compatibility.fyi
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Source-backed version compatibility

Calico Kubernetes Version Compatibility

Calico Kubernetes version compatibility. Calico Open Source v3.33 system requirements list Kubernetes 1.35, 1.36, and 1.37 as actively tested.

Full Calico matrixJSON data
5Version groups
5Documented constraints
2026-10-08Last verified

Quick answer

Kubernetes compatibility by Calico version

Supported and tested versions have compatibility evidence. Recommended and bundled versions describe upstream choices without establishing compatibility. Versions outside the documented coverage are unknown, not necessarily incompatible.

Calico version

3.33

Tested Kubernetes versions

>=1.35 <1.38

Calico Open Source v3.33 system requirements list Kubernetes 1.35, 1.36, and 1.37 as actively tested.

high confidence · verified 2026-10-08 · runtime

Calico version

3.32

Tested Kubernetes versions

>=1.34 <1.37

Calico Open Source v3.32 system requirements list Kubernetes 1.34, 1.35, and 1.36 as actively tested.

high confidence · verified 2026-10-08 · runtime

Calico version

3.31

Tested Kubernetes versions

>=1.32 <1.36

Calico Open Source v3.31 system requirements list Kubernetes 1.32, 1.33, 1.34, and 1.35 as actively tested.

high confidence · verified 2026-10-08 · runtime

Calico version

3.30

Tested Kubernetes versions

>=1.31 <1.36

Calico Open Source v3.30 system requirements list Kubernetes 1.31, 1.32, 1.33, 1.34, and 1.35 as actively tested.

high confidence · verified 2026-10-08 · runtime

Calico version

3.29

Tested Kubernetes versions

>=1.29 <1.33

Calico Open Source v3.29 system requirements list Kubernetes 1.29, 1.30, 1.31, and 1.32 as actively tested.

high confidence · verified 2026-10-08 · runtime

Primary evidence

Sources

Every constraint above is backed by upstream documentation, tagged source, release notes, or another project-owned primary source.

  1. Calico 3.33 Kubernetes requirementsAccessed 2026-10-08
  2. Calico 3.32 Kubernetes requirementsAccessed 2026-10-08
  3. Calico 3.31 Kubernetes requirementsAccessed 2026-10-08
  4. Calico 3.30 Kubernetes requirementsAccessed 2026-10-08
  5. Calico 3.29 Kubernetes requirementsAccessed 2026-10-08