Narhwals v1.22.0

Changes

✨ Enhancements

• feat: improve error message on check_columns_exist (#1799)
• feat: DuckDB date (#1798)
• feat: DuckDB dt.to_string (#1794)
• feat: DuckDB dt.ordinal_day (#1796)
• feat: DuckDB dt.weekday (#1795)
• feat: add extra overload for concat for when it is not known statically whether inputs are eager or lazy (#1783)
• feat: duckdb replace_all with regex (#1784)
• feat: implement anti-join, str.len_chars, and null_count for DuckDB (#1777)
• feat: SparkLikeNamespace methods (#1779)
• feat: add SparkLikeStrNamespace methods (#1781)
• feat: add all, any and null_count Spark Expressions (#1724)
• feat: add missing dunder methods in SparkLikeExpr and SparkLikeNamespace.lit (#1708)
• feat: implement cross-join for duckdb (#1773)
• feat: semi-join for duckdb (#1767)
• feat: implement n_unique for DuckDB (#1762)
• feat: implement when/then/otherwise for DuckDB (#1759)
• feat: add few missing SparkLikeExpr methods (#1721)

🐞 Bug fixes

• fix: to_py_scalar was raising for decimals (#1800)
• fix: fix skew for duckdb with fewer than 3 elements (#1785)
• fix: duckdb join was failing if column names contained spaces (#1775)
• fix: parse_version was not parsing duckdb pre-preleases correctly (#1763)
• fix: update Spark min version in utils.py (#1760)

📖 Documentation

• docs: remove docstring examples from narwhals/stable/v1 (#1797)
• docs: Restore API complentess page (#1788)
• docs: Increased width for content (#1769)
• docs: fix is_between type hint in signature (#1766)

🛠️ Other improvements

• chore: factor out check_columns_exist (#1792)
• chore: split namespaces out from expr and series (#1782)
• chore: move pyspark tests into main test suite (#1761)
• chore: dask nightly (#1768)
• chore: Remove some unnecessary trailing commas (#1757)
• chore: validate predicates in nw.when one level higher (#1756)
• chore: remove some expr._kwargs defaults (#1747)
• chore: Filter left join warning (#1753)

Thank you to all our contributors for making this release possible!
@DeaMariaLeon, @Dhanunjaya-Elluri, @EdAbati, @FBruzzesi, @MarcoGorelli, @camriddell, @lucas-nelson-uiuc, @marvinl803 and @raisadz