Polars 2.0 Adds Out-of-Core Processing and First-Class SQL

Published 13 October 2026

Polars 2.0 enables streaming and spill-to-disk processing by default, adds a native Map dtype, and delivers first-class SQL support. Benchmarks show Polars outperforming DuckDB and DataFusion across the tested TPC-H and TPC-DS workloads.