Apache Iceberg v4: An Efficiency Rewrite of the Table Format

Iceberg 1.11.0, released in May 2026, contains the full implementation of the v3 spec(ification), including features like deletion vectors, the VARIANT type, and row lineage. But what comes next? V4, obviously, as four comes after 3. However, it's still early days on the v4 spec, so we are a ways off from the next version […] The post Apache Iceberg v4: An Efficiency Rewrite of the Table Format…