Narwhals v0.9.28

Changes

✨ Enhancements

• feat: add clone for dataframes (#406)

Thank you to all our contributors for making this release possible!
@EdAbati and @MarcoGorelli

Narwhals v0.9.27

Changes

• add tpch q21 notebook, remove outdated scripts (#398)
• patch: pandas-like drop hotfix (#394)

✨ Enhancements

• feat: some pyarrow dataframe methods (#404)

🐞 Bug fixes

• fix: dtype could not be passed to Series.array (#403)
• fix: raise if complex pandas aggregation would return empty results (#397)

📖 Documentation

• docs: dataframe docstring via template (#395)

📦 Build system

• build: try reducing wheel size (#405)

🛠️ Other improvements

• chore: make from_iterable private (#399)
• chore: factor sort_test out of test_common (#400)

Thank you to all our contributors for making this release possible!
@FBruzzesi and @MarcoGorelli

Narwhals v0.9.26

Changes

• lower minimum pandas version to 0.25.3 (#390 )

📖 Documentation

• docs: Change expression of merge example in Why (#391)

Thank you to all our contributors for making this release possible!
@MarcoGorelli and @luke396

Narwhals v0.9.25

Changes

• add Hamilton to README (#384)

✨ Enhancements

• feat: anti join (#378)
• feat: add Expr.cast and Series.cast for PyArrow backend (#389)
• feat: add Series.is_empty (#385)
• feat: add .cat.get_categories to pyarrow (#382)

📖 Documentation

• docs: Add contributing guide link to README.md (#383)

Thank you to all our contributors for making this release possible!
@FBruzzesi, @MarcoGorelli and @luke396

Narwhals v0.9.24

Changes

• allow slicing by sequence (#380)
• feat: add is_ordered_categorical (#377)

✨ Enhancements

• feat: add Expr.any, Expr.all, Series.any, and Series.all for PyArrow … (#381)

🛠️ Other improvements

• chore: increase local test coverage to 100 (#379)

Thank you to all our contributors for making this release possible!
@MarcoGorelli

Narwhals v0.9.23

Changes

✨ Enhancements

• feat: cross join (#347)
• feat: add unknown dtype for polars backend (#376)

🛠️ Other improvements

• chore: make constructor_series in conftest (#375)
• chore: add constructor fixture for tests (#373)
• chore: add Missing pyarrow methods script (#371)

Thank you to all our contributors for making this release possible!
@FBruzzesi and @MarcoGorelli

Narwhals v0.9.22

Changes

• bug: don't skip arrow tests on macOS (#367)

✨ Enhancements

• feat: add Unknown dtype (#369)
• feat: add IntoDataframe type hint (#365)

Thank you to all our contributors for making this release possible!
@EdAbati and @MarcoGorelli

Narwhals v0.9.21

Changes

• Fix compatibility with older NumPy versions #364

Narwhals v0.9.20

Changes

• Add TypeGuard for is_pandas_dataframe: #362

Narwhals v0.9.19

Changes

• refactor: always recommend from_native #358
• feat: add is_pandas_dataframe: #361