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Artifact Hub drops any maintainer entry without an email (internal/tracker/source/helm/helm.go), so no maintainer is shown for any of our charts today. Adding the address is what makes the entry appear. Without artifacthub.io/category, Artifact Hub predicts one from the keywords with a small model trained on a hand-labelled keyword corpus. For data infrastructure it regularly gets that wrong: Redash is classified as security, NiFi as monitoring-logging, and OpenSearch lands on four different categories across five charts. superset, zookeeper and commons use skip-prediction, which is the documented way to say that none of the eight values fits. Artifact Hub ranks exact name matches highest, so a search for "hive" ranks hive-operator poorly. artifacthub.io/alternativeName is weighted like the name. It has to be a substring of the chart name or the whole chart version is rejected (internal/pkg/manager.go). The value is configured per operator rather than derived from product_string, which would alias commons, listener and secret to their own chart name and give spark-k8s-operator "spark-k8s" instead of the "spark" people search for. artifacthub.io/operator is redundant while Artifact Hub infers it from "operator" appearing in the chart name, and is declared so the listing does not depend on that inference. The Stackable Hub link uses the same slug and the same has_product gate as NOTES.txt, so commons, listener and secret, which have no Hub component, get none. The listing shows only the oci.stackable.tech image, because that is the registry the indexed chart resolves to. The quay.io link points at the mirror of the same image.
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October 3, 2026 21:27
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Adds more metadata for Artifact Hub.
See inline for what and why.
Rendered for hive: