Polars: py-0.15.14 Release

🚀 Performance improvements

• first check rev-map on categorical equality check (#6085)

✨ Enhancements

• add arr.take expression (#6116)
• allow extend_constant to work with date literals (#6114)
• allow nested categorical cast (#6113)
• add a rounded_corners modifier to pl.Config.set_tbl_formatting (#6108)
• huge speedup of scalar-to-array expansion on frame init from dict (#6111)
• extend existing fast range->Series init to lists of ranges in a Series (#6099)
• additional (opt-in) options for assert_frame_equal (#6096)
• add search_sorted for arrays and utf8 dtype (#6083)

🐞 Bug fixes

• ensure multi-line type hints are parenthesised (#6100)
• fix invalid dtype in chunked array after struct cast (#6093)
• don't run cse cache_states if no projections found (#6087)
• Support all datatypes in glimpse and align with head/tail (#6091)
• Update read_csv error message (#6082)
• propogate nulls in binary arithmetic/aggregation (#6076)

🛠️ Other improvements

• Fix docstring with_context (#6118)
• Use Dataframe.item internally and in tests (#6109)
• Assert deprecation warning on check_column_names (#6110)
• enable unused import autofix via ruff (#6102)

Thank you to all our contributors for making this release possible! @alexander-beedie, @gitkwr, @huitseeker, @ritchie46, @stinodego and @zundertj