What changed in data engineering in 2026 (and what didn't)
The lakehouse war is settled, the semantic layer is back, and dbt is still winning. A field report from inside the trenches.
Priya Natarajan· 9 min· February 3, 2026
Three things changed for data engineers in 2026. One you felt, two you didn't.
The lakehouse won
Delta vs Iceberg stopped being a religious war. Most enterprises picked Iceberg for portability and moved on.
Semantic layer came back
Looker's ghost haunted us for years. Cube, Malloy, and the dbt Semantic Layer made it real for the modern stack.