pola-rs/polars py-0.16.2 on GitHub

🚀 Performance improvements

implement fill_null for list data (#6635)
expression functions should be nullable (#6629)
Implement unary plus operation on exprs and series (#6517)
add streamable udfs (#6614)
is_first for struct dtype (#6595)
Added from_str_radix method to StringNameSpace that allows to parse strings from any base to i32 (#6570)
Implement DataFrame Interchange Protocol through pyarrow (#6581)
improve predicate pushdown (#6579)
raise error on invalid binary cmp (#6564)

make string_repr private (#6636)
treat literal values consistently in select context, improve related typing (#6628)
Fix _repr_html_ double-height rows (#5645) (#6534)
fix(rust, python) cast to and from fixed offsets (#6602)
raise error on string numeric arithmetic (#6601)
don't convert "ns"-precision temporal types via pyarrow (#6592)
partially assert sortedness in groupby dynamic (#6593)
fix(rust, python); raise oob if negative index given to take (#6590)
fix predicate pushdown key check (#6577)
fix schema of apply with many inputs on empty df (#6571)
let lhs determine struct order in supertype (#6572)
ensure consistent handling of 1D numpy arrays with respect to other sequences (#6569)
fix(rust, python) validate utc, fmt, and tz-aware in strptime (#6550)
add strptime to filter boundary (#6560)

make string_repr private (#6636)
add example of using is_between with string bounds, and extend test coverage for the same (#6627)
provide additional examples for diff methods (#6630)
Consistent handling of env vars (#6626)
make structify behaviour experimental, while also extending it to aliased expressions (#6615)
Disallow clippy borrow deref ref (#6605)
Update ruff version and some settings (#6588)
Add release flow info to contributing guide (#6480)
Use assert_series_equal instead of s.series_equal(...) (#6582)
cleanup last vestiges of experimental kwargs setting (#6568)
Use assert_frame_equal instead of assert df.frame_equal(...) (#6553)
Update to PyO3 to 0.18.0 (#6531)