0.0 introduces several significant improvements and includes updates to the Kafka APIs that might require changes to existing Kafka client, streaming, and Connect applications. Review the notable changes in Kafka 4.0.0 carefully, and plan your upgrade of existing deployments to avoid any impact on your Kafka applications.
Java version and Kafka client updates
Event Streams version 12.0.0 introduces changes to Java version requirements and client compatibility. Ensure that your applications are using supported Java versions and client libraries.
Collection of usage metrics
To improve product features, performance, and technical support, Event Streams 12.0.0 and later collects data about the usage of deployments by default. Data is collected about all Event Streams instances.
You can disable data collection at any time.
Support for Red Hat OpenShift Container Platform 4.19
Event Streams version 12.0.0 introduces support for Red Hat OpenShift Container Platform 4.19.
Security and bug fixes
Event Streams release 12.0.0 contains security and bug fixes.