Call out supported Iceberg catalogs (#1151)

Author: kbatuigas

modules/manage/partials/iceberg/use-iceberg-catalogs.adoc

@@ -20,6 +20,37 @@ For BYOVPC clusters, you must:
 +
 Secrets management is enabled by default for AWS if you follow the guide to xref:get-started:cluster-types/byoc/aws/vpc-byo-aws.adoc[creating a new BYOVPC cluster]. For GCP, follow the guides to enable secrets management for a xref:get-started:cluster-types/byoc/gcp/vpc-byo-gcp.adoc[new BYOVPC cluster] or an xref:get-started:cluster-types/byoc/gcp/enable-secrets-byovpc-gcp.adoc[existing BYOVPC cluster].
 . Ensure that your network security settings allow egress traffic from the Redpanda network to the catalog service endpoints.
+
+=== Limitations
+
+The Iceberg integration for Redpanda Cloud supports multiple Iceberg catalogs across different cloud platforms, with progressive levels of release maturity. Each combination of cloud provider and catalog integration is tested and released independently.
+
+The following matrix shows the current status of Iceberg integrations across different cloud providers and catalogs. Check this matrix regularly as Redpanda Cloud continues to expand GA coverage for Iceberg topics.
+
+|===
+| |Databricks Unity Catalog |Snowflake Open Catalog |Dremio Nessie
+
+|AWS |Beta |Beta |Beta
+|Azure |Beta |Beta |Beta
+|GCP |Beta |Beta |Beta
+|===
+endif::[]
+
+ifndef::env-cloud[]
+=== Limitations
+
+The Iceberg integration for Redpanda Self-Managed supports multiple Iceberg catalogs, with progressive levels of release maturity. Each catalog integration is tested and released independently.
+
+The following shows the current status of Iceberg catalog integrations. Check this list regularly as Redpanda continues to expand GA coverage for Iceberg topics.
+
+|===
+|Catalog service | Status
+
+|Databricks Unity Catalog |Tested
+|Snowflake Open Catalog |Tested
+|Dremio Nessie |Tested
+
+|===
 endif::[]
 
 === Set cluster properties