What Apache Polaris 1.9.0 adds for multi-cloud lakehouses: Cloudflare R2 credential vending, a DynamoDB persistence backend, and the Iceberg 1.12 client.
How data agents prune enterprise schemas down to the columns that matter, ground filter values, and pick few-shot SQL examples with the right shape.
A platform engineer's upgrade guide to Apache Iceberg 1.12.0: variant and geospatial changes, REST catalog behavior, removed APIs, and rollback.
Build a golden-question benchmark for data agents: frozen Iceberg tags, execution-based scoring with Arrow, and CI gates.
