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OSDOCS#10135: 4.16 Release Note updates for ARM and Multi-arch #77260

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Jun 19, 2024
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OSDOCS#10135: 4.16 Release Note updates for ARM and Multi-arch #77260

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30 changes: 30 additions & 0 deletions release_notes/ocp-4-16-release-notes.adoc
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Expand Up @@ -127,6 +127,31 @@ With this release, you can enable bring your own public IPv4 addresses (BYOIP) f

You can deploy {product-title} {product-version} in {gcp-first} in the Dammam, Saudi Arabia (`me-central2`) region and in the Johannesburg, South Africa (`africa-south1`) region. For more information, see xref:../installing/installing_gcp/installing-gcp-account.adoc#installation-gcp-regions_installing-gcp-account[Supported GCP regions].

[id="ocp-4.16-postinstallation-configuration_{context}"]
=== Postinstallation configuration

[id="ocp-4.16-multiarch-tuning-operator_{context}"]
==== Managing workloads on multi-architecture clusters by using the Multiarch Tuning Operator (Technology Preview)

With this release, you can manage workloads on multi-architecture clusters by using the Multiarch Tuning Operator. This Operator enhances the operational experience within multi-architecture clusters, and single-architecture clusters that are migrating to a multi-architecture compute configuration. It implements the `ClusterPodPlacementConfig` custom resource (CR) to support architecture-aware workload scheduling.

For more information, see xref:../post_installation_configuration/configuring-multi-arch-compute-machines/multiarch-tuning-operator.adoc#multiarch-tuning-operator[Managing workloads on multi-architecture clusters by using the Multiarch Tuning Operator].

[IMPORTANT]
====
The Multiarch Tuning Operator is a Technology Preview feature only. It does not support clusters with restricted network scenarios.
====

[id="ocp-4.16-arm-control-plane-with-x86-compute-machines_{context}"]
==== Support for adding 64-bit x86 compute machines to a cluster with 64-bit ARM control plane machines

This feature provides support for adding 64-bit x86 compute machines to a multi-architecture cluster with 64-bit ARM control plane machines. With this release, you can add 64-bit x86 compute machines to a cluster that uses 64-bit ARM control plane machines and already includes 64-bit ARM compute machines.

[id="ocp-4.16-agent-installer-cluster-with-multi-payload_{context}"]
==== Support for installing an Agent-based Installer cluster with multi payload

This feature provides support for installing an Agent-based Installer cluster with `multi` payload. After installing the Agent-based Installer cluster with `multi` payload, you can add compute machines with different architectures to the cluster.

[id="ocp-4-16-web-console_{context}"]
=== Web console

Expand Down Expand Up @@ -1506,6 +1531,11 @@ In the following tables, features are marked with the following statuses:
|Technology Preview
|Technology Preview

|Multiarch Tuning Operator
|Not available
|Not available
|Technology Preview

|====

[discrete]
Expand Down