Narhwals v1.4.0

Changes

🚀 Performance improvements

• perf: remove some lambdas from _dask backend (#765)

✨ Enhancements

• feat: allow from_dict to not have native_namespace arg if all inputs are already narwhals Series (#760)
• feat: extend dataframe drop_nulls method (#779)
• feat: implement LazyFrame.head for Dask (plus: run tpc-h q2 query with Dask present) (#768)
• feat: add str.replace and str.replace_all (#750)
• feat: dask lazyframe remaining methods (#778)
• feat: dask sum_horizontal (#775)
• feat: dask namespace lit method (#772)
• feat: DaskSelectorNamespace (#771)
• feat: dataframe to_arrow method (#770)
• feat: series to_arrow method (#769)
• feat: dask expr is_first|last_distinct methods (#764)
• feat: dask expr __invert__, is_null, n_unique methods (#763)
• feat: dask expr len method (#762)
• feat: Series.pipe and Expr.pipe (#582)

🐞 Bug fixes

• fix: empty with_columns not working for pandas backend (#757)

📖 Documentation

• docs: add Altair to "used by" section (#776)
• docs: include "downloads per month" in readme (#774)
• docs: run tpch q1 with more libraries (#759)
• docs: use animals instead of cars in example (#758)
• docs: patch Series.cat page (#755)

🛠️ Other improvements

• chore: simplify Expr.clip (#777)
• chore: tests series_only refactor (#766)

Thank you to all our contributors for making this release possible!
@FBruzzesi, @MarcoGorelli, @lucianosrp and @muddi900