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2026/01/27 Re: [I] [C++][CI][Packing] Fix `rsync` command not found for ODBC Nightly Release step [arrow] via GitHub
2026/01/27 [I] dev/release: update text for announce@ [arrow-adbc] via GitHub
2026/01/27 [I] ci: limit concurrency in R workflows [arrow-adbc] via GitHub
2026/01/27 Re: [I] [C++/Java] Error when reading inner lists within a struct in empty outer lists from C++/Python in Java [arrow-java] via GitHub
2026/01/27 [I] [C++/Java] Error when reading inner lists within a struct in empty outer lists from C++/Python in Java [arrow-java] via GitHub
2026/01/27 Re: [I] JDBC driver: Closing a Connection does not close ResultSets originated from the DatabaseMetadata API, potentially leading to exceptions related to memory leaks [arrow-java] via GitHub
2026/01/27 [I] [Benchmarking] Install R from non-conda source for benchmarking [arrow] via GitHub
2026/01/27 [I] [CI][Python] Nightly wheels fail uploading to scientific-python-nightly-wheels due to Storage requirements exceeded [arrow] via GitHub
2026/01/27 [I] [C++][Gandiva] binary_string can throw an error if input is null [arrow] via GitHub
2026/01/27 Re: [I] [C++][Python] Duplicate csv header when table batches start with empty [arrow] via GitHub
2026/01/27 [I] [Ruby] Add support for writing fixed size binary array [arrow] via GitHub
2026/01/27 Re: [I] [R] Compilation errors on continuous benchmarking [arrow] via GitHub
2026/01/27 [I] [Doc] Build Sphinx docs in parallel [arrow] via GitHub
2026/01/27 [I] [Ruby] Add support for writing time arrays [arrow] via GitHub
2026/01/27 Re: [I] [CI][Python] test-conda-python-emscripten job is timing out [arrow] via GitHub
2026/01/27 Re: [I] [Ruby] Strings used in expressions being garbage collected [arrow] via GitHub
2026/01/27 Re: [I] [C++][Parquet] Add `arrow::Result` versions for `parquet::arrow::FileReader::ReadRowGroup` and `parquet::arrow::FileReader::ReadRowGroups` [arrow] via GitHub
2026/01/27 [I] [C++][Parquet] Add arrow::Result versions for parquet::arrow::RowGroupReader::ReadTable [arrow] via GitHub
2026/01/27 Re: [I] [C++] Update developer style guide on usage of shared_ptr [arrow] via GitHub
2026/01/27 Re: [I] [R] Support vector of multiple file paths in read_*() functions [arrow] via GitHub
2026/01/27 Re: [I] Improve performance of repeated filtered parquet reads [arrow] via GitHub
2026/01/27 Re: [I] [C++] Add unordered scan [arrow] via GitHub
2026/01/27 Re: [I] [C++][Dataset] Refactor Partitioning to explicitly treat null and absent fields identically [arrow] via GitHub
2026/01/27 Re: [I] [C++] DictionaryEncode should convert dictionaries from one type of encoding to the other [arrow] via GitHub
2026/01/27 Re: [I] [python] Warn users if ParquetWriter coerces an explicitly defined schema [arrow] via GitHub
2026/01/27 Re: [I] [C++][Dataset] Support projections between children of UnionDatasets [arrow] via GitHub
2026/01/27 Re: [I] Introduce Complex IntervalUnit [arrow] via GitHub
2026/01/27 [I] [CI] Update default platform versions in `.env` [arrow] via GitHub
2026/01/27 Re: [I] [Ruby] Add support for writing large UTF-8 array [arrow] via GitHub
2026/01/27 Re: [I] [Ruby] Add support for writing date arrays [arrow] via GitHub
2026/01/27 Re: [I] [CI][Python] Windows wheel docker rebuild fails installing python-manager-25.0.msix [arrow] via GitHub
2026/01/27 Re: [I] [C++] Write serializer could be crash if the value buffer is empty [arrow] via GitHub
2026/01/26 [I] Error, read_parquet new expected indices [arrow] via GitHub
2026/01/26 [I] rust: add new_statement_with_opts [arrow-adbc] via GitHub
2026/01/26 [I] JDBC driver: Closing a Connection does not close ResultSets originated from the DatabaseMetadata API, potentially leading to exceptions related to memory leaks [arrow-java] via GitHub
2026/01/26 Re: [I] [C++] Arrow Flight SQL ODBC driver has a cookie duplication bug [arrow] via GitHub
2026/01/26 [I] [C++][FlightSQL][ODBC][CI] Run ODBC test executables in CI without `cpp_test.sh` [arrow] via GitHub
2026/01/26 Re: [I] [C++][FlightSQL][ODBC][CI] Resolve flakey 403 error for push to nuget [arrow] via GitHub
2026/01/26 Re: [I] [GLib][CI] Resolve flakey `403` error for push to nuget [arrow] via GitHub
2026/01/26 [I] [Python] CSV reader returns different values in 23.0.0 [arrow] via GitHub
2026/01/26 [I] [Python] Wrong cast from StringArray to pandas 3 when element is `None` [arrow] via GitHub
2026/01/26 [I] Convert multi dimensional numpy array to pyarrow array [arrow] via GitHub
2026/01/26 [I] [R] Warning building docs due to unresolved references to base R functions [arrow] via GitHub
2026/01/26 [I] [R] Add note to docs on validating IPC streams [arrow] via GitHub
2026/01/26 [I] [Ruby] Add support for writing large UTF-8 array [arrow] via GitHub
2026/01/26 [I] [Ruby] Add support for writing date arrays [arrow] via GitHub
2026/01/26 [I] format: also define DatabaseCancel [arrow-adbc] via GitHub
2026/01/26 Re: [I] [C++][CI] Fuzz IPC file metadata pre-buffering [arrow] via GitHub
2026/01/26 Re: [I] [C++][Compute] CastFromNull does not use preallocated buffers [arrow] via GitHub
2026/01/26 Re: [I] [C++][CI] Windows SEH exceptions don't show a call stack [arrow] via GitHub
2026/01/26 Re: [I] [C++] Filesystem aware disk scheduling [arrow] via GitHub
2026/01/26 Re: [I] [Julia][Integration] Implement integration testing for Julia [arrow] via GitHub
2026/01/26 Re: [I] [Python][Parquet] Use pypi condition package to filter partitions in a user friendly way [arrow] via GitHub
2026/01/26 Re: [I] [Python][Parquet] Can't read directory of Parquet data saved by PySpark via [arrow] via GitHub
2026/01/26 Re: [I] [Python] Allow to create BooleanArray from a list of 0 and 1 [arrow] via GitHub
2026/01/26 Re: [I] [R] Support for Tensor class [arrow] via GitHub
2026/01/26 Re: [I] [C++] Implement a fixed-width file reader [arrow] via GitHub
2026/01/26 Re: [I] Convert multi dimensional numpy array to pyarrow array [arrow] via GitHub
2026/01/26 Re: [I] [Python][C++] free-threaded wheels for Python 3.13 are failing to build flight [arrow] via GitHub
2026/01/26 [I] [Python][Packaging] Drop archery and docker for our Windows wheels and build on the GitHub runner directly [arrow] via GitHub
2026/01/26 [I] ORC Predicate Pushdown [arrow] via GitHub
2026/01/26 [I] [Ruby] Strings used in expressions being garbage collected [arrow] via GitHub
2026/01/26 [I] Missing license files in 23.0.0 wheels [arrow] via GitHub
2026/01/25 Re: [I] [C++][FlightRPC][MSVC] Flight SQL ODBC: Potential deadlock error after C++ 20 requirement is enabled [arrow] via GitHub
2026/01/25 Re: [I] [Ruby] Literal expressions gets wrong value [arrow] via GitHub
2026/01/25 [I] [C++] Use COMPILE_OPTIONS instead of deprecated COMPILE_FLAGS [arrow] via GitHub
2026/01/25 Re: [I] [R][C++]: Fix RE2 compilation errors under C++20 [arrow] via GitHub
2026/01/25 [I] Invitation to provide feedback on New Parquet Encoding: Adaptive Lossless Floating Point Compression [arrow-go] via GitHub
2026/01/25 [I] [Python] test failures on pandas 3.0 (currently CI on 2.3.3) [arrow] via GitHub
2026/01/25 Re: [I] [C++][Dataset] Support bloom filters in predicate pushdown [arrow] via GitHub
2026/01/25 Re: [I] [R] Improve handling of -2^31 in 32-bit integer fields [arrow] via GitHub
2026/01/25 Re: [I] [Python] Needs a handling for missing columns while reading parquet file [arrow] via GitHub
2026/01/25 Re: [I] [Developer][Archery] Report both items and bytes per second [arrow] via GitHub
2026/01/25 Re: [I] [Python][Packaging] Include CUDA support in wheels [arrow] via GitHub
2026/01/25 Re: [I] [C++][Compute] Add support for generic conversions to Function::DispatchBest [arrow] via GitHub
2026/01/25 Re: [I] [C++] Parquet file writer snapshot API and proper ColumnChunk.file_path utilization [arrow] via GitHub
2026/01/25 Re: [I] [C++] Ability to "re-chunk" Tables or ChunkedArrays [arrow] via GitHub
2026/01/25 Re: [I] [C++] Support FixedSizeList JSON parsing [arrow] via GitHub
2026/01/24 Re: [I] [C++][Gandiva] CPU attributes are not passed to the LLVM layer during code generation [arrow] via GitHub
2026/01/24 Re: [I] adbc_postgresql: core dump if server terminates the connection [arrow-adbc] via GitHub
2026/01/24 [I] [C++]: `arrow::schema` construction performance degrades to O(n^2) on libc++ for duplicate/unnamed fields [arrow] via GitHub
2026/01/24 [I] Add documentation of Flight SQL [arrow-java] via GitHub
2026/01/24 [I] [R] [C++]: Fix RE2 compilation errors under C++20 [arrow] via GitHub
2026/01/23 Re: [I] csharp: does testing package need deploying? [arrow-adbc] via GitHub
2026/01/23 Re: [I] [C++][Parquet] Add `arrow::Result` version of `parquet::arrow::FileReader::ReadTable()` [arrow] via GitHub
2026/01/23 [I] EHN: Add a `is_castable` function and/or `errors=coerce` option to `cast` [arrow] via GitHub
2026/01/23 [I] [CI] Remove __getattr__(name) -> Any from __init__.pyi before next release [arrow] via GitHub
2026/01/23 [I] [C++] Arrow Flight SQL ODBC driver has a cookie duplication bug [arrow] via GitHub
2026/01/23 [I] [Python][C++] free-threaded wheels for Python 3.13 are failing to build flight [arrow] via GitHub
2026/01/23 [I] [Python] Add `restack_batches()` [arrow] via GitHub
2026/01/23 Re: [I] [R] CRAN `NOTE` about Makevars [arrow] via GitHub
2026/01/23 [I] [Docs][Python] Doctest fails on pandas 3.0 [arrow] via GitHub
2026/01/23 Re: [I] [Python][Packaging] Locate and bundle msvcp140.dll from CMake [arrow] via GitHub
2026/01/23 Re: [I] [Python][Packaging] Consider bundling zlib and openssl as dynamic libraries into the windows wheels [arrow] via GitHub
2026/01/23 Re: [I] [C++] Move decompression off background reader thread into thread pool [arrow] via GitHub
2026/01/23 Re: [I] [C++] Add support for the dictionary type in the C++ ORC writer [arrow] via GitHub
2026/01/23 Re: [I] [Python][Compute] Improve usability for defining sort options [arrow] via GitHub
2026/01/23 Re: [I] [C++][Python] Add ReaderOptions for ORC [arrow] via GitHub
2026/01/23 Re: [I] [C++] Allow fine tuning of memory pool from environment variable(s) [arrow] via GitHub
2026/01/23 [I] [Python] DEFAULT option in simd_level of cli.py missing [arrow] via GitHub
2026/01/23 Re: [I] [C++/Java] Error when reading inner lists within a struct in empty outer lists from C++/Python in Java [arrow-java] via GitHub
2026/01/22 [I] [Python] A "personal data" boolean in metadata [arrow] via GitHub
2026/01/22 Re: [I] [Ruby] Add support for writing large binary array [arrow] via GitHub
2026/01/22 Re: [I] [Ruby] Add support for writing float32/64 arrays [arrow] via GitHub
2026/01/22 Re: [I] [C++][CMake] Export config for static libarrow build broken in 23 [arrow] via GitHub
2026/01/22 [I] [Benchmarking] Add temporal type support to benchmarks [arrow] via GitHub
2026/01/22 Re: [I] [Java] IllegalArgumentException when unsetting TimeStamp*TZVector values [arrow-java] via GitHub
2026/01/22 [I] [C++] Add test for null-type dictionary sorting and clarify XXX comment [arrow] via GitHub
2026/01/22 [I] [Docs] Add documentation relating to AI tooling [arrow] via GitHub
2026/01/22 [I] Decimal256Array could be a little more forgiving [arrow-dotnet] via GitHub
2026/01/22 [I] [Python] `extract_regex` and `extract_regex_span` only extract the first match [arrow] via GitHub
2026/01/22 [I] Add a new TimeUnit for dotnet ticks [arrow-dotnet] via GitHub
2026/01/22 Re: [I] OAuth 2.0 flows support [arrow-java] via GitHub
2026/01/22 Re: [I] JDBC driver: Closing a Connection does not close its Statement(s), potentially leading to exceptions related to memory leaks [arrow-java] via GitHub
2026/01/22 [I] [C++][Parquet] Add `arrow::Result` versions for `parquet::arrow::FileReader::ReadRowGroup` and parquet::arrow::FileReader::ReadRowGroups` [arrow] via GitHub
2026/01/22 Re: [I] [Python] Array to_numpy slow compared to Numpy.view [arrow] via GitHub
2026/01/22 Re: [I] [Python] Consistent handling of categoricals [arrow] via GitHub
2026/01/22 Re: [I] [C++][Gandiva] Support list datatype for gandiva UDF [arrow] via GitHub
2026/01/22 Re: [I] [C++][Dataset] Enable column renaming (in physical schema -> dataset schema) in Dataset scanning [arrow] via GitHub
2026/01/22 Re: [I] [C++][Parquet] Inconsistent batch_size usage in parquet GetRecordBatchReader [arrow] via GitHub
2026/01/22 Re: [I] [Python][R] Prove out plumbing to pass data between Python and R using rpy2 [arrow] via GitHub
2026/01/22 Re: [I] [C++] Add union support in ORC reader & writer [arrow] via GitHub
2026/01/22 Re: [I] [C++][Dataset] Schema evolution in Dataset scanning [arrow] via GitHub
2026/01/22 Re: [I] [R] Update NEWS for 23.0.0 release [arrow] via GitHub
2026/01/22 [I] [CI][Python] Windows wheel docker rebuild fails installing python-manager-25.0.msix [arrow] via GitHub
2026/01/22 [I] [Ruby] Add support for writing large binary array [arrow] via GitHub
2026/01/22 [I] [Ruby] Add support for writing float32/64 arrays [arrow] via GitHub
2026/01/22 [I] [C++] Generate proper UTF-8 strings in JSON test utilities [arrow] via GitHub
2026/01/22 Re: [I] [Ruby] Add support for writing UTF-8 array [arrow] via GitHub
2026/01/22 Re: [I] [Ruby] Add support for writing int16/32/64 and uint16/32/64 arrays [arrow] via GitHub
2026/01/22 Re: [I] [C++] Bump mimalloc to 3.2.7 [arrow] via GitHub
2026/01/21 [I] [Ruby] Add support for writing UTF-8 array [arrow] via GitHub
2026/01/21 [I] [Ruby] Add support for writing int16/32/64 and uint16/32/64 arrays [arrow] via GitHub
2026/01/21 Re: [I] [python adbc-driver-postgresql] Numeric altered values when ingesting [arrow-adbc] via GitHub
2026/01/21 Re: [I] [Ruby] Add support for writing binary array [arrow] via GitHub
2026/01/21 [I] [C++][CI][Packing] Fix `rsync` command not found for ODBC Nightly Release step [arrow] via GitHub
2026/01/21 [I] [C++] Optimize Decimal128 abs hotspot; add exec‑only TPC‑H Q1 benchmark [arrow] via GitHub
2026/01/21 [I] [R] Update NEWS for 23.0.0 release [arrow] via GitHub
2026/01/21 [I] [C++] Building Flight with bundled gRPC / Abseil fails with gcc-15 and C++20 [arrow] via GitHub
2026/01/21 [I] [C++][CI] Fuzz IPC file metadata pre-buffering [arrow] via GitHub
2026/01/21 [I] [C++][CI] Fuzz more IPC reading features [arrow] via GitHub
2026/01/21 Re: [I] [R] Remove usage of cpp11's `cpp11/altrep.hpp` and `HAS_ALTREP` [arrow] via GitHub
2026/01/21 [I] [C++] Result::Map should allow a callable that returns a Status [arrow] via GitHub
2026/01/21 Re: [I] [Python][Parquet] 21.0.0 release introduced memory leak when reading parquet [arrow] via GitHub
2026/01/21 [I] [C++] Bump mimalloc to 3.2.7 [arrow] via GitHub
2026/01/21 Re: [I] Memory footprint of `from pyarrow import dataset` in version 21 onwards [arrow] via GitHub
2026/01/21 Re: [I] [C++] Add test for file creation with UTF-8 filenames [arrow] via GitHub
2026/01/21 Re: [I] [C++] Support customizing more Zstd parameters [arrow] via GitHub
2026/01/21 Re: [I] [Java] [Flight] FlightClient authenticateBasicToken should accept CallOptions as well [arrow] via GitHub
2026/01/21 Re: [I] [Python] Allow creating OSFile from file descriptor [arrow] via GitHub
2026/01/21 Re: [I] [C++] Test utility PrintArrayDiff prints a different style when arrays differ in length [arrow] via GitHub
2026/01/21 Re: [I] [Python] Enable random access reading for Python file objects (if supported) [arrow] via GitHub
2026/01/21 Re: [I] [Python] Overriding Parquet schema when loading to SageMaker to inspect bad data [arrow] via GitHub
2026/01/21 Re: [I] Failure to read parquet from s3 after uploading file to s3-object [arrow] via GitHub
2026/01/21 Re: [I] [C++] CSV date custom parser [arrow] via GitHub
2026/01/21 Re: [I] [C++] CSV reader: option to ignore trailing delimiters [arrow] via GitHub
2026/01/21 Re: [I] [Python] feather/arrow row splitting and counting (Dataset API) [arrow] via GitHub
2026/01/21 Re: [I] [Python][Parquet] Enhance hive partition filtering with 'like' operator [arrow] via GitHub
2026/01/21 Re: [I] [C++] Add benchmark for CountSetBits [arrow] via GitHub
2026/01/21 Re: [I] [C++] Incorrect variadic buffer count in IPC can easily blow up memory [arrow] via GitHub
2026/01/21 Re: [I] [C++][Parquet] Plaintext footer signature verification re-serializes footer [arrow] via GitHub
2026/01/20 [I] [C++] Support List, Map, and Struct types in replace_with_mask, fill_null_forward, and fill_null_backward [arrow] via GitHub
2026/01/20 [I] [Ruby] Add support for writing binary array [arrow] via GitHub
2026/01/20 Re: [I] [Ruby] Add support for writing int8/uint8 arrays [arrow] via GitHub
2026/01/20 Re: [I] Generate documents on Swift Package Index and link to it from README [arrow-swift] via GitHub
2026/01/20 Re: [I] [Docs] Add link acknowledging use of runs-on for our CI/CD cuda runners [arrow] via GitHub
2026/01/20 Re: [I] Arrow-go generated compressed ipc file with null value column can not be read by polars [arrow-go] via GitHub
2026/01/20 [I] compute.Take on Record/Array with nested struct field causes nil pointer dereference [arrow-go] via GitHub
2026/01/20 Re: [I] [Docs][Format] Clarification of bitmap buffer 'uncompressed length' definition [arrow] via GitHub
2026/01/20 Re: [I] [CI][Packaging][APT] Downgrade test is failing because of GIR package name change [arrow] via GitHub
2026/01/20 Re: [I] [Python] Conda jobs segfault on Azure tests due to old nodejs version being installed [arrow] via GitHub
2026/01/20 Re: [I] Add UUID support for JDBC Driver [arrow-java] via GitHub
2026/01/20 Re: [I] [C++][FlightRPC] ODBC Nightly release [arrow] via GitHub
2026/01/20 [I] [R] Compilation errors on continuous benchmarking [arrow] via GitHub
2026/01/20 Re: [I] [C++] Continuous benchmarking failures [arrow] via GitHub
2026/01/20 [I] [Ruby] Add support for writing int8/uint8 arrays [arrow] via GitHub
2026/01/20 [I] [R] write_to_raw is very slow [arrow] via GitHub
2026/01/20 Re: [I] [C++][Compute] Support sharing KernelState between processes [arrow] via GitHub
2026/01/20 Re: [I] [Python] Make self_destruct and RecordBatchReader work better together [arrow] via GitHub
2026/01/20 Re: [I] [C++] A "replace" or "map" kernel to replace values in array based on mapping [arrow] via GitHub
2026/01/20 Re: [I] [Python] Decimal256 Support finish off full support for conversion to/from decimal types [arrow] via GitHub
2026/01/20 Re: [I] [C++][Gandiva] Support Decimal256 type in gandiva computation. [arrow] via GitHub
2026/01/20 Re: [I] [C++] Optimize Future<> creation [arrow] via GitHub
2026/01/20 Re: [I] [Python] Deletion of existing file when write_table fails [arrow] via GitHub
2026/01/20 Re: [I] [C++] CSV Reader should support Decimal256 type [arrow] via GitHub
2026/01/20 Re: [I] Zero-Copy Pandas Dataframe Reads [arrow] via GitHub
2026/01/20 Re: [I] [C++] Caching pre computed data based on FunctionOptions in the kernel state [arrow] via GitHub
2026/01/20 [I] [C++] Optimize StructArray diffing with field by field comparison [arrow] via GitHub
2026/01/20 Re: [I] [Release] download_rc_binaries.py fails validating sterr on download failure due to bytes to string comparison [arrow] via GitHub
2026/01/20 Re: [I] [Python] RecordBatch.from_pylist fails for large rows [arrow] via GitHub
2026/01/19 Re: [I] [Ruby] Add support for writing boolean array [arrow] via GitHub
2026/01/19 [I] [C++][FlightRPC] ODBC GitHub release [arrow] via GitHub
2026/01/19 [I] Generate documents on Swift Package Index and link to it from README [arrow-swift] via GitHub
2026/01/19 Re: [I] Document how to install from Swift Package Index [arrow-swift] via GitHub
2026/01/19 [I] Document how to install from Swift Package Index [arrow-swift] via GitHub
2026/01/19 [I] [R] CRAN packaging checklist for version 23.0.0 [arrow] via GitHub
2026/01/19 [I] [C++] Incorrect variadic buffer count in IPC can easily blow up memory [arrow] via GitHub
2026/01/19 Re: [I] [C++][Parquet] Fix writer not to throw when boolean type does not enable bloom filter [arrow] via GitHub
2026/01/19 Re: [I] Improve memory management in UUID vector [arrow-java] via GitHub
2026/01/19 Re: [I] [R] Dictionary indices should be validated in IPC stream reader [arrow] via GitHub