Apache Iceberg v4 vs v3 in 2026: Root Manifests, Single-File Commits, and What to Decide Now
Iceberg v4 is unreleased but partly ratified. What changed in 2026, how v4 differs from v3, and which tables to upgrade - with the dev-list evidence.
Apache Iceberg v3 Explained: 7 Spec Features That Change Your Lakehouse Upgrade Plan (2026)
Iceberg v3 adds deletion vectors, row lineage, VARIANT and geospatial types. What each feature changes, engine support, and how to sequence the upgrade.
Apache Iceberg vs Paimon: Lakehouse Table Formats 2026
Apache Iceberg vs Apache Paimon in 2026: streaming upserts, compaction, metadata design, catalog support, and a decision matrix for your lakehouse table format.