That is a healthy direction for analytics, BI, data science, and AI agents.
What 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.
Apache Parquet in 2026 — variant types, geospatial, ALP encoding, footer redesign, the versioning debate, and how the decade-old format is renovating for AI workloads.
Apache Polaris as a TLP — federation, credential vending, semantic layers, lineage, and how the open catalog became the governance plane of the multi-engine lakehouse.