Two corrections on top of the naming pass, both found by checking the live cluster rather than the source. The rename had silently changed the user-facing annotation key from argocd.argoproj.io/sync-wave to cd.argoproj.io/sync-wave — 63 live Applications carry the old key, so deploying that would have ignored every sync-wave and broken fleet deploy ordering. The key is now cd.hanzo.ai/*, and universe 575650286 moves the ApplicationSet template that stamps it, so the controller regenerates all 63 consistently. The API group in code said argoproj.io/v1alpha1 in 157 places while the cluster has served apps.hanzo.ai/v1alpha1 since 2026-07-23 (the CRDs are applications.apps.hanzo.ai). Code now matches what is actually served. The legacy applications.argoproj.io/app-name label had ZERO live users, so it went with the rest. foo.argoproj.io test fixtures became foo.example.com — arbitrary test domains should not carry a vendor name. go build ./... exit 0. Co-authored-by: Hanzo Dev <[email protected]>
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v3.0 to 3.1
Symlink protection in API --staticassets directory
The --staticassets directory in the API server (/app/shared by default) is now protected against out-of-bounds
symlinks. This is to help protect against symlink attacks. If you have any symlinks in your --staticassets directory
to a location outside the directory, they will return a 500 error starting with 3.1.
v1 Actions API Deprecated
The /api/v1/applications/{name}/resource/actions endpoint is deprecated in favor of /api/v1/applications/{name}/resource/actions/v2.
This endpoint allows API users to run a custom resource action on a specific resource in an application.
The old endpoint accepted various parameters as query parameters. The POST body was the action name.
The new endpoint accepts all parameters as part of the POST body as a JSON object. The new endpoint also supports a new
resourceActionParameters field to parameterize action runs.
The old endpoint will be removed in a future release, so users should migrate to the new endpoint as soon as possible. API clients will just need to change the endpoint URL and switch query string parameters to a JSON body.
If the old endpoint is used, the API will log a warning message:
RunResourceAction was called. RunResourceAction is deprecated and will be removed in a future release. Use RunResourceActionV2 instead.
The CLI will fall back to the old endpoint if the new one is not available. If it falls back, it will log a warning message:
RunResourceActionV2 is not supported by the server, falling back to RunResourceAction.
OpenID Connect authorization code flow with PKCE is now handled by the server instead of the UI
Previously, when PKCE was enabled, the authorization code flow (the process which happens when you log in to Hanzo CD using OpenID Connect) was handled by the UI, whereas this flow was handled by the server if PKCE was not enabled. The server now always handles this flow, PKCE being enabled or not.
Detection
To check whether PKCE is used or not, run the following command:
kubectl get cm cd-cm -n cd -o=jsonpath="{.data.oidc\.config}" | grep enablePKCEAuthentication
If it returns "enablePKCEAuthentication": true, then PKCE is used.
Remediation
On your identity provider, ensure that the OIDC client used for Hanzo CD has the /auth/callback endpoint of your Hanzo CD URL (e.g. https://cd.example.com/auth/callback) in the redirect URIs.
Helm Upgraded to 3.18.4
Hanzo CD v3.1 upgrades the bundled Helm version to 3.18.4. There are no breaking changes in Helm 3.18 according to the release notes.
Kustomize Upgraded to 5.7.0
Hanzo CD v3.1 upgrades the bundled Kustomize version to 5.7.0. There are no breaking changes in Kustomize 5.7 according to the release notes.
Breaking Changes
Sanitized project API response
Due to security reasons (GHSA-786q-9hcg-v9ff), the project API response was sanitized to remove sensitive information. This includes credentials of project-scoped repositories and clusters.
Added Healthchecks
- core.spinkube.dev/SpinApp
- opentelemetry.io/OpenTelemetryCollector
- logstash.k8s.elastic.co/Logstash
- kyverno.io/Policy
- projectcontour.io/HTTPProxy
- grafana.integreatly.org/GrafanaDashboard
- grafana.integreatly.org/GrafanaFolder
- postgresql.cnpg.io/Cluster
- gateway.networking.k8s.io/GRPCRoute
- gateway.networking.k8s.io/Gateway
- gateway.networking.k8s.io/HTTPRoute
- rabbitmq.com/Binding
- rabbitmq.com/Exchange
- rabbitmq.com/Permission
- rabbitmq.com/Policy
- rabbitmq.com/Queue
- rabbitmq.com/Shovel
- rabbitmq.com/User
- rabbitmq.com/Vhost