Release 2019.4.6
Event Streams 2019.4.6 contains security and bug fixes.
Release 2019.4.5
Event Streams 2019.4.5 contains security and bug fixes.
Release 2019.4.4
Event Streams 2019.4.4 contains security and bug fixes.
For more information about the bugs fixed in 2019.4.4, see the issues page.
Release 2019.4.3
Event Streams 2019.4.3 contains security and bug fixes.
For more information about the bugs fixed in 2019.4.3, see the issues page.
Release 2019.4.2
Find out what is new in Event Streams version 2019.4.2.
Support for Red Hat OpenShift Container Platform 4.3
Event Streams 2019.4.2 introduces support for Red Hat OpenShift Container Platform 4.3.
OpenShift Container Platform 4.2 is also supported in this version, continuing the support introduced as part of Event Streams 2019.4.1 in IBM Cloud Pak for Integration.
Kafka version upgraded to 2.3.1
Event Streams version 2019.4.2 includes Kafka release 2.3.1, and supports the use of all Kafka interfaces.
Documentation: Highlighting differences between versions
Any difference in features or behavior introduced by Event Streams 2019.4.2 compared to 2019.4.1 is highlighted in this documentation using the following graphic: 
Community Edition is deprecated
The Event Streams Community Edition has been removed from version 2019.4.2.
Event Streams Community Edition is no longer available from 1 May 2020. For information about trying out Kafka and Event Streams for free, see the product pages.
Release 2019.4.1
Find out what is new in Event Streams version 2019.4.1.
Support for Red Hat OpenShift Container Platform 4.2
Event Streams 2019.4.1 installed in IBM Cloud Pak for Integration 2019.4.1 introduces support for Red Hat OpenShift Container Platform 4.2.
Support for multiple availability zones
Event Streams now supports running a single cluster that spans multiple zones.
Support for SSL client authentication when using the REST producer
In addition to using HTTP authorization, you can now use the Event Streams REST producer API with SSL client authentication.
This means you can provide the required API key with each REST call by embedding it into an SSL client certificate. This is useful when you are using third-party software where you cannot control the HTTP headers sent, or systems such as CICS events over HTTP.
Changing certificates for existing deployments
Event Streams 2019.4.1 now supports updating your external and internal certificates for an existing deployment.
Kafka version upgraded to 2.3.0
Event Streams version 2019.4.1 includes Kafka release 2.3.0, and supports the use of all Kafka interfaces.
Support for Red Hat OpenShift Container Platform routes
Event Streams now supports using OpenShift Container Platform routes.
If you are using the OpenShift Container Platform and have upgraded to Event Streams version 2019.4.1, you can switch to using OpenShift routes.
Support for IBM Cloud Private version 3.2.1
Event Streams 2019.4.1 is supported on IBM Cloud Private 3.2.1.
Default resource requirements have changed
See the updated tables for the Event Streams resource requirements.
Deprecated features
The simulated topic has been removed from the UI in Event Streams version 2019.4.1 and later.