feat: promote CAInjectorMerging to beta and enable by default#8017
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cert-manager-prow[bot] merged 1 commit intocert-manager:masterfrom Aug 28, 2025
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Signed-off-by: Adam Talbot <adamtalbot93@googlemail.com>
erikgb
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/lgtm
We have been using this feature gate in our clusters since it was introduced. And it has removed "noisy" webhook CA rotations.
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/approve |
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: ThatsMrTalbot The full list of commands accepted by this bot can be found here. The pull request process is described here DetailsNeeds approval from an approver in each of these files:
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This PR contains the following updates: | Package | Update | Change | |---|---|---| | [cert-manager](https://cert-manager.io) ([source](https://github.com/cert-manager/cert-manager)) | minor | `v1.18.2` -> `v1.19.0` | --- ### Release Notes <details> <summary>cert-manager/cert-manager (cert-manager)</summary> ### [`v1.19.0`](https://github.com/cert-manager/cert-manager/releases/tag/v1.19.0) [Compare Source](cert-manager/cert-manager@v1.18.2...v1.19.0) cert-manager is the easiest way to automatically manage certificates in Kubernetes and OpenShift clusters. This release focuses on expanding platform compatibility, improving deployment flexibility, enhancing observability, and addressing key reliability issues. > 📖 Read the full release notes at cert-manager.io: <https://cert-manager.io/docs/releases/release-notes/release-notes-1.19> Changes since `v1.18.0`: #### Feature - Add IPv6 rules to the default network policy ([#​7726](cert-manager/cert-manager#7726), [@​jcpunk](https://github.com/jcpunk)) - Add `global.nodeSelector` to helm chart to allow for a single `nodeSelector` to be set across all services. ([#​7818](cert-manager/cert-manager#7818), [@​StingRayZA](https://github.com/StingRayZA)) - Add a feature gate to default to Ingress `pathType` `Exact` in ACME HTTP01 Ingress challenge solvers. ([#​7795](cert-manager/cert-manager#7795), [@​sspreitzer](https://github.com/sspreitzer)) - Add generated `applyconfigurations` allowing clients to make type-safe server-side apply requests for cert-manager resources. ([#​7866](cert-manager/cert-manager#7866), [@​erikgb](https://github.com/erikgb)) - Added API defaults to issuer references group (cert-manager.io) and kind (Issuer). ([#​7414](cert-manager/cert-manager#7414), [@​erikgb](https://github.com/erikgb)) - Added `certmanager_certificate_challenge_status` Prometheus metric. ([#​7736](cert-manager/cert-manager#7736), [@​hjoshi123](https://github.com/hjoshi123)) - Added `protocol` field for `rfc2136` DNS01 provider ([#​7881](cert-manager/cert-manager#7881), [@​hjoshi123](https://github.com/hjoshi123)) - Added experimental field `hostUsers` flag to all pods. Not set by default. ([#​7973](cert-manager/cert-manager#7973), [@​hjoshi123](https://github.com/hjoshi123)) - Support configurable resource requests and limits for ACME HTTP01 solver pods through ClusterIssuer and Issuer specifications, allowing granular resource management that overrides global `--acme-http01-solver-resource-*` settings. ([#​7972](cert-manager/cert-manager#7972), [@​lunarwhite](https://github.com/lunarwhite)) - The `CAInjectorMerging` feature has been promoted to BETA and is now enabled by default ([#​8017](cert-manager/cert-manager#8017), [@​ThatsMrTalbot](https://github.com/ThatsMrTalbot)) - The controller, webhook and ca-injector now log their version and git commit on startup for easier debugging and support. ([#​8072](cert-manager/cert-manager#8072), [@​prasad89](https://github.com/prasad89)) - Updated `certificate` metrics to the collector approach. ([#​7856](cert-manager/cert-manager#7856), [@​hjoshi123](https://github.com/hjoshi123)) #### Bug or Regression - ACME: Increased challenge authorization timeout to 2 minutes to fix `error waiting for authorization` ([#​7796](cert-manager/cert-manager#7796), [@​hjoshi123](https://github.com/hjoshi123)) - BUGFIX: permitted URI domains were incorrectly used to set the excluded URI domains in the CSR's name constraints ([#​7816](cert-manager/cert-manager#7816), [@​kinolaev](https://github.com/kinolaev)) - Enforced ACME HTTP-01 solver validation to properly reject configurations when multiple ingress options (`class`, `ingressClassName`, `name`) are specified simultaneously ([#​8021](cert-manager/cert-manager#8021), [@​lunarwhite](https://github.com/lunarwhite)) - Increase maximum sizes of PEM certificates and chains which can be parsed in cert-manager, to handle leaf certificates with large numbers of DNS names or other identities ([#​7961](cert-manager/cert-manager#7961), [@​SgtCoDFish](https://github.com/SgtCoDFish)) - Reverted adding the `global.rbac.disableHTTPChallengesRole` Helm option. ([#​7836](cert-manager/cert-manager#7836), [@​inteon](https://github.com/inteon)) - This change removes the `path` label of core ACME client metrics and will require users to update their monitoring dashboards and alerting rules if using those metrics. ([#​8109](cert-manager/cert-manager#8109), [@​mladen-rusev-cyberark](https://github.com/mladen-rusev-cyberark)) - Use the latest version of `ingress-nginx` in E2E tests to ensure compatibility ([#​7792](cert-manager/cert-manager#7792), [@​wallrj](https://github.com/wallrj)) #### Other (Cleanup or Flake) - Helm: Fix naming template of `tokenrequest` RoleBinding resource to improve consistency ([#​7761](cert-manager/cert-manager#7761), [@​lunarwhite](https://github.com/lunarwhite)) - Improve error messages when certificates, CRLs or private keys fail admission due to malformed or missing PEM data ([#​7928](cert-manager/cert-manager#7928), [@​SgtCoDFish](https://github.com/SgtCoDFish)) - Major upgrade of Akamai SDK. NOTE: The new version has not been fully tested end-to-end due to the lack of cloud infrastructure. ([#​8003](cert-manager/cert-manager#8003), [@​hjoshi123](https://github.com/hjoshi123)) - Update kind images to include the Kubernetes 1.33 node image ([#​7786](cert-manager/cert-manager#7786), [@​wallrj](https://github.com/wallrj)) - Use `maps.Copy` for cleaner map handling ([#​8092](cert-manager/cert-manager#8092), [@​quantpoet](https://github.com/quantpoet)) - Vault: Migrate Vault E2E add-on tests from deprecated `vault-client-go` to the new `vault/api` client. ([#​8059](cert-manager/cert-manager#8059), [@​armagankaratosun](https://github.com/armagankaratosun)) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS4xMzUuNCIsInVwZGF0ZWRJblZlciI6IjQxLjEzNS40IiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJjaGFydCJdfQ==--> Reviewed-on: https://gitea.alexlebens.dev/alexlebens/infrastructure/pulls/1711 Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net> Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>
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@ThatsMrTalbot We have released this. Please test and feedback: https://github.com/cert-manager/cert-manager/releases/tag/v1.19.1 |
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Pull Request Motivation
This pull request updates the
CAInjectorMergingfeature gate in the CA Injector component, promoting it from Alpha to Beta status and enabling it by default. This means the feature, which merges new certs instead of replacing them outright, is now considered more stable and will be active unless explicitly disabled.Kind
/kind feature
Release Note