Issues

• [C++] ContentDefinedChunker should support string/binary view types

  Component: C++Type: enhancement
  apache/arrow#52161 · Filter by author robert3005 opened on Oct 7, 2026
  

• [Python] show_info() reports one codec twice and omits lz4_raw

  Component: Python
  apache/arrow#52024 · Filter by author Nishuuzz opened on Oct 7, 2026
  

• [C++] Bump bundled xsimd to 14.3.0 to fix Windows aarch64 build with mingw-w64 toolchains

  Component: C++
  apache/arrow#52022 · Filter by author jeroen opened on Oct 7, 2026
  

• [Ruby] Wrong data pointer in MemoryView of a sliced array

  Component: RubyType: bug
  apache/arrow#52021 · Filter by author himotoyoshi opened on Oct 7, 2026

• [C++] Excessive stack consumption with ARROW_ASSIGN_OR_RAISE

  Component: C++Type: bug
  apache/arrow#51834 · Filter by author pitrou opened on Oct 6, 2026
  9

• [C++] Allow NaN, Infinity, -Infinity as json values

  Type: enhancement
  apache/arrow#51819 · Filter by author taepper opened on Oct 6, 2026

• [GLib] Add filesystem GType registration mechanism

  Component: GLibType: enhancement
  apache/arrow#51816 · Filter by author alytantawyy opened on Oct 6, 2026
  1

  

• [C++] Remove empty-input workaround once Arrow bumps to simdjson >= v5.0.2

  Component: C++
  apache/arrow#51809 · Filter by author Reranko05 opened on Oct 6, 2026

• [C++][Python] IPC reader rejects a DictionaryEncoding without indexType, which the format allows

  Component: C++Component: Python
  Bug

  apache/arrow#51779 · Filter by author ianmcook opened on Oct 5, 2026

• [C++][Python] Make float-to-string cast write decimal point on integral values

  Component: C++Component: PythonType: enhancement
  apache/arrow#51760 · Filter by author ngoldbaum opened on Oct 5, 2026
  2

  

• [Python] Experiment with newer Python multipart parsers

  apache/arrow#51759 · Filter by author ianmcook opened on Oct 5, 2026
  

• [C++][Gandiva] Heap buffer overflow casting out-of-range date64 to VARCHAR/VARBINARY

  Component: C++Component: Gandiva
  apache/arrow#51754 · Filter by author Nayana-Naik73 opened on Oct 5, 2026
  

• [Integration][Archery][FlightRPC] Integration name filter does not filter Flight scenarios

  Component: ArcheryComponent: Integration
  apache/arrow#51697 · Filter by author shatrughnaupadhyay opened on Oct 4, 2026
  

• [Python] DataFrame interchange: from_dataframe rejects every pandas float16 column

  apache/arrow#51696 · Filter by author chrikrah opened on Oct 4, 2026
  2

  

• [R] Silent loss of metadata integrity for date-time and numeric attributes in write_parquet()/read_parquet()

  Component: RType: bug
  apache/arrow#51695 · Filter by author traversc opened on Oct 2, 2026
  1

• [FlightRPC][C++][FlightPRC][ODBC] macOS PKG installer upload CI

  Component: C++Component: FlightRPCType: enhancement
  apache/arrow#51694 · Filter by author alinaliBQ opened on Oct 2, 2026
  

• [C++][Release] verify-rc-source-windows fails with latest simdjson (5.0.1) from conda

  Component: C++Component: ReleaseType: bug
  apache/arrow#51690 · Filter by author raulcd opened on Oct 2, 2026
  5

• [C++][Parquet] Content-defined chunking resets its state at every row group

  Component: C++Component: ParquetType: bug
  apache/arrow#51684 · Filter by author kszucs opened on Oct 2, 2026
  

• [Python] Provide more informative error message for certain numpy -> arrow conversions

  Component: Python
  apache/arrow#51678 · Filter by author jorisvandenbossche opened on Oct 1, 2026
  1

• [Python][Parquet] Errno 14 Error reading bytes from file with pyarrow.parquet.ParquetFile(), but consistently succeeds on second try

  Component: PythonType: bug
  apache/arrow#51674 · Filter by author zianliu66-me opened on Oct 1, 2026
  8

• [C++][Parquet] Plaintext-footer files written with AES_GCM_CTR_V1 record AES_GCM_V1 as the encryption algorithm and cannot be read

  Type: bug
  apache/arrow#51669 · Filter by author dotnwat opened on Oct 1, 2026

• [R] Datasets umbrella ticket

  Component: RType: enhancement
  apache/arrow#51667 · Filter by author thisisnic opened on Sep 30, 2026
  

• [C++][Gandiva] Race condition with Gandiva expressions

  Component: C++Component: GandivaType: bug
  apache/arrow#51663 · Filter by author lriggs opened on Sep 30, 2026
  

• [R] Expose ignore_extra_columns and pad_short_rows CSV parse options

  Component: Rgood-first-issueType: enhancement
  apache/arrow#51659 · Filter by author thisisnic opened on Sep 30, 2026

• [R] CRAN packaging checklist for version 26.0.0

  Component: R
  apache/arrow#51654 · Filter by author thisisnic opened on Sep 30, 2026