RHEA-2026:2640 - Product Enhancement Advisory

Topic

Red Hat build of MicroShift release 4.22.0 is now available with updates to packages and images that fix several bugs.

Description

Red Hat build of MicroShift is Red Hat's light-weight Kubernetes orchestration solution designed for edge device deployments and is built from the edge capabilities of Red Hat OpenShift. MicroShift is an application that is deployed on top of Red Hat Enterprise Linux devices at the edge, providing an efficient way to operate single-node clusters in these low-resource environments.

This advisory contains the RPM packages for Red Hat build of MicroShift 4.22.0. Read the following advisory for the container images for this release:

https://access.redhat.com/errata/RHEA-2026:449

All of the bug fixes may not be documented in this advisory. Read the following release notes documentation for details about these changes:

https://docs.redhat.com/en/documentation/red_hat_build_of_microshift/4.22/html/red_hat_build_of_microshift_release_notes/index

All Red Hat build of MicroShift 4.22 users are advised to use these updated packages and images when they are available in the RPM repository.

Solution

For MicroShift 4.22.0, read the following documentation for important instructions on how to install the latest RPMs and fully apply this asynchronous errata update:

https://docs.redhat.com/en/documentation/red_hat_build_of_microshift/4.22/html/red_hat_build_of_microshift_release_notes/index

Affected Products

• Red Hat OpenShift Container Platform 4.22 for RHEL 9 x86_64
• Red Hat OpenShift Container Platform for Power 4.22 for RHEL 9 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.22 for RHEL 9 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.22 for RHEL 9 aarch64

Fixes

• OCPBUGS-66414 - MicroShift Cert-Manager Multi-Arch Digest Issues
• OCPBUGS-67293 - MicroShift AI Model Serving: Bump RHOAI to 2.25
• OCPBUGS-69439 - SRIOV tests timeouts are too short
• OCPBUGS-71234 - MicroShift should allow z-stream upgrades when custom featureGates are set
• OCPBUGS-71236 - MicroShift should align with OCP FeatureGate validation policies
• OCPBUGS-72418 - MicroShift SR-IOV RPM does not install rdma required packages
• OCPBUGS-73945 - MicroShift should support featuregates with support exceptions
• OCPBUGS-74141 - MicroShift SRIOV package should install multus
• OCPBUGS-77066 - SR-IOV container image references are pointing to multi-platform manifests
• OCPBUGS-77079 - CA bundle missing certificates
• OCPBUGS-78022 - SpecialHandlingSupportExceptionRequired is not parsed
• OCPBUGS-78594 - Feature gate lists can be set when FeatureSet is empty
• OCPBUGS-81632 - registry.redhat.io/cert-manager images are not using sigstore signatures in MicroShift CI

CVEs

(none)

References

(none)