Iceberg updates for REST catalog and wire format compatible modes (#1238)

Author: kbatuigas

modules/manage/pages/iceberg/choose-iceberg-mode.adoc

@@ -45,6 +45,16 @@ The latest schema is cached periodically. The cache period is defined by the clu
 
 Default for `redpanda.iceberg.mode`. Disables writing to an Iceberg table for the topic.
 
+[NOTE]
+====
+The following modes are compatible with producing to an Iceberg topic using Redpanda Console:
+
+- `key_value`
+- Starting in version 25.2, `value_schema_latest` with a JSON schema
+
+Otherwise, records may fail to write to the Iceberg table and instead write to the xref:manage:iceberg/about-iceberg-topics.adoc#manage-dead-letter-queue[dead-letter queue].
+====
+
 == Configure Iceberg mode for a topic
 
 You can set the Iceberg mode for a topic when you create the topic, or you can update the mode for an existing topic.

modules/manage/partials/iceberg/about-iceberg-topics.adoc

@@ -135,7 +135,7 @@ TOPIC              STATUS
 <new-topic-name>   OK
 ----
 
-. Configure `redpanda.iceberg.mode` for the topic. You can choose one of the following modes:
+. Configure `redpanda.iceberg.mode` for the topic. You can choose one of the following xref:manage:iceberg/choose-iceberg-mode.adoc[Iceberg modes]:
 +
 --
 * `key_value`: Creates an Iceberg table using a simple schema, consisting of two columns, one for the record metadata including the key, and another binary column for the record's value.
@@ -154,8 +154,6 @@ rpk topic alter-config <new-topic-name> --set redpanda.iceberg.mode=<topic-icebe
 TOPIC              STATUS
 <new-topic-name>   OK
 ----
-+
-See also: xref:manage:iceberg/choose-iceberg-mode.adoc[].
 
 . Register a schema for the topic. This step is required for the `value_schema_id_prefix` and `value_schema_latest` modes.
 +

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

@@ -28,11 +28,11 @@ The Iceberg integration for Redpanda Cloud supports multiple Iceberg catalogs ac
 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
+| | Databricks Unity Catalog | Snowflake Open Catalog | AWS Glue Data Catalog | Google BigQuery
 
-|AWS |Beta |Beta |Beta
-|Azure |Beta |Beta |Beta
-|GCP |Beta |Beta |Beta
+|AWS   |Supported |Beta |Beta |N/A
+|GCP   |Supported |Beta |N/A  |Beta
+|Azure |Beta      |Beta |N/A  |N/A
 |===
 endif::[]
 
@@ -46,13 +46,16 @@ The following shows the current status of Iceberg catalog integrations. Check th
 |===
 |Catalog service | Status
 
-|Databricks Unity Catalog |Tested
-|Snowflake Open Catalog |Tested
-|Dremio Nessie |Tested
+|Databricks Unity Catalog |Supported
+|Snowflake Open Catalog |Supported
+|AWS Glue Data Catalog | Beta
+|Google BigQuery |Beta
 
 |===
 endif::[]
 
+Other REST catalogs such as Dremio Nessie, Apache Polaris, and the Apache reference implementation have been tested but are not regularly verified. For more information, contact https://support.redpanda.com/hc/en-us/requests/new[Redpanda Support^].
+
 === Set cluster properties
 
 To connect to a REST catalog, set the following cluster configuration properties:

modules/reference/pages/properties/cluster-properties.adoc

@@ -2090,6 +2090,26 @@ endif::[]
 
 // end::iceberg_rest_catalog_authentication_mode[]
 
+// tag::iceberg_rest_catalog_base_location[]
+
+=== iceberg_rest_catalog_base_location
+
+NOTE: This property is available in Redpanda version 25.1.7 and later.
+
+Base URI for the Iceberg REST catalog. If unset, the REST catalog server determines the location. Some REST catalogs, like AWS Glue, require the client to set this. After Iceberg is enabled, do not change this value.
+
+*Requires restart:* Yes
+
+*Visibility:* `user`
+
+*Type:* string
+
+*Default:* `null`
+
+---
+
+// end::iceberg_rest_catalog_base_location[]
+
 // tag::iceberg_rest_catalog_client_id[]
 === iceberg_rest_catalog_client_id