pola-rs/polars py-0.19.13-rc.1

Python Polars 0.19.13-rc.1

on GitHub

⚠️ Deprecations

• Deprecate DataFrame.as_dict positional input (#12131)

🚀 Performance improvements

• Reduce compute in error message for failed datetime parsing (#12147)

✨ Enhancements

• tunable concurrency (#12171)
• support reverse sort in streaming (#12169)
• Add .arr.to_list expression (#12136)
• Support decimals in assert utils (#12119)
• add concurrency budget (#12117)
• improved support for use of file-like objects with DataFrame "write" methods (#12113)
• Introduce ignore_nulls for str.concat (#12108)

🐞 Bug fixes

• fix incorrect desc sort behavior (#12141)
• take should block predicate pushdown (#12130)
• use null type when read from unknown row (#12128)
• boundary predicate to block all accumulated predicates in push down (#12105)
• make python schema_overrides information available to the rust-side inference code when initialising from records/dicts (#12045)
• fix panic when initializing Series with array of list dtype (#12148)
• Fix schema of arr.min/max (#12127)
• ensure filter predicate inputs exist in schema (#12089)

🛠️ Other improvements

• pin ring (#12176)
• Improve strip_{prefix, suffix} & strip_chars_{start, end} (#12161)
• Fix tests for pyarrow 14 (#12170)
• Fix rendering of note in DataFrame.fold (#12164)
• Fix triggers for docs deployment (#12159)
• Refactor some tests (#12121)
• Consolidate contributing info (#12109)
• Fix typo in user-guide/expressions/plugins.md (#12115)
• Render docstring text in single backticks as code (#12096)
• use more ergonomic syntax in select/with_columns where possible (#12101)
• Update CODEOWNERS (#12107)
• visualize plugin directory layout in user guide (#12092)
• Minor tweak in code example in section Expressions/Aggregation (#12033)
• Minor tweak in code example in section Expressions/Missing data (#12080)
• Minor improvements to the docs website (#12084)

Thank you to all our contributors for making this release possible!
@MarcoGorelli, @Priyansh121096, @alexander-beedie, @dependabot, @dependabot[bot], @jrycw, @moritzwilksch, @nameexhaustion, @reswqa, @ritchie46, @stefmolin and @stinodego