compatibility.fyi
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Source-backed version compatibility

cert-manager Kubernetes Version Compatibility

cert-manager Kubernetes version compatibility. cert-manager supported releases list 1.21 with Kubernetes 1.33 through 1.36.

Full cert-manager matrixJSON data
2Version groups
2Documented constraints
2026-10-08Last verified

Quick answer

Kubernetes compatibility by cert-manager 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.

cert-manager version

1.21

Supported Kubernetes versions

>=1.33 <1.37

cert-manager supported releases list 1.21 with Kubernetes 1.33 through 1.36.

high confidence · verified 2026-10-08 · runtime

cert-manager version

1.20

Supported Kubernetes versions

>=1.32 <1.36

cert-manager supported releases list 1.20 with Kubernetes 1.32 through 1.35.

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. cert-manager Supported ReleasesAccessed 2026-10-08