v4.0 Update 5 - SaaS

5 Mar,2026

Upstream Kubernetes for Bare Metal and VMs

Kubernetes patch versions update

Previously only the latest patch version for each minor version was available in the upgrade flow. With this release, all patch versions that are available for new cluster creation are now also available for cluster upgrades.

For the full Kubernetes version support matrix, see Support Matrix.

Bug fixes

Bug ID	Description
RC-46840	Fixed error when clicking Save Changes on Cluster Overrides created via CLI invalid resource selector

v1.1.57 - Terraform Provider

An updated version of the Terraform provider is now available.

aks_cluster_v3 – The following configuration options have been added to the AKS v3 Terraform resource:

• Azure managed Web Application Routing add-on
• Azure managed Istio service mesh add-on
• Key Vault Secret Provider CSI Driver
• Custom kubelet config
• http_proxy, https_proxy, no_proxy configuration
• Snapshot support
• Network dataplane: Cilium
• Network policy: Cilium
• Node Auto Provisioning (NAP)

For an example reference with these fields, see rafay_aks_cluster_v3/resource.tf.

Documentation update for EKS resource

• EKS system components placement

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