Apache Data Lakehouse Weekly: April 30–May 6, 2026

The release wave that defined late April carried straight into early May, with Arrow shipping two more votes in seven days, Polaris settling into post-1.4.0 stabilization mode, and the Iceberg dev list staying focused on V4 design follow-ups from the summit. The clearest story of the week is Arrow's release engineering: the arrow-rs 58.2.0 vote that opened on April 28 closed cleanly on May 2, and the Arrow .NET 23.0.0 vote opened the same day and passed by May 5. Two votes, two passing results,