Narwhals v1.6.4

Changes

✨ Enhancements

• feat: implement to_arrow for cuDF (#924)
• feat: add on key to join (#927)

🐞 Bug fixes

• fix: fix join when using string literals (#930)

📖 Documentation

• doc: update drop_nulls for series documentation (#928)

🛠️ Other improvements

• feat: implement to_arrow for cuDF (#924)

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

Narwhals v1.6.3

Changes

• [pre-commit.ci] pre-commit autoupdate (#818)
• patch: group by n_unique (#917)

✨ Enhancements

• feat: add q8 of tpch (#922)
• feat: enable by argument in join_asof (#921)
• feat: Add q12, q13, q14, q16, q22 (#910)
• feat: enable on key in join_asof (#916)
• feat: Add join_asof support for pandas and dask (#911)
• feat: dask lit with dtype (#909)
• feat: Add more queries of tpch (#898)

🐞 Bug fixes

• fix: Fixes arrow support for df[:, list[int|str]] (#923)

📖 Documentation

• docs: fix a typo (#925)
• docs: Recommend uv in contributing guide (#873)

🛠️ Other improvements

• test: fixup tpch tests (#918)
• ci: allow pre-releases in nightly uv pip install (#913)
• test: xfail dt.date tests for cuDF (#912)
• ci: add tests for the queries of TPC-H (#899)

Thank you to all our contributors for making this release possible!
@AlessandroMiola, @FBruzzesi, @IsaiasGutierrezCruz, @LiamConnors, @MarcoGorelli, @luke396, @pre-commit-ci, @pre-commit-ci[bot], @raisadz and @thomasjpfan

Narwhals v1.6.2

Changes

🐞 Bug fixes

• fix: compatiblity with Python3.8 for Ibis (#906)
• fix: use nw.Unknown for unknown dtypes (#904)

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

Narwhals v1.6.1

Changes

• patch: Improve q10, q11, q2, q3, q4, and q5 queries (#893)
• patch: api completeness table hotfix (#886)

✨ Enhancements

• feat: Duckdb interchange (#902)
• feat: Better ibis interchange (#901)
• feat: Add q6 of tpch (#894)
• feat: add q5 implementation (#892)
• feat: add q4 implementation (#891)
• feat: Add q3 of tpch (#889)
• feat: query 11 implementation (#887)

📖 Documentation

• docs: fix error in write_csv docstring (#895)
• docs: docstring for concat (#808)
• docs: Example correction (#888)

🛠️ Other improvements

• chore: clean up gitignore (#900)
• test: Test dask with npartitions=2 (#877)
• chore: run mypy only on narwhals/ and tests/ (#885)
• bench: port tpc-h q10 (#884)

Thank you to all our contributors for making this release possible!
@DeaMariaLeon, @EdAbati, @FBruzzesi, @LiamConnors, @MarcoGorelli, @Nikoleta-v3, @Sherwin-14, @luke396 and @montanarograziano

Narwhals v1.6.0

Changes

• patch: Improving typing of stable from_native when 'strict=False' (#875)
• patch: stableify concat function (#869)

✨ Enhancements

• feat: dask namespace concat method (#840)
• feat: support when-then-otherwise for Dask (#868)
• feat: dask expr cast (#821)
• feat: add maybe_get_index (#867)

🐞 Bug fixes

• patch: Fix inconsistent between tying and comments in from_native when 'strict=True' (#865)

📖 Documentation

• docs: fix relative links in contributing.md (#866)
• docs: add codespace steps and fork steps to CONTRIBUTING.md (#851)

📦 Build system

• build: exclude more files (plus some drive-by typing) (#882)

🛠️ Other improvements

• chore: move tpc-h queries to scripts (#880)
• chore: Exclude utils/ from build (#879)
• chore: improve (internal) Dask typing (#874)
• test: unxfail more modin tests (#871)
• test: Unxfail 2 modin tests (#870)

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

Narwhals v1.5.5

Changes

• Revert "patch: allow lit to broadcast as left operand" (#858)
• patch: allow lit to broadcast as left operand (#854)

✨ Enhancements

• feat: implement when/then/otherwise for PyArrow (#859)
• feat: add when-then-otherwise expression (#588)
• feat: use validate_column_comparand in zip_with (#857)
• feat: make DataFrame.select stricter: non-string columns can only be selected using nw.col (#855)

🛠️ Other improvements

• chore: simplify arrow (#860)

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

Narwhals v1.5.4

Changes

• ci: Correct labeller regex (#852)

✨ Enhancements

• feat: Add is_pandas_like_dataframe and is_pandas_like_series (#848)
• feat: Support more indexing: boolean lists to DataFrame.filter and Series.filter, add DataFrame.row, (#847)

🛠️ Other improvements

• patch: sum_horizontal ignore nulls (#825)
• chore: nox revamp and coverage threshold change (#850)

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

Narhwals v1.5.3

Changes

✨ Enhancements

• feat: dask in api-completeness table (#741)
• feat: add DaskExpr.quantile (#835)
• feat: mean_horizontal (#843)
• feat: support __getitem__ with slices for columns (#839)

📖 Documentation

• docs: add narwhals-gif to README.md (#845)
• docs: Fix indentation for getitem (#844)

🛠️ Other improvements

• ci: changed release-drafter regex (#846)
• test: remove to_numpy and to_list in tests (#842)

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

Narwhals v1.5.2

Changes

🐞 Bug fixes

• fix: __array__ for pandas (pyarrow dtypes) was raising for old versions of PyArrow (#837)

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

Narwhals v1.5.1

Changes

✨ Enhancements

• feat: write_csv (#832)
• feat: support dtype and copy in DataFrame.array (#826)
• feat: allow for non-string columns in select for pandas backend (#828)

🐞 Bug fixes

• fix: improve validate columns (#829)

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