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

Narwhals v0.9.18

Changes

• feat: add more methods to the pyarrow backend (#359)
• clean: assorted clean ups (#349)
• Fixes discord link (#348)
• feat: add nw.Object dtype (#344)

✨ Enhancements

• feat: add typeguard for is_pandas_dataframe (#362)
• feat: add is_pandas_dataframe (#361)
• feat: add duration dtype (#360)
• feat: start adding support Pyarrow table (not yet complete!) (#350)
• feat: add DataFrame.rows (#351)
• feat: add Series.to_list (#345)

🐞 Bug fixes

• fix: compatibility with old numpy versions (#364)

📖 Documentation

• docs: fix rendering (#353)

🛠️ Other improvements

• refactor: always recommend from_native (#358)
• refactor: remove get_ functions from translate (#354)

Thank you to all our contributors for making this release possible!
@EdAbati, @MarcoGorelli, @Priyansh121096 and @skrawcz

Narwhals v0.9.17

Changes

• Enh: extend narwhalify (#328)

✨ Enhancements

• feat: support Date dtype in Narwhals (#341)

📖 Documentation

• doc: added decorator (#334)
• docs: Update documentation for group_by (#332)

🛠️ Other improvements

• refactor: Refactor and reorganise tests (#336)
• refactor: rename series_from_iterable (#335)

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

Narwhals v0.9.16

Changes

✨ Enhancements

• feat: add cat.get_categories, make test numpy2.0 compatible (#329)

🐞 Bug fixes

• fix: group-by(...).agg(nw.col(...).len()) was raising unnecessarily (#330)

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