narwhals 1.38.0

Narwhals v1.38.0

on Python PyPI

Changes

🚀 Performance improvements

• perf: Dont export stable in narwhals/__init__.py, instead require import narwhals.stable (#2480)
• perf: Avoid module-level importlib.util.find_spec (#2391)
• perf: Optimize, generalize _DelayedCategories -> _DeferredIterable (#2421)

✨ Enhancements

• feat: add dt.truncate (#2465)

🐞 Bug fixes

• patch: Filter is_sparse DeprecationWarning in test suite (#2476)

📖 Documentation

• docs: Use Google-Style admonition (#2475)
• docs: Add _translate docs (#2455)
• docs: Correct sortedness requirement for join_asof (#2457)

🛠️ Other improvements

• ci: switch from pdm to uv in tea-tasting downstream tests (#2466)
• chore: bump pyarrow-stubs==19.2 (#2458)
• test: cudf fixup, address pandas deprecationwarning (#2496)
• chore: Adopting more ruff complexity rules (#2460)
• chore: Use _with_callable for narwhals expr namespaces (#2477)
• refactor: remove Implementation._alias in favor of non-auto values (#2432)
• chore: Remove name-preserving Dask operations (#2473)
• docs: Add _translate docs (#2455)
• ci: Fix TPCH test data generation in CI (#2470)
• ci: reenable tubular tests (#2467)
• chore: Add Compliant*.to_narwhals (#2461)
• perf: Optimize, generalize _DelayedCategories -> _DeferredIterable (#2421)

Thank you to all our contributors for making this release possible!
@FBruzzesi, @MarcoGorelli, @dangotbanned, @dependabot[bot], @e10v, @raisadz and dependabot[bot]