Apache Data Lakehouse Weekly: May 21-27, 2026

Apache Iceberg and related lakehouse projects shifted from recent releases to protocol and governance work.

Iceberg approved an unregister endpoint for the REST spec and explored client capability headers and request-signer context.

Go, C++, and PyIceberg moved toward new releases, while Flink support was revisited.

Across the ecosystem, Arrow finalized a donation and Parquet voted on a long-discussed statistics change.