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54Compatibility entries

Compatibility guides

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Supported or tested matches establish compatibility. Recommendations and bundles alone do not. Missing coverage is unknown; only explicit upstream evidence establishes incompatibility.

Compatibility matrix

54 entries
RKE2DependencyDocumented versionsEvidence
1.37.1+rke2r1Architecturesupported architecture
x86_64arm64

Upstream installation requirements list these architectures, and this exact release provides corresponding Linux binaries.

1.37.1+rke2r1CNIcertified network plugin
canalcalicociliummultusflannel

The support matrix certifies Canal, Calico, Cilium, Multus, and Flannel configurations.

Evidence: supported
Verified 2026-10-08
1.37.1+rke2r1Container Runtimeadditionally supported runtime integration
nvidia-container-runtime

The support matrix lists NVIDIA Container Runtime; Docker CRI is explicitly limited to K3s.

Evidence: supported
Verified 2026-10-08
1.37.1+rke2r1Oracle Linuxoperating system validated through RHEL testing
10.210.09.89.6

The matrix treats Oracle Linux as validated through the listed RHEL testing.

Evidence: supported
Verified 2026-10-08
1.37.1+rke2r1Rhelcertified operating system
10.210.09.89.6

The matrix certifies these RHEL versions and treats Oracle Linux and Rocky Linux as validated through RHEL testing.

Evidence: supported
Verified 2026-10-08
1.37.1+rke2r1Rocky Linuxoperating system validated through RHEL testing
10.210.09.89.6

The matrix treats Rocky Linux as validated through the listed RHEL testing.

Evidence: supported
Verified 2026-10-08
1.37.1+rke2r1Sle Microcertified operating system
6.26.1

The support matrix certifies SLE Micro 6.2 and 6.1.

Evidence: supported
Verified 2026-10-08
1.37.1+rke2r1Slescertified operating system
16.015 SP7

The support matrix certifies SLES 16.0 and 15 SP7.

Evidence: supported
Verified 2026-10-08
1.37.1+rke2r1Ubuntucertified operating system
26.0424.04

The support matrix certifies Ubuntu 26.04 and 24.04.

Evidence: supported
Verified 2026-10-08
1.37.1+rke2r1Vsphere Cpisupported out-of-tree cloud provider integration
1.15.300

The support matrix lists vSphere CPI chart 1.15.300 and cautions against upgrading with in-tree cloud providers.

Evidence: supported
Verified 2026-10-08
1.37.1+rke2r1Vsphere Csisupported out-of-tree storage integration
3.7.2-rancher700

The support matrix lists vSphere CSI chart 3.7.2-rancher700.

Evidence: supported
Verified 2026-10-08
1.37.1+rke2r1Windows CNIWindows worker network plugin
calicoflannel

The support matrix requires Calico or Flannel for Windows workers; the control plane must run on Linux.

Evidence: supported
Verified 2026-10-08
1.37.1+rke2r1Windows Serversupported Windows worker operating system
2022

Windows Server 2022 workers are supported in Linux control-plane clusters and require Calico or Flannel CNI.

Evidence: supported
Verified 2026-10-08
1.36.5+rke2r1Architecturesupported architecture
x86_64arm64

Upstream installation requirements list these architectures, and this exact release provides corresponding Linux binaries.

1.36.5+rke2r1CNIcertified network plugin
canalcalicociliummultusflannel

The support matrix certifies Canal, Calico, Cilium, Multus, and Flannel configurations.

Evidence: supported
Verified 2026-10-08
1.36.5+rke2r1Container Runtimeadditionally supported runtime integration
nvidia-container-runtime

The support matrix lists NVIDIA Container Runtime; Docker CRI is explicitly limited to K3s.

Evidence: supported
Verified 2026-10-08
1.36.5+rke2r1Oracle Linuxoperating system validated through RHEL testing
10.210.110.09.89.7

The matrix treats Oracle Linux as validated through the listed RHEL testing.

Evidence: supported
Verified 2026-10-08
1.36.5+rke2r1Rhelcertified operating system
10.210.110.09.89.7

The matrix certifies these RHEL versions and treats Oracle Linux and Rocky Linux as validated through RHEL testing.

Evidence: supported
Verified 2026-10-08
1.36.5+rke2r1Rocky Linuxoperating system validated through RHEL testing
10.210.110.09.89.7

The matrix treats Rocky Linux as validated through the listed RHEL testing.

Evidence: supported
Verified 2026-10-08
1.36.5+rke2r1Sle Microcertified operating system
6.26.16.0

The support matrix certifies SLE Micro 6.2, 6.1, and 6.0.

Evidence: supported
Verified 2026-10-08
1.36.5+rke2r1Slescertified operating system
16.015 SP715 SP6

The support matrix certifies SLES 16.0, 15 SP7, and 15 SP6.

Evidence: supported
Verified 2026-10-08
1.36.5+rke2r1Ubuntucertified operating system
26.0424.0422.04

The support matrix certifies Ubuntu 26.04, 24.04 and 22.04.

Evidence: supported
Verified 2026-10-08
1.36.5+rke2r1Vsphere Cpisupported out-of-tree cloud provider integration
1.15.300

The support matrix lists vSphere CPI chart 1.15.300 and cautions against upgrading with in-tree cloud providers.

Evidence: supported
Verified 2026-10-08
1.36.5+rke2r1Vsphere Csisupported out-of-tree storage integration
3.7.2-rancher700

The support matrix lists vSphere CSI chart 3.7.2-rancher700.

Evidence: supported
Verified 2026-10-08
1.36.5+rke2r1Windows CNIWindows worker network plugin
calicoflannel

The support matrix requires Calico or Flannel for Windows workers; the control plane must run on Linux.

Evidence: supported
Verified 2026-10-08
1.36.5+rke2r1Windows Serversupported Windows worker operating system
2022

Windows Server 2022 workers are supported in Linux control-plane clusters and require Calico or Flannel CNI.

Evidence: supported
Verified 2026-10-08
1.35.9+rke2r1Architecturesupported architecture
x86_64arm64

Upstream installation requirements list these architectures, and this exact release provides corresponding Linux binaries.

1.35.9+rke2r1CNIcertified network plugin
canalcalicociliummultusflannel

The support matrix certifies Canal, Calico, Cilium, Multus, and Flannel configurations.

Evidence: supported
Verified 2026-10-08
1.35.9+rke2r1Container Runtimeadditionally supported runtime integration
nvidia-container-runtime

The support matrix lists NVIDIA Container Runtime; Docker CRI is explicitly limited to K3s.

Evidence: supported
Verified 2026-10-08
1.35.9+rke2r1Opensuse Leapoperating system validated through SLES testing
15.715.615.5

The matrix lists openSUSE Leap 15.7, 15.6, and 15.5 as validated through SUSE Linux Enterprise testing.

Evidence: supported
Verified 2026-10-08
1.35.9+rke2r1Oracle Linuxoperating system validated through RHEL testing
10.210.110.09.89.79.69.48.108.98.8

The matrix treats Oracle Linux as validated through the listed RHEL testing.

Evidence: supported
Verified 2026-10-08
1.35.9+rke2r1Rhelcertified operating system
10.210.110.09.89.79.69.48.108.98.8

The matrix certifies these RHEL versions and treats Oracle Linux and Rocky Linux as validated through RHEL testing.

Evidence: supported
Verified 2026-10-08
1.35.9+rke2r1Rocky Linuxoperating system validated through RHEL testing
10.210.110.09.89.79.69.48.108.98.8

The matrix treats Rocky Linux as validated through the listed RHEL testing.

Evidence: supported
Verified 2026-10-08
1.35.9+rke2r1Sle Microcertified operating system
6.26.16.0

The support matrix certifies SLE Micro 6.2, 6.1, and 6.0.

Evidence: supported
Verified 2026-10-08
1.35.9+rke2r1Slescertified operating system
16.015 SP715 SP6

The support matrix certifies SLES 16.0, 15 SP7, and 15 SP6.

Evidence: supported
Verified 2026-10-08
1.35.9+rke2r1Ubuntucertified operating system
26.0424.0422.0420.04

The support matrix certifies Ubuntu 26.04, 24.04, 22.04, and 20.04.

Evidence: supported
Verified 2026-10-08
1.35.9+rke2r1Vsphere Cpisupported out-of-tree cloud provider integration
1.15.300

The support matrix lists vSphere CPI chart 1.15.300 and cautions against upgrading with in-tree cloud providers.

Evidence: supported
Verified 2026-10-08
1.35.9+rke2r1Vsphere Csisupported out-of-tree storage integration
3.7.2-rancher700

The support matrix lists vSphere CSI chart 3.7.2-rancher700.

Evidence: supported
Verified 2026-10-08
1.35.9+rke2r1Windows CNIWindows worker network plugin
calicoflannel

The support matrix requires Calico or Flannel for Windows workers; the control plane must run on Linux.

Evidence: supported
Verified 2026-10-08
1.35.9+rke2r1Windows Serversupported Windows worker operating system
20192022

Windows Server 2019 LTSC and 2022 workers are supported in Linux control-plane clusters and require Calico or Flannel CNI.

Evidence: supported
Verified 2026-10-08
1.34.12+rke2r1Architecturesupported architecture
x86_64arm64

Upstream installation requirements list these architectures, and this exact release provides corresponding Linux binaries.

1.34.12+rke2r1CNIcertified network plugin
canalcalicociliummultusflannel

The support matrix certifies Canal, Calico, Cilium, Multus, and Flannel configurations.

Evidence: supported
Verified 2026-10-08
1.34.12+rke2r1Container Runtimeadditionally supported runtime integration
nvidia-container-runtime

The support matrix lists NVIDIA Container Runtime; Docker CRI is explicitly limited to K3s.

Evidence: supported
Verified 2026-10-08
1.34.12+rke2r1Opensuse Leapoperating system validated through SLES testing
15.715.615.5

The matrix lists openSUSE Leap 15.7, 15.6, and 15.5 as validated through SUSE Linux Enterprise testing.

Evidence: supported
Verified 2026-10-08
1.34.12+rke2r1Oracle Linuxoperating system validated through RHEL testing
10.210.110.09.89.79.69.48.108.98.8

The matrix treats Oracle Linux as validated through the listed RHEL testing.

Evidence: supported
Verified 2026-10-08
1.34.12+rke2r1Rhelcertified operating system
10.210.110.09.89.79.69.48.108.98.8

The matrix certifies these RHEL versions and treats Oracle Linux and Rocky Linux as validated through RHEL testing.

Evidence: supported
Verified 2026-10-08
1.34.12+rke2r1Rocky Linuxoperating system validated through RHEL testing
10.210.110.09.89.79.69.48.108.98.8

The matrix treats Rocky Linux as validated through the listed RHEL testing.

Evidence: supported
Verified 2026-10-08
1.34.12+rke2r1Sle Microcertified operating system
6.16.05.5

The support matrix certifies SLE Micro 6.1, 6.0, and 5.5.

Evidence: supported
Verified 2026-10-08
1.34.12+rke2r1Slescertified operating system
16.015 SP715 SP615 SP5

The support matrix certifies SLES 16.0, 15 SP7, 15 SP6, and 15 SP5.

Evidence: supported
Verified 2026-10-08
1.34.12+rke2r1Ubuntucertified operating system
26.0424.0422.0420.04

The support matrix certifies Ubuntu 26.04, 24.04, 22.04, and 20.04.

Evidence: supported
Verified 2026-10-08
1.34.12+rke2r1Vsphere Cpisupported out-of-tree cloud provider integration
1.15.300

The support matrix lists vSphere CPI chart 1.15.300 and cautions against upgrading with in-tree cloud providers.

Evidence: supported
Verified 2026-10-08
1.34.12+rke2r1Vsphere Csisupported out-of-tree storage integration
3.7.2-rancher700

The support matrix lists vSphere CSI chart 3.7.2-rancher700.

Evidence: supported
Verified 2026-10-08
1.34.12+rke2r1Windows CNIWindows worker network plugin
calicoflannel

The support matrix requires Calico or Flannel for Windows workers; the control plane must run on Linux.

Evidence: supported
Verified 2026-10-08
1.34.12+rke2r1Windows Serversupported Windows worker operating system
20192022

Windows Server 2019 LTSC and 2022 workers are supported in Linux control-plane clusters and require Calico or Flannel CNI.

Evidence: supported
Verified 2026-10-08