DuckDB 1.5.3 Adds MERGE, ALTER, and REST Catalog Support to Iceberg Extension
Version 1.5.3 brings full MERGE INTO and ALTER TABLE capabilities to DuckDB’s Iceberg extension, along with partition transforms, Iceberg V3 compatibility, and enhanced REST catalog features. These additions let users perform upserts, schema evolution, and advanced table management directly from DuckDB, simplifying lakehouse workflows.