Release of Polars 2.0
Summary
Polars 2.0 launches with out-of-core spill-to-disk support, a streaming engine by default, and a new Map datatype, all aimed at boosting performance and memory efficiency. The release emphasizes SQL as a first-class citizen and includes benchmark comparisons against DuckDB and DataFusion, plus stricter dtype handling. A migration guide and benchmark appendix are provided to help users upgrade and validate performance gains.