What Iceberg v4's Proposed FILE Type Means for Multimodal Tables
September 21, 2026Iceberg v4's proposed FILE type brings first-class media references to tables, via Parquet's FILE logical type, ranges, checksums, and pre-signed URLs.
5 posts tagged with "Iceberg v4"
Parquet-Only Manifests in Iceberg v4: Why the Metadata Layer Is Going Columnar
August 25, 2026Iceberg v4 is moving manifests from Avro to Parquet so planners can read only the stats they need. Why the metadata layer is going columnar.
Iceberg v4's Adaptive Metadata Tree, Explained From First Principles
August 24, 2026Iceberg v4's adaptive metadata tree, explained from first principles: why commits rewrite too much today and how the tree makes change cheaper.
Why Iceberg v4 Is Really About Making the Cost of Change Proportional to the Change
August 24, 2026Iceberg v4 is really about making the cost of a change proportional to the change. The principle, the current tax, and what the redesign pays down.
The State of Apache Iceberg v4 in July 2026: What the Dev List Tells Us About the Format's Next Chapter
July 06, 2026What the Iceberg v4 dev list tells us about adaptive metadata trees, single-file commits, column updates, and the format's next chapter in mid-2026.