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OSDOCS#15342: Release notes for 4.15.55 #96330

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28 changes: 28 additions & 0 deletions release_notes/ocp-4-15-release-notes.adoc
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Expand Up @@ -2791,6 +2791,34 @@ This section will continue to be updated over time to provide notes on enhanceme
For any {product-title} release, always review the instructions on xref:../updating/updating_a_cluster/updating-cluster-web-console.adoc#updating-cluster-web-console[updating your cluster] properly.
====

// 4.15.55
[id="ocp-4-15-55_{context}"]
=== RHSA-2025:11351 - {product-title} 4.15.55 bug fix update

Issued: 23 July 2025

{product-title} release 4.15.55 is now available. The list of bug fixes that are included in this update is documented in the link:https://access.redhat.com/errata/RHSA-2025:11351[RHSA-2025:11351] advisory. The RPM packages that are included in this update are provided by the link:https://access.redhat.com/errata/RHSA-2025:11352[RHSA-2025:11352] advisory.

Space precluded documenting all of the container images for this release in the advisory.

You can view the container images in this release by running the following command:

[source,terminal]
----
$ oc adm release info 4.15.55 --pullspecs
----

[id="ocp-4-15-55-bug-fixes_{context}"]
==== Bug fixes

* Before this update, the `must-gather` tool collected CPU-related performance data sequentially per node, leading to significantly longer collection times in larger clusters. With this release, the `must-gather` tools collects the data in parallel, resulting in a reduction in collection time. (link:https://issues.redhat.com/browse/OCPBUGS-36371[OCPBUGS-36371])

* Before this update, cluster installations in affected versions hung due to missing API endpoint certificates. As a result, installations failed or stalled, delaying cluster setup and service deployment. With this update, the certificate issue in {hcp} cluster installations is resolved. This fix prevents API endpoint errors and allows {rh-rhacm-title} agents to start successfully. Cluster installations now complete as expected, with a smoother setup experience. (link:https://issues.redhat.com/browse/OCPBUGS-58506[OCPBUGS-58506])

[id="ocp-4-15-55-updating_{context}"]
==== Updating
To update an {product-title} 4.15 cluster to this latest release, see xref:../updating/updating_a_cluster/updating-cluster-cli.adoc#updating-cluster-cli[Updating a cluster by using the CLI].

// 4.15.54
[id="ocp-4-15-54_{context}"]
=== RHBA-2025:10306 - {product-title} 4.15.54 bug fix update
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