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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
2026/01/19 [I] [C++] Add benchmark for CountSetBits [arrow] via GitHub
2026/01/19 [I] [Python] Conda jobs segfault on Azure tests due to old nodejs version being installed [arrow] via GitHub
2026/01/19 Re: [I] [FlightRPC][C++][Python] Add ability to transfer arbitrary headers [arrow] via GitHub
2026/01/19 Re: [I] [C++][Dataset] Add FlightFragment [arrow] via GitHub
2026/01/19 Re: [I] [C++] Provide per-processor Executors to support pinning workflows to a core [arrow] via GitHub
2026/01/19 Re: [I] [C++] Use native PEXT on AMD Zen 3 [arrow] via GitHub
2026/01/19 Re: [I] [R] Implement [<-.Table add/replace [arrow] via GitHub
2026/01/19 Re: [I] [Python] Pandas timestamps are inferred to have only microsecond precision [arrow] via GitHub
2026/01/19 Re: [I] [FlightRPC] Deprecate old authentication mechanism [arrow] via GitHub
2026/01/19 Re: [I] [C++][Dataset] Add max file size as a dataset writing option [arrow] via GitHub
2026/01/19 Re: [I] [C++] Implement vector kernel that transforms a boolean mask into selection indices [arrow] via GitHub
2026/01/19 Re: [I] [C++][Dataset] Ensure virtual columns are not materialized on write [arrow] via GitHub
2026/01/19 Re: [I] [Dev][Release] Remove non-published GitHub releases as post-release task [arrow] via GitHub
2026/01/19 [I] [R] Dictionary indices should be validated in IPC stream reader [arrow] via GitHub
2026/01/19 [I] [CI][Packaging][APT] Downgrad test is failing because of GIR package name change [arrow] via GitHub
2026/01/19 Re: [I] [C++][Parquet] When fuzzing, treat Table validation error as hard error [arrow] via GitHub
2026/01/19 [I] [Ruby] Add support for writing boolean array [arrow] via GitHub
2026/01/18 [I] Arrow-go generated compressed ipc file with null value column can not be read by polars [arrow-go] via GitHub
2026/01/18 [I] [C++][CMake] Export config for static libarrow build broken in 23 [arrow] via GitHub
2026/01/18 [I] [Dev][Release] Remove non-published GitHub releases as post-release task [arrow] via GitHub
2026/01/18 Re: [I] [Release][Python] PyPI rejects our source distribution due to missing LICENSE.txt [arrow] via GitHub
2026/01/18 Re: [I] [R] Implement support for keepNA = FALSE in base::nchar() [arrow] via GitHub
2026/01/18 Re: [I] [Python] Arrow to Pandas conversion promotes child array to float for NULL values [arrow] via GitHub
2026/01/18 Re: [I] [Python] Improve validation of cython arguments [arrow] via GitHub
2026/01/18 Re: [I] [FlightRPC][C++][Python] Header-based authentication [arrow] via GitHub
2026/01/16 Re: [I] DBeaver fails to display columns of array type [arrow-java] via GitHub
2026/01/16 [I] Clarification of bitmap buffer 'uncompressed length' definition [arrow] via GitHub
2026/01/16 Re: [I] [R] `ATTRIB` will be removed [arrow-nanoarrow] via GitHub
2026/01/16 [I] java.lang.NoSuchMethodError: java.nio.ByteBuffer.position(I)Ljava/nio/ByteBuffer [arrow-java] via GitHub
2026/01/16 Re: [I] [C++][Dataset][Python] Improve ParquetFileFragment serialization [arrow] via GitHub
2026/01/16 Re: [I] [C++] CSV reader: support for multi-character / whitespace delimiter? [arrow] via GitHub
2026/01/16 Re: [I] [C++] Add max_rows parameter to csv ReadOptions [arrow] via GitHub
2026/01/16 Re: [I] [C++][Flight] Add testing for flight TLS client side authentication [arrow] via GitHub
2026/01/16 Re: [I] [Python] Support reading (compressed) CSV file from remote file / binary blob [arrow] via GitHub
2026/01/16 Re: [I] [C++][Flight] See if reading/writing to gRPC get/put streams asynchronously helps performance [arrow] via GitHub
2026/01/16 Re: [I] [C++] Running tests with ASAN, UBSAN using conda-forge compiler toolchain on macOS [arrow] via GitHub
2026/01/16 [I] Literal expressions gets wrong value [arrow] via GitHub
2026/01/16 Re: [I] [CI] Extra scheduled jobs fail sending email [arrow] via GitHub
2026/01/15 Re: [I] [C++][Flight SQL ODBC] Move class definitions to a `type_fwd.h` file [arrow] via GitHub
2026/01/15 [I] [C++][Parquet] Fix writer not to throw when boolean type does not enable bloom filter [arrow] via GitHub
2026/01/15 [I] [C++] Be able to replace default Codec implementation [arrow] via GitHub
2026/01/15 [I] Enable use of USE_OS_TZDB with conda, also on windows [arrow] via GitHub
2026/01/15 [I] [C++][FlightRPC] ODBC GitHub and Nightly release [arrow] via GitHub
2026/01/15 [I] [Doc] Document security model for the Arrow formats [arrow] via GitHub
2026/01/15 [I] [Docs] Add link acknowledging use of runs-on for our CI/CD cuda runners [arrow] via GitHub
2026/01/15 Re: [I] Add ExtensionTypeWriterFactory to TransferPair [arrow-java] via GitHub
2026/01/15 [I] [C++][Gandiva] `castTIMESTAMP_utf8` and `castTIME_utf8` should truncate subseconds beyond milliseconds, not reject them [arrow] via GitHub
2026/01/15 [I] [C++] Support customizing more Zstd parameters [arrow] via GitHub
2026/01/15 Re: [I] [C++] Add FileSystem::MakeUri() to serialize file locations to URIs [arrow] via GitHub
2026/01/15 Re: [I] [Python][Dataset] Test behaviour in case of duplicate partition field / data column [arrow] via GitHub
2026/01/15 Re: [I] [C++] Add all_kleene boolean reducing kernel [arrow] via GitHub
2026/01/15 Re: [I] [C++] csv::TableReader column names, Read() arguments [arrow] via GitHub
2026/01/15 Re: [I] Implement unix_timestamp function in gandiva [arrow] via GitHub
2026/01/15 Re: [I] [Python] Get all columns names (or schema) from Feather file, before loading whole Feather file [arrow] via GitHub
2026/01/15 Re: [I] [C++] Use timestamp parsers for date32() CSV parsing [arrow] via GitHub
2026/01/15 [I] [CI] Extra scheduled jobs fail sending email [arrow] via GitHub
2026/01/15 [I] Detect SQLITE database locked [arrow-adbc] via GitHub
2026/01/15 [I] [C++][Integration] `libarrow_c_data_integration.so` isn't built with `ARROW_BUILD_TESTS=ON` and `ARROW_BUILD_INTEGRATION=ON` [arrow] via GitHub
2026/01/15 [I] Breaking change from github.com/substrait-io/substrait-go/v7 7.2.2 [arrow-go] via GitHub
2026/01/14 Re: [I] [C++] OOB write in buffered IO [arrow] via GitHub
2026/01/14 Re: [I] [Release] Update copyright date on NOTICE.txt [arrow] via GitHub
2026/01/14 Re: [I] [Go] BinaryBuilder Append() doesn't append the empty values correctly [arrow-go] via GitHub
2026/01/14 Re: [I] [R][C++] Bump C++20 in R build infrastructure [arrow] via GitHub
2026/01/14 Re: [I] [C++][Parquet] Allow writing BloomFilter for specific column [arrow] via GitHub
2026/01/14 Re: [I] [Go] An uncaught error caused a subsequent panic [arrow-go] via GitHub
2026/01/14 [I] [C++][Parquet] Plaintext footer signature verification re-serializes footer [arrow] via GitHub
2026/01/14 Re: [I] Test failure when running with > 1 thread [arrow-julia] via GitHub
2026/01/14 Re: [I] File written by `polars.DataFrame.write_ipc` read incorrectly [arrow-julia] via GitHub
2026/01/14 Re: [I] [Python] Truncate intraday milliseconds in Date64 to pandas conversion [arrow] via GitHub
2026/01/14 Re: [I] Official support for the Apache Parquet format [arrow-julia] via GitHub
2026/01/14 [I] [Release] Update copyright date on NOTICE.txt [arrow] via GitHub
2026/01/14 Re: [I] [Python] Make `ChunkedArray` & `Array` iterable [arrow] via GitHub
2026/01/14 [I] [CI][Conan] Unhandled TypeError in conanfile.py when ARROW_HOME is unset [arrow] via GitHub
2026/01/14 Re: [I] [Python] Add a switch for truncating intraday milliseconds in Date64 in Python conversion [arrow] via GitHub
2026/01/14 Re: [I] [C++][Dev] Update clang-format dependency [arrow] via GitHub
2026/01/14 Re: [I] CUDA Runner is no longer available? [arrow-nanoarrow] via GitHub
2026/01/14 Re: [I] [Dev] Remove obsolete Java, Go, and Swift entries from .gitignore [arrow] via GitHub
2026/01/14 Re: [I] [Python] Storing negative and positive zeros in dictionary array [arrow] via GitHub
2026/01/14 Re: [I] [Python] Generate union and extension typed arrays with hypothesis [arrow] via GitHub
2026/01/14 Re: [I] `warntimestamp` in convert too expensive [arrow-julia] via GitHub
2026/01/14 Re: [I] Substantial performance regression on 1.11 relative to 1.10 [arrow-julia] via GitHub
2026/01/14 Re: [I] [Doc] Provide Java development guide [arrow] via GitHub
2026/01/14 Re: [I] [C++] Bundled external project for openssl [arrow] via GitHub
2026/01/14 Re: [I] [C++] Add support Parquet with Page Index [arrow] via GitHub
2026/01/14 Re: [I] [Python][Gandiva] Add Gandiva documentation to Python docs [arrow] via GitHub
2026/01/14 Re: [I] [C++] Implement work-stealing scheduler / multiple queues in ThreadPool [arrow] via GitHub
2026/01/14 [I] [Release] download_rc_binaries.py fails validating sterr on download failure due to bytes to string comparison [arrow] via GitHub
2026/01/13 Re: [I] ci: Stable Julia jobs are timed out [arrow-julia] via GitHub
2026/01/13 Re: [I] Release 2.8.1 [arrow-julia] via GitHub
2026/01/13 [I] [Doc][Dev] Clarify the required versions of clang-format/pre-commit/Ubuntu [arrow] via GitHub
2026/01/13 Re: [I] [C++][FlightRPC][ODBC] Add instructions to run ODBC tests to `README` [arrow] via GitHub
2026/01/13 Re: [I] [Go] Partial struct column reads panic due to mismatched childFields/childReaders slices [arrow-go] via GitHub
2026/01/13 [I] Remove obsolete Java, Go, and Swift entries from .gitignore [arrow] via GitHub
2026/01/13 Re: [I] [C++][IPC] Turn disabled bodyLength assertions into error checks [arrow] via GitHub
2026/01/13 [I] Partial struct column reads panic due to mismatched childFields/childReaders slices [arrow-go] via GitHub
2026/01/13 [I] [C++][IPC] ReadMessage could optionally take body_length [arrow] via GitHub
2026/01/13 [I] [C++][IPC] Turn disabled bodyLength assertions into error checks [arrow] via GitHub
2026/01/13 Re: [I] [Python] Remove Python 3.0.0 comparison for pandas/issues/50127 [arrow] via GitHub
2026/01/13 Re: [I] [Release][Packaging] Rakefile to generate linux packages requires GH_TOKEN for release candidate [arrow] via GitHub
2026/01/13 [I] [Release][Packaging] Rakefile to generate linux packages requires GH_TOKEN for release candidate [arrow] via GitHub
2026/01/13 Re: [I] [Release] Download URL for draft releases is not found [arrow] via GitHub
2026/01/13 Re: [I] [CI][Python] Nightly test-conda-python-3.11-spark-master fails initializing SparkContext [arrow] via GitHub
2026/01/13 Re: [I] [Python] Add filesystem capabilities to other IO formats (feather, csv, json, ..) [arrow] via GitHub
2026/01/13 Re: [I] [C++][Python] Do not collect python iterators if not necessary [arrow] via GitHub
2026/01/13 Re: [I] [Python] Add custom pickle reducers for UnionScalar [arrow] via GitHub
2026/01/13 Re: [I] [C++][Dataset] Support isin filter for row group (statistics-based) filtering [arrow] via GitHub
2026/01/13 Re: [I] [Python] Consider to raise or normalize if a timezone aware datetime.time object is encountered during conversion [arrow] via GitHub
2026/01/13 Re: [I] [C++] LeastSignficantBitMask has typo in name. [arrow] via GitHub
2026/01/13 Re: [I] [C++] Add an Append method to the time builders which validates the input range [arrow] via GitHub
2026/01/13 Re: [I] [Python][C++][Parquet] Ability to delete row groups from metadata [arrow] via GitHub
2026/01/13 [I] [Release] Download URL for draft releases is not found [arrow] via GitHub
2026/01/13 Re: [I] [Python] `pa.array(<pd.Series of structs>)` changes field order to be sorted [arrow] via GitHub
2026/01/13 Re: [I] [CI] Add a Comment to Issues whose Component has moves out of the monorepo [arrow] via GitHub