Polars: py-1.29.0 Release

🚀 Performance improvements

• Avoid alloc_zeroed in decompression (#22460)

✨ Enhancements

• Highlight nodes in streaming phys plan graph (#22535)
• Show physical stage graph (#22491)
• Add structure for dispatching iceberg to native scans (#22405)
• Add SQL support for checking array values with IN and NOT IN expressions (#22487)
• Support DataFrame and Series init from torch Tensor objects (#22177)
• Add RoundMode for Decimal and Float (#22248)
• Inform users that IO error path file name can be expanded with POLARS_VERBOSE=1 (#22427)

🐞 Bug fixes

• Streaming outer join coalesce bug (#22530)
• Remove redundant print statement in assert_frame_schema_equal() (#22529)
• Bug in .unique() followed by .slice() (#22471)
• Fix error reading parquet with datetimes written by pandas (#22524)
• Fix schema_overrides not taking effect in NDJSON (#22521)
• Fold flags and verify scalar correctness in apply (#22519)
• Invalid values were triggering panics instead of returning null in dt.to_date / dt.to_datetime (#22500)
• Ensure numpy isinstance check is lazy (avoid forcing the dependency) (#22486)
• Incorrectly dropped sort after unique for some queries (#22489)
• Fix incorrect ternary agg state with mixed columns and scalars (#22496)
• Make replace and replace_strict properly elementwise (#22465)
• Fix index out of bounds panic on parquet prefiltering (#22458)
• Integer underflow when checking parquet UTF-8 (#22472)
• Add implementation for array.get with idx overflow (#22449)
• Deprecate str. collection functions with flat strings and mark as elementwise (#22461)
• Deprecate flat list.gather and mark as elementwise (#22456)
• Inform users that IO error path file name can be expanded with POLARS_VERBOSE=1 (#22427)

📖 Documentation

• Fix typo in structs page (#22504)

🛠️ Other improvements

• Don't store name/dtype in grouper (#22525)
• Add structure for dispatching iceberg to native scans (#22405)
• Remove unused reduction code (#22462)
• Pin to explicit macOS version in code coverage (#22432)

Thank you to all our contributors for making this release possible! @AH-Merii, @JakubValtar, @Julian-J-S, @Kevin-Patyk, @Liyixin95, @MarcoGorelli, @Matt711, @alexander-beedie, @brianmakesthings, @coastalwhite, @nameexhaustion, @orlp and @ritchie46