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Update Helm release cert-manager to v1.21.0#479

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Update Helm release cert-manager to v1.21.0#479
renovate[bot] wants to merge 1 commit into
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renovate/cert-manager-1.x

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@renovate renovate Bot commented Mar 27, 2026

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This PR contains the following updates:

Package Update Change
cert-manager (source) minor v1.20.0v1.21.0

Release Notes

cert-manager/cert-manager (cert-manager)

v1.21.0

Compare Source

v1.20.3

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v1.20.2

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cert-manager is the easiest way to automatically manage certificates in Kubernetes and OpenShift clusters.

v1.20.2 fixes invalid YAML generated in the Helm chart when both webhook.config
and webhook.volumes are defined, and bumps Go to 1.26.2 along with dependencies
to address reported vulnerabilities.

Changes by Kind

Bug or Regression
Other (Cleanup or Flake)

v1.20.1

Compare Source

cert-manager is the easiest way to automatically manage certificates in Kubernetes and OpenShift clusters.

v1.20.1 fixes an issue for OpenShift users that has to do with the finalizer RBAC, bumps gRPC to address a reported non-affecting vulnerability, and fixes a duplicate parentRef bug when both issuer config and annotations are present (Gateway API).

Bug or Regression
  • Fixed duplicate parentRef bug when both issuer config and annotations are present. (#​8658, @​hjoshi123)
  • Add missing issuer finalizer RBAC to the order controller to support owner references. This was preventing OpenShift users from being able to upgrade to v1.20.0. (#​8655, @​erikgb)
  • Bump google.golang.org/grpc to fix vulnerability reported by scanners. This isn't a vulnerability that affects cert-manager, but we are bumping it because it is reported by scanners. (#​8657, @​erikgb)

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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate Bot changed the title Update Helm release cert-manager to v1.20.1 Update Helm release cert-manager to v1.20.2 Apr 13, 2026
@renovate renovate Bot force-pushed the renovate/cert-manager-1.x branch from 3fe9404 to 039bd99 Compare April 13, 2026 10:34
@renovate renovate Bot force-pushed the renovate/cert-manager-1.x branch from 039bd99 to 674b9d1 Compare May 14, 2026 18:02
@renovate renovate Bot changed the title Update Helm release cert-manager to v1.20.2 Update Helm release cert-manager to v1.20.3 Jun 25, 2026
@renovate renovate Bot force-pushed the renovate/cert-manager-1.x branch from 674b9d1 to b3fc57f Compare June 25, 2026 19:10
@renovate renovate Bot changed the title Update Helm release cert-manager to v1.20.3 Update Helm release cert-manager to v1.21.0 Jul 8, 2026
@renovate renovate Bot force-pushed the renovate/cert-manager-1.x branch from b3fc57f to 9670dce Compare July 8, 2026 23:10
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