Changes
💥 Breaking changes
- feat!: remove
maintain_orderfromLazyFrame.unique, as it was never supported (#2247)
✨ Enhancements
- feat: add
cum_minto PySpark (#2267) - feat: make
order_byin Expr.over public (#2271) - feat: Add support for full join (#2126)
- enh: Support
diff,shift,is_first_distinct,is_last_distinctfor PySpark, SQLFrame, and DuckDB (#2270) - feat: add
cum_maxfor PySpark (#2265) - feat: support window operations for DuckDB (#2263)
- feat: track whether expressions are multi-output, unify error messages (#2246)
- feat: Enable spark-like backends in
scan_parquet(#2235) - feat:
Binarydtype support (#2243) - feat!: remove
maintain_orderfromLazyFrame.unique, as it was never supported (#2247)
🐞 Bug fixes
- fix: safety assertion was being thrown for Expr.is_last_distinct with over and _order_by by pandas and pyarrow (#2269)
- chore(typing): add missing
_FullContexttoCompliantDataFrame(#2251)
📖 Documentation
- feat: make
order_byin Expr.over public (#2271) - doc: fix docs CI (#2259)
- docs: fix docs CI dependencies (#2260)
🛠️ Other improvements
- ci: skip test_join_duplicate_column_names on old polars (#2277)
- ci: Get CI green for cuDF tests (#2276)
- chore: Clean up
_arrow(#2275) - chore(typing): Move
DepthTracking*typing (#2272) - chore: Track
ExpansionKindinExprMetadata(#2266) - feat: Adds
Compliant(When|Then)(#2261) - chore: Add
CompliantExpr._with_metadata(#2262) - feat: Adds
CompliantGroupBy(#2252) - ci: skip Polars nightly if notebook is still running (#2257)
- chore: Spec
CompliantSeries(#2236) - chore: downstream CI cleanup (
validoopsieandpointblank) and re-order dependency groups (#2255) - chore: Add
CompliantDataFrame.native(#2249) - chore: Spec
CompliantLazyFrame(#2232) - test: Scope dataframe library imports to fixtures in
conftest.py(#2241) - chore: use is_scalar_like in apply_n_ary_operation (#2242)
- chore: move dev dependencies to
dependency-groups(#2238) - test: Fix yet more tests to work without polars (pandas, pyarrow) (#2250)
- test: Fix more tests to work without polars (and pandas, pyarrow) (#2245)
- Fix
noxfile.pysyntax for nox-2025.2.9 (#2240)
Thank you to all our contributors for making this release possible!
@EdAbati, @FBruzzesi, @MarcoGorelli, @dangotbanned, @marvinl803, @mgorny, @raisadz and @tylerriccio33