pola-rs/polars py-0.14.28

Python Polars 0.14.29

on GitHub

🚀 Performance improvements

• specialized utf8 groupby in streaming (#5535)

✨ Enhancements

• add dataframe.pearson_corr (#5533)
• support namespace registration (#5531)
• make map_alias fallible (#5532)
• pl.min & pl.max accept wildcard similar to pl.sum (#5511)
• additional support for using timedelta with duration-type arguments (#5487)

🐞 Bug fixes

• fix(rust, python); fix projection pushdown in asof joins (#5542)
• streaming hstack allow duplicates (#5538)
• fix streaming empty join panic (#5534)
• fix duplicate caches in cse and prevent quadratic … (#5528)
• allow appending categoricals that are all null (#5526)
• tz-aware strftime (#5525)
• make 'truncate' tz-aware (#5522)
• fix coalesce expreession expansion (#5521)
• fix nested aggregatin in when then and window expr… (#5520)
• fix sort_by expression if groups already aggregated (#5518)
• fix bug in batched parquet reader that dropped dfs… (#5506)
• preserve Series name when exporting to pandas (#5498)
• Refactor is_between (#5491)
• fix bugs in skew and kurtosis (#5484)

🛠️ Other improvements

• support tabbed panels in sphinx, add namespace docs (#5540)
• Update dev dependencies (#5517)

Thank you to all our contributors for making this release possible!
@alexander-beedie, @braaannigan, @ghuls, @ritchie46, @sorhawell and @zundertj