Apache Data Lakehouse Weekly: February 26 – March 5, 2026

Get Data Lakehouse Books: Apache Iceberg: The Definitive Guide Apache Polaris: The Definitive Guide Architecting an Apache Iceberg Lakehouse The Apache Iceberg Digest: Vol. 1 Lakehouse Community: Join the Data Lakehouse Community Data Lakehouse Blog Roll OSS Community Listings Dremio Lakehouse Developer Hub This week the Apache lakehouse ecosystem continued building on Polaris's graduation milestone while pressing forward on format evolution. Iceberg's efficient column update proposal drew a dedicated community sync on March 4, the REST spec remote signing vote closed with strong support, and Parquet's ALP encoding spec moved closer to final review. The week's threads signal that AI/ML workloads are now a first-class design consideration across all four projects. Apache Iceberg Efficient Column Updates Sync — March 4 The most active thread this week was the ongoing discussion of efficient column updates for wide tables. Anurag Mantripragada organized a dedicated community sync on Wedne