v0.26.1

v0.26.1

Planned updates to supported kubernetes versions

• Kubernetes 1.33 reaches end of standard support on August 31, 2026
  • Extended support continues until August 31, 2027 for clusters with valid license tokens
  • Clusters will continue to function but will not receive CVE patches or bug fixes after standard support ends
• Kubernetes 1.30 reaches end of extended support on August 31, 2026
  • No further patches will be available after this date
  • Existing clusters will continue to function but upgrading is strongly recommended

For complete version support details, see the Kubernetes version support table.

Supported OS version details

	vSphere	Bare Metal	Nutanix	Snow
Ubuntu 22.04	✔	✔	✔	✔
Ubuntu 24.04	✔	✔	✔	—
Bottlerocket 1.64.0	✔	—	—	—
RHEL 8.x	✔	✔	✔	—
RHEL 9.x	✔	✔	✔	—

* Bottlerocket v1.64.0 applies to Kubernetes versions 1.33 through 1.36. Kubernetes versions 1.30 through 1.32 remain on Bottlerocket v1.62.0.

Added

• redhat_epel_rpm and epel_rpm_gpg_key image-builder configuration options, allowing RHEL images to be built in networks that cannot reach the Fedora EPEL mirrors (#5632)

Changed

• EKS Distro:
  • v1-36-eks-6
  • v1-35-eks-12
  • v1-34-eks-21
  • v1-33-eks-30
  • v1-32-eks-40
  • v1-31-eks-47
  • v1-30-eks-58
• Bottlerocket (Kubernetes 1.33-1.36): v1.62.0 to v1.64.0 (#5626)
• Cluster API Provider AWS Snow (CAPAS): v0.3.1 to v0.3.3 (#5606)

Fixed

• Fix registry mirror image pulls failing on Bottlerocket nodes running Kubernetes 1.33 and above, caused by a containerd v2 regression in Bottlerocket. Resolved by the Bottlerocket v1.64.0 bump (#5626)
• Fix Tinkerbell binding address (#10921)
• Fix feature flags not propagating to the controller during an upgrade with no version difference (#10907)
• Fix MachineHealthCheck timeout duration overflow in v1beta2 conversion (#10874)
• Increase Tinkerbell node deletion timeout to 30s (#10906)