Windows Container Support for Red Hat OpenShift release notes

The release notes for Red Hat OpenShift for Windows Containers tracks the development of the WMCO, which provides all Windows container workload capabilities in OKD.

You must have a subscription to receive support for the Red Hat WMCO. Deploying Windows container workloads in production clusters is not supported without a subscription. If you do not have a subscription, you can use the community WMCO, a distribution that lacks official support. Request support through the Red Hat Customer Portal.

Issued: 2021-04-15

The WMCO 1.0.4 is now available with bug fixes. The components of the WMCO were released in .

• Previously, if you had a cluster with two Windows nodes, and you created a web server deployment with two replicas, the pods would each land on a Windows compute node. In this scenario, if you created a object with type LoadBalancer, communication with the load balancer endpoint was flaky. To mitigate this issue, you were required to use Windows Server 2019 with a version 10.0.17763.1457 or earlier. This issue has been fixed, and you are no longer restricted to a subset of Windows Server 2019 image versions. (BZ#1942630)

Issued: 2021-02-15

The WMCO 1.0.3 is now available with bug fixes and security updates. The components of the WMCO were released in .

The support statements and known issues documented for the WMCO 1.0.2 release also apply for this release of the WMCO.

This release of the WMCO provides initial support for running Windows compute nodes in an OKD cluster. The components of the WMCO were released in .

WMCO supports self-managed clusters built using installer-provisioned infrastructure running on the following cloud providers:

• Amazon Web Services (AWS)

• Windows Server Long-Term Servicing Channel (LTSC): Windows Server 2019