Polars: py-0.16.6 Release

✨ Enhancements

• add is_duplicated/is_unique for struct dtype (#6940)
• add is_between method for Series (#6933)
• supported nested fixedsizebinary conversion (#6923)
• raise error on invalid aggregation expressions (#6921)
• provide better errors when failing to read CSV data from buffers that have advanced their read position (#6920)
• truncate file path on error msg (#6917)
• Parse JSON data in Utf8 to polars dtype (#6885)
• More ergonomic groupby args (#6872)

🐞 Bug fixes

• object to_dict (#6931)
• respect maintain_order in groupby.apply (#6926)
• add special fast path for elementwise expression o… (#6924)
• fix anonymous list builder (#6916)
• reject multithreading on excessive ',\n' fields (#6906)
• fix regression with date => object typing in to_pandas method (#6902)
• dispatch suffix to asof_join by (#6899)
• improve recursive casting of nested data (#6897)
• don't fast explode on null introducing take (#6890)
• prevent external modules found on PYTHONPATH from bleeding into polars venv (#6888)
• prevent conflation of unit.io tests directory with python io module (#6889)

🛠️ Other improvements

• Bump ruff version (#6936)
• add more nested construction tests (#6912)
• Update Cargo.lock (#6893)
• unify constructor logic when initialising from a sequence of dicts (#6887)
• prevent conflation of unit.io tests directory with python io module (#6889)
• refactor datelike as temporal, and support Time dtype in Series.to_numpy (#6881)
• Consistently parse column name inputs (#6879)
• Use Self type more consistently (#6882)

Thank you to all our contributors for making this release possible! @MarcoGorelli, @adamgreg, @alexander-beedie, @josh, @jvdd, @ritchie46 and @stinodego