Living definition
What is Apache Iceberg v3 / v4 spec?
Data Engineering & Real-Time Streaming Compute & Web Infra
- As of
- 2026-07-22
- Revision
- 2026-07-22.1
- Method
- v1.3.0
Definition
The term, in context
AI-assisted draft · approved dataset
The Apache Iceberg v3 and v4 specifications are successive revisions of the Iceberg open table format that extend how its metadata layer describes changes to underlying Parquet data files. They add capabilities such as row-level deletion vectors, richer variant typing, and more compact commit records for the changes a query engine makes to a table.
Live readiness status
Status as of the current dateline
AI-assisted assembly · derived results
As of 2026-07-22, verified readiness is 54 (claimed 70, reported 63, gap 16) — Strong evidence strength; current signals suggest Adopt with guardrails.
The readiness fact belongs to the canonical Readiness Verdict for Apache Iceberg v3 / v4 spec.
Dataset approval
Human editorial release
pragma.vision editorial — standing authorization (operator dev@soft.house, 2026-07-17)
- Dataset
- 2026-07-22.1
- Hash
- sha256:2bf83ba8fe86d0c871510bbef8b13d2db675e4d9efe9c64fe0e754acb6688534
- Approved
- 2026-07-22