All pull requests

Pull requests

• GH-55398: [R][CI] Build the Windows libarrow binary with Rtools45 instead of Rtools40

  Component: C++Component: R
  #55594·thisisnic opened Nov 13, 2026Member·4 of 5 tasks·

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• GH-55578: [R] read_parquet(col_select =) silently returns the wrong columns when the file has nested (list) columns

  Component: ParquetComponent: R
  #55593·thisisnic opened Nov 13, 2026Member·5 tasks·

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• GH-55590: [Python][Annotations] Add type annotations for scalars

  Component: DocumentationComponent: Python
  #55592·rok opened Nov 13, 2026Member·4 of 5 tasks·

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  2

• GH-55587: Install Node 22 for latest Azurite on Ubuntu 24.04 dockerfile

  #55589·raulcd opened Nov 13, 2026Member·3 of 5 tasks·

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  2

• GH-55586: [Packaging][Python] Use pyodide venv for Emscripten/Pyodide testing infrastructure and unskip several tests

  #55588·agriyakhetarpal opened Nov 13, 2026Contributor·2 of 5 tasks·

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  7

• GH-55486: [Python] Make test_asarray run and update it to the current Scalar API

  Component: Python
  #55585·AFOliveira opened Nov 13, 2026·4 of 5 tasks·

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• GH-55575: [C++][Substrait] Fix inverted ddof for POPULATION/SAMPLE in DecodeBasicAggregate

  Component: C++
  #55582·Mola-maker opened Nov 13, 2026·

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  1

• GH-40576: [Python][Docs] Clarify Dataset scan batch sizes

  Component: Documentation
  #55581·kalyanamdewri opened Nov 13, 2026Contributor·

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  1

• GH-55579:[WIP-experiment][C++][Parquet] Fall back to PLAIN when ALP is larger, and simplify ALP preset sampling

  Component: C++Component: Parquet
  #55580·prtkgaur opened Nov 13, 2026Contributor·

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  1

• GH-55576: [C++][Parquet] Fast path for reading fixed-size lists

  Component: C++Component: Parquet
  #55577·MashrafeeAryan opened Nov 12, 2026Contributor·5 tasks·

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  1

• MINOR: [Docs] Fix compatibility spelling

  Component: DocumentationComponent: R
  #55574·Sumdiboii opened Nov 12, 2026·3 tasks·

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  3

• GH-55571: [C++][Parquet] Honor configured column encoding on dictionary fallback

  Component: C++Component: Parquet
  #55572·ryanvickr opened Nov 12, 2026·2 tasks done·

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  1

• GH-55489: [C++] Decode run-end encoded dictionary values

  Component: C++Component: Python
  #55508·mhatipog opened Nov 11, 2026·2 of 5 tasks·

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  1

• GH-55505: Gandiva: normalize Darwin host triple to macosx so exp10 libcall is available

  Component: C++Component: Gandiva
  #55506·lriggs opened Nov 11, 2026Contributor·3 of 5 tasks·

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  5

• GH-55490: [Python] Preserve timezone in dictionary timestamp pandas conversion

  Component: Python
  #55504·S-h-u-b-h-1 opened Nov 11, 2026·2 of 5 tasks·

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  4

• GH-55500: [Python] Remove the have_signal_refcycle workaround in error.pxi

  Component: Python
  #55502·AlenkaF opened Nov 11, 2026Member·3 of 5 tasks·

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  2

• GH-55497: [C++] Avoid reusing simdjson values after failed get()

  Component: C++
  #55498·wgtmac opened Nov 11, 2026Member·3 of 5 tasks·

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  10

• GH-55493: [C++][Substrait] Use resolved output types for ProjectRel

  Component: C++
  #55494·gvol opened Nov 11, 2026·4 of 5 tasks·

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• GH-55478: [R] Vendored dependencies to enable parquet (smallest change, biggest tarball)

  Component: C++Component: DocumentationComponent: R
  #55491·jonkeane opened Nov 11, 2026Member·3 of 5 tasks·

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  23

• GH-55487: [C++][Parquet] Fix DeltaLengthByteArrayEncoder memory pool tracking and Arrow string batching

  Component: C++Component: Parquet
  #55488·ryanvickr opened Nov 10, 2026·3 of 5 tasks·

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  2

• GH-55475: [Dev] Use merge button instead of merge script

  Component: Documentation
  #55484·rok opened Nov 10, 2026Member·4 of 5 tasks·

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  24

• GH-55458: [Python] Mark NumPy-dependent tests

  Component: Python
  #55483·09Catho opened Nov 10, 2026·2 of 5 tasks·

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  2

• GH-55479: [C++][FlightRPC] Give gRPC real pb::FlightData messages instead of casting Arrow structs

  Component: C++Component: FlightRPC
  #55480·Algunenano opened Nov 10, 2026·2 of 5 tasks·

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• GH-55473: [Dev] Add boring-cyborg app configuration and remove dev_pr.yml workflow

  Component: Documentation
  #55474·raulcd opened Nov 10, 2026Member·3 of 5 tasks·

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  16

• GH-55393: [C++][Compute] Fix precision and ties in floating round

  Component: C++
  #55470·Ayush-CS-89112521 opened Nov 10, 2026·3 of 5 tasks·

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  5