rights reserved. 13 Iceberg Table Spec (V3) Version 3: Extended Types and Capabilities • Version 3 of the Iceberg spec extends data types and existing metadata structures to add new capabilities: • New data types: nanosecond timestamp(tz), unknown, variant, geometry, geography • Default value support for columns • Multi-argument transforms for partitioning and sorting • Row Lineage tracking • Binary deletion vectors • Table encryption keys https://iceberg.apache.org/spec/ より