RHBA-2026:1767 - Bug Fix Advisory

Topic

The components for Red Hat OpenShift for Windows Containers 10.21 are now available

Description

Red Hat OpenShift for Windows Containers allows you to deploy Windows container workloads running on Windows Server containers.

Solution

For Windows Machine Config Operator upgrades, see the following documentation: https://docs.openshift.com/container-platform/latest/windows_containers/windows-node-upgrades.html

Fixes

• WINC-1462 - Explicitly set NodeLogQuery feature gate when enableSystemLogQuery is true
• OCPBUGS-61122 - Secret controller logger has incorrect output
• OCPBUGS-64719 - Windows hybrid-overlay-node service restarts due to cert rotation error
• WINC-1490 - React to 1.34 kube rebase in WMCO
• WINC-1438 - Compress WMCO payload
• OCPBUGS-62815 - Red herring error log: the cache is not started, can not read objects
• WINC-1147 - WICD should only be given access to the Node its running on

CVEs

(none)

References

• https://docs.openshift.com/container-platform/4.21/windows_containers/index.html