Modern Polars: A comparison of the Polars and Pandas dataframe libraries - https://news.ycombinator.com/item?id=34275818 - Jan 2023 (62 comments)
Also:
Polars: Fast DataFrame library for Rust and Python - https://news.ycombinator.com/item?id=29584698 - Dec 2021 (124 comments)
Polars: Rust DataFrames Based on Apache Arrow - https://news.ycombinator.com/item?id=23768227 - July 2020 (1 comment)