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For GKE Standard clusters, the maximum number of nodes that you can upgrade simultaneously by using surge...

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For GKE Standard clusters, the maximum number of nodes that you can upgrade simultaneously by using surge upgrades ( maxSurge + maxUnavailable ) is now 100. Each of these settings can be set as high as 100, but their sum can be no higher than 100. For more information, see Surge upgrades .

Read on docs.cloud.google.com

Also shipped Jul 7, 2026Google Cloud in July 2026 →

More from Google Kubernetes EngineEvery Google Kubernetes Engine release →

GKE Gateway now supports backend mutual TLS (mTLS)

GKE Gateway now supports backend mutual TLS (mTLS). In addition to backend authenticated TLS, backend mTLS allows the GKE Gateway load balancer to authenticate its identity to backend Pods by presenting a client certificate. GKE Gateway configures backend mTLS using the standard Gateway API spec.tls.backend.clientCertificateRef field.

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(2026-R28) Version updates

GKE cluster versions have been updated. New versions available for upgrades and new clusters. The following versions are now available for new GKE clusters, and for manual control plane upgrades and node upgrades for existing clusters. For more information about versioning and upgrades, see GKE versioning and support and About GKE cluster upgrades .

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Note : Your clusters might not have these versions available

Note : Your clusters might not have these versions available. Rollouts are already in progress when we publish the release notes, and can take multiple days to complete across all Google Cloud zones. Version 1.36.0-gke.3712000 is now the default version for cluster creation in the Rapid channel.

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