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• 2026/01/10 Re: [I] [R][Dataset] Expose more FileSystemDatasetFactory options [arrow] via GitHub
• 2026/01/10 Re: [I] [C++] Do not toggle memory mapping globally in LocalFileSystem [arrow] via GitHub
• 2026/01/10 Re: [I] [C++] Provide the plugin API to support customized compression codec [arrow] via GitHub
• 2026/01/10 Re: [I] [Format] Clarify whether 0-length variable offsets buffers are permissible for 0-length arrays in the IPC protocol [arrow] via GitHub
• 2026/01/10 Re: [I] [C++][Python] Allow S3 Access Point Connections in S3 File system [arrow] via GitHub
• 2026/01/10 Re: [I] [Python][Parquet] Expose _filters_to_expression [arrow] via GitHub
• 2026/01/10 Re: [I] [Python] Automatically back on larger IO block size when JSON parsing fails [arrow] via GitHub
• 2026/01/10 Re: [I] [C++] Filesystem implementation for Azure Data Lake [arrow] via GitHub
• 2026/01/10 Re: [I] [C++] Possibly allow null offsets and/or data buffer for BaseBinaryArray for 0-length arrays [arrow] via GitHub
• 2026/01/10 Re: [I] [Release] Verify release candidate wheels without using conda [arrow] via GitHub
• 2026/01/09 Re: [I] [C++][FlightRPC][ODBC] Add missing arrow:: to fix build [arrow] via GitHub
• 2026/01/09 [I] [C++][FlightRPC][ODBC] Add missing arrow:: to fix build [arrow] via GitHub
• 2026/01/09 Re: [I] [CI][Python] wheel-manylinux-2-28-cp312-cp312-amd64 fails due to out of space on runner [arrow] via GitHub
• 2026/01/09 [I] [CI] homebrew-cpp nightly job fails installing boost [arrow] via GitHub
• 2026/01/09 [I] [Python] Drop support for pandas < 2.0.0 [arrow] via GitHub
• 2026/01/09 Re: [I] [C++][Dataset] Allow FileSystemDataset's file list to be lazy [arrow] via GitHub
• 2026/01/09 Re: [I] [Python][Dataset] Expose schema inference / validation options in the factory [arrow] via GitHub
• 2026/01/09 Re: [I] [Python] Python bindings for C++ Builder classes [arrow] via GitHub
• 2026/01/09 Re: [I] [Python] Unable to filter datasets on __fragment_index? [arrow] via GitHub
• 2026/01/09 Re: [I] [C++] Simplify parsing/conversion utilities [arrow] via GitHub
• 2026/01/09 Re: [I] [C++] Support optional sentinel values in primitive Array for nulls [arrow] via GitHub
• 2026/01/09 Re: [I] [C++] Implement row range read API for IPC file (and Feather) [arrow] via GitHub
• 2026/01/09 Re: [I] [C++][Parquet] Support writing lists that have null elements that are non-empty. [arrow] via GitHub
• 2026/01/09 [I] [CI][Python] wheel-manylinux-2-28-cp312-cp312-amd64 fails due to out of space on runner [arrow] via GitHub
• 2026/01/09 Re: [I] [CI][Packaging] ubuntu-noble-arm64 has failes for several days due to network failure (403 Forbidden [IP: 91.189.92.19 80]) [arrow] via GitHub
• 2026/01/09 [I] [CI][Packaging] ubuntu-noble-arm64 has failes for several days due to network failure (403 Forbidden [IP: 91.189.92.19 80]) [arrow] via GitHub
• 2026/01/09 [I] [CI][R] test-r-alpine-linux-cran fails with segmentation fault [arrow] via GitHub
• 2026/01/09 Re: [I] [CI] Multiple nightly R builds failing due to ssache errors [arrow] via GitHub
• 2026/01/09 [I] [C++] Remove redundant nullptr assignment in FixedSizeBinary to String/Binary cast [arrow] via GitHub
• 2026/01/08 [I] csharp: does testing package need deploying? [arrow-adbc] via GitHub
• 2026/01/08 [I] [C++] Address "Compatibility with CMake < 3.5 has been removed" error [arrow] via GitHub
• 2026/01/08 Re: [I] [CI][Docs] doxygen fails on Complete Documentation on cpp/src/arrow/flight/sql/odbc/README.md [arrow] via GitHub
• 2026/01/08 Re: [I] [C++] Add tests for DayTimeIntervalBuilder [arrow] via GitHub
• 2026/01/08 [I] [C++][I/O] Improve SharedExclusiveChecker error messages [arrow] via GitHub
• 2026/01/08 Re: [I] [C++] SQLDescribeCol implementation [arrow] via GitHub
• 2026/01/08 Re: [I] [C++][FlightRPC] Use IRD precision/scale defaults with ARD override in SQLGetData [arrow] via GitHub
• 2026/01/08 Re: [I] [MATLAB] Rename getArrayProxyIDs to getProxyIDs [arrow] via GitHub
• 2026/01/08 Re: [I] [GLib] Parquet C++ is required [arrow] via GitHub
• 2026/01/08 [I] [C++][Windows] mmap returns Win32 error codes instead of errno [arrow] via GitHub
• 2026/01/08 Re: [I] Min/Max values for strings (more details please) [arrow-adbc] via GitHub
• 2026/01/08 Re: [I] [C++] Deadlock in CSV AsyncThreadedTableReader destructor [arrow] via GitHub
• 2026/01/08 Re: [I] [CI] Fix JNI build for Windows 2022 and MacOS [arrow-java] via GitHub
• 2026/01/08 [I] [CI] Fix JNI build for Windows 2022 and MacOS [arrow-java] via GitHub
• 2026/01/08 [I] [CI][C++] test-ubuntu-24.04-cpp-thread-sanitizer fails to build s2n-tls [arrow] via GitHub
• 2026/01/08 [I] [GLib] Parquet C++ is required [arrow] via GitHub
• 2026/01/08 [I] [Crossbow] Eliminate libgit2 dependency [arrow] via GitHub
• 2026/01/08 Re: [I] [Python] How to do arrow table group by and split? [arrow] via GitHub
• 2026/01/08 Re: [I] [C++] Add variant of Filesystem::OpenInputFile that has memory-map like behavior if it is possible [arrow] via GitHub
• 2026/01/08 Re: [I] [C++] Provide a default implementation for ExtensionType::ExtensionEquals [arrow] via GitHub
• 2026/01/08 Re: [I] [C++][Compute] Implement stateful TopK operator node [arrow] via GitHub
• 2026/01/08 Re: [I] [Crossbow] Eliminate libgit2 dependency [arrow] via GitHub
• 2026/01/08 Re: [I] [R] Support read and write orc file format [arrow] via GitHub
• 2026/01/08 Re: [I] [C++][Dataset] Investigate multithreaded discovery [arrow] via GitHub
• 2026/01/08 Re: [I] [Python][Documentation] Document migration from ParquetDataset to pyarrow.datasets [arrow] via GitHub
• 2026/01/08 [I] Root Allocator doesn't release memory when its closed [arrow-java] via GitHub
• 2026/01/08 [I] [CI][GPU] Add Python jobs for CUDA 13 [arrow] via GitHub
• 2026/01/08 Re: [I] [CI] Add missing permissions for reusable workflow calls [arrow] via GitHub
• 2026/01/08 [I] [CI][Docs] doxgen fails on Complete Documentation on cpp/src/arrow/flight/sql/odbc/README.md [arrow] via GitHub
• 2026/01/08 Re: [I] [CI][Ruby][Windows] "Exception in finalizer" warnings [arrow] via GitHub
• 2026/01/08 [I] [Python] RecordBatch.from_pylist fails for large rows [arrow] via GitHub
• 2026/01/08 Re: [I] [CI] Move away from Azure Pipelines [arrow] via GitHub
• 2026/01/08 [I] [CI] Add missing permissions for reusable workflow calls [arrow] via GitHub
• 2026/01/07 Re: [I] [Ruby] Hanging RactorTest in AMD64 Windows MinGW 64 GLib & Ruby build [arrow] via GitHub
• 2026/01/07 Re: [I] [CI] Add missing permissions declaration to check_labels.yml [arrow] via GitHub
• 2026/01/07 Re: [I] [CI] Pass GITHUB_TOKEN via environment variable instead of writing to disk [arrow] via GitHub
• 2026/01/07 Re: [I] [C++][Arrow Flight SQL ODBC Driver] ODBC Windows Installer [arrow] via GitHub
• 2026/01/07 [I] [CI][Ruby][Windows] "Exception in finalizer" warnings [arrow] via GitHub
• 2026/01/07 Re: [I] [CI] Only cancel in-progress builds for pull requests, not main branch [arrow] via GitHub
• 2026/01/07 [I] [CI] Only cancel in-progress builds for pull requests, not main branch [arrow] via GitHub
• 2026/01/07 [I] [CI] Pass GITHUB_TOKEN via environment variable instead of writing to disk [arrow] via GitHub
• 2026/01/07 [I] [CI] Add missing permissions declaration to check_labels.yml [arrow] via GitHub
• 2026/01/07 Re: [I] [Python] Add temporal unit checking in NumPyDtypeUnifier [arrow] via GitHub
• 2026/01/07 [I] [C++][Python] Inconsistent strftime %Z flag output on Windows [arrow] via GitHub
• 2026/01/07 [I] Improve memory management in UUID vector [arrow-java] via GitHub
• 2026/01/07 [I] [CI][Packaging] conan-minimum and conan-maximum jobs are failing [arrow] via GitHub
• 2026/01/07 [I] java/driver/jni: enable setting statement options [arrow-adbc] via GitHub
• 2026/01/07 [I] Update xsimd version [arrow] via GitHub
• 2026/01/07 Re: [I] Deadlock/busy loop while using this driver for Snowflake via Polars. Any suggestions on debugging that? [arrow-adbc] via GitHub
• 2026/01/07 Re: [I] [C++] [Cuda] Cache CUDA contexts [arrow] via GitHub
• 2026/01/07 Re: [I] [C++] Implement HTTP and FTP file systems [arrow] via GitHub
• 2026/01/07 Re: [I] [CI] Update arrow/.github /CODEOWNERS [arrow] via GitHub
• 2026/01/07 Re: [I] [C++] Allocation free error Status constants [arrow] via GitHub
• 2026/01/07 Re: [I] [R] Refactor R <-> Array conversion [arrow] via GitHub
• 2026/01/07 Re: [I] [C++][Gandiva] Generate Filter kernels from gandiva code at compile time [arrow] via GitHub
• 2026/01/07 Re: [I] [R] Implement halffloat -> R conversion [arrow] via GitHub
• 2026/01/07 Re: [I] [Developer][GLib] Document GLib development workflow when using conda environment on GTK-based Linux systems [arrow] via GitHub
• 2026/01/07 [I] [C++] Substrait serialised expression size increases exponentially due to extension URIs being repeated [arrow] via GitHub
• 2026/01/07 [I] Deadlock/busy loop while using this driver for Snowflake via Polars. Any suggestions on debugging that? [arrow-adbc] via GitHub
• 2026/01/07 [I] [Python] Remove Python 3.0.0 comparison for pandas/issues/50127 [arrow] via GitHub
• 2026/01/07 [I] [CI] Update arrow/.github /CODEOWNERS [arrow] via GitHub
• 2026/01/07 Re: [I] [CI][Documentation] Disable Unity builds to fix OpenTelemetry symbol collision in docs build [arrow] via GitHub
• 2026/01/07 [I] [MATLAB] Rename getArrayProxyIDs to getProxyIDs [arrow] via GitHub
• 2026/01/07 [I] [Go] BinaryBuilder Append() doesn't append the empty values correctly [arrow-go] via GitHub
• 2026/01/07 Re: [I] [CI][Python] manylinux-2-28 wheel tests are failing on AlmaLinux 8 [arrow] via GitHub
• 2026/01/07 Re: [I] [Python] There are some unused imports in `python/pyarrow/__init__.py` [arrow] via GitHub
• 2026/01/07 [I] Logical type definition for parquet.variant in arrow-java [arrow-java] via GitHub
• 2026/01/07 Re: [I] [Python] Add tests for Date32 and Date64 array creation with masks [arrow] via GitHub
• 2026/01/07 Re: [I] [CI][Docs] Docs preview jobs failing when building C++ [arrow] via GitHub
• 2026/01/07 [I] [CI][Docs] Docs preview jobs failing when building C++ [arrow] via GitHub
• 2026/01/06 Re: [I] [CI][Python] macos wheels are failing to build due to project.license error [arrow] via GitHub
• 2026/01/06 [I] Haning RactorTest in AMD64 Windows MinGW 64 GLib & Ruby build [arrow] via GitHub
• 2026/01/06 [I] [CI][Documentation] Disable Unity builds to fix OpenTelemetry symbol collision in docs build [arrow] via GitHub
• 2026/01/06 Re: [I] [C++] min/max aggregate for floating points can return values not contained in column [arrow] via GitHub
• 2026/01/06 Re: [I] Panic reading variant array [arrow-go] via GitHub
• 2026/01/06 Re: [I] [GLib][Ruby] Missing MakeStructOptions [arrow] via GitHub
• 2026/01/06 Re: [I] [C++] Use "more unique" ifdefs in header guards to avoid clashes [arrow] via GitHub
• 2026/01/06 [I] [C++][Parquet] Fix undefined behavior in memcpy with nullptr for empty ByteArray [arrow] via GitHub
• 2026/01/06 [I] [C++] C++20: Re-enable timezone tests once GCC fixes chrono::time_zone::get_info behavior [arrow] via GitHub
• 2026/01/06 [I] [C++] Deadlock in CSV AsyncThreadedTableReader destructor [arrow] via GitHub
• 2026/01/06 [I] [C++] Some CTypeTraits are missing [arrow] via GitHub
• 2026/01/06 [I] Panic reading variant array [arrow-go] via GitHub
• 2026/01/06 Re: [I] [FlightRPC] Make Handshake optional [arrow] via GitHub
• 2026/01/06 Re: [I] [C#] Turn on Checked mode for debug builds [arrow] via GitHub
• 2026/01/06 [I] Use "more unique" ifdefs in header guards to avoid clashes [arrow] via GitHub
• 2026/01/06 [I] [CI][Python] manylinux-2-28 wheel tests are failing on AlmaLinux 8 [arrow] via GitHub
• 2026/01/06 [I] [CI][Python] macos wheels are failing to build due to project.license error [arrow] via GitHub
• 2026/01/06 Re: [I] [Python] Test timestamp from int without pandas dependency [arrow] via GitHub
• 2026/01/06 Re: [I] Need for release to incorporate vulnerability fixes [arrow-adbc] via GitHub
• 2026/01/05 [I] [C++] Eliminate Array boxing in scalar string kernels [arrow] via GitHub
• 2026/01/05 Re: [I] [C++] Bundled Protobuf misses in libarrow_bundled_dependencies [arrow] via GitHub
• 2026/01/05 Re: [I] [Python] Construct nested MapArray from nested sequence of dicts [arrow] via GitHub
• 2026/01/05 Re: [I] postgresql: GetObjects schema filter depends on search_path [arrow-adbc] via GitHub
• 2026/01/05 Re: [I] ci: test the freethreaded wheel, and provide builds for more platforms [arrow-adbc] via GitHub
• 2026/01/05 Re: [I] [Packaging] almalinux-9 build failure [arrow-adbc] via GitHub
• 2026/01/05 [I] [C++][FlightPRC][Arrow Flight SQL ODBC] Enable `SQLGetDescField` and `SQLSetDescField` [arrow] via GitHub
• 2026/01/05 [I] [C++] Cache compiled regex matchers in string kernels [arrow] via GitHub
• 2026/01/05 Re: [I] c/driver_manager: GetOption interposer is implemented wrongly [arrow-adbc] via GitHub
• 2026/01/05 Re: [I] python: add oauth options [arrow-adbc] via GitHub
• 2026/01/05 Re: [I] c/driver_manager: Improved Error Reporting [arrow-adbc] via GitHub
• 2026/01/05 Re: [I] rust driver_manager: initializing the driver creates some dangling resources which hangs application during shutdown [arrow-adbc] via GitHub
• 2026/01/05 Re: [I] [C++] C++20: use starts_with/ends_with methods [arrow] via GitHub
• 2026/01/05 [I] Need for release to incorporate vulnerability fixes [arrow-adbc] via GitHub
• 2026/01/05 Re: [I] [C++][DataFrame] Implement zero-copy optimizations when performing Filter [arrow] via GitHub
• 2026/01/05 Re: [I] [C++] Remove pointer aliases [arrow] via GitHub
• 2026/01/05 Re: [I] [C++] [Gandiva] Cast Decimals to throw error on overflow [arrow] via GitHub
• 2026/01/05 Re: [I] [C++] Allow automatic String -> LargeString promotions when concatenating tables [arrow] via GitHub
• 2026/01/05 Re: [I] [C++][Dataset] Partition level filters should be able to provide filtering to file systems [arrow] via GitHub
• 2026/01/05 Re: [I] [Integration] Ensure dictionary IPC implementations match spec clarifications [arrow] via GitHub
• 2026/01/05 Re: [I] [R] Make "Can read Parquet files from a URL" less flaky [arrow] via GitHub
• 2026/01/05 Re: [I] [R] CRAN packaging checklist for version 22.0.0.1 [arrow] via GitHub
• 2026/01/05 Re: [I] [R] Add NEWS.md entry for 22.0.0.1 [arrow] via GitHub
• 2026/01/05 Re: [I] [C++] Confusing error with comparison operators with decimal and unsupported type [arrow] via GitHub
• 2026/01/04 [I] [C++] Bundled Protobuf misses in libarrow_bundled_dependencies [arrow] via GitHub
• 2026/01/04 Re: [I] flight-sql-jdbc-driver: Connection.setCatalog() is silently ignored [arrow-java] via GitHub
• 2026/01/04 [I] c/driver_manager: GetOption interposer is implemented wrongly [arrow-adbc] via GitHub
• 2026/01/04 Re: [I] go/adbc/driver/flightsql: support generic ingest [arrow-adbc] via GitHub
• 2026/01/04 [I] postgresql: GetObjects schema filter depends on search_path [arrow-adbc] via GitHub
• 2026/01/04 [I] [C++] Test filter operations with random null probabilities [arrow] via GitHub
• 2026/01/04 [I] [C++] Add test for UTF-8 filenames on Windows [arrow] via GitHub
• 2026/01/04 Re: [I] [Python] ipc.Message __repr__ format string not applied [arrow] via GitHub
• 2026/01/04 Re: [I] [CI][Documenation] docker-compose developer guide in the sphinx documentation [arrow] via GitHub
• 2026/01/04 Re: [I] [C++][CSV] Add support for Extention type in csv reader [arrow] via GitHub
• 2026/01/04 Re: [I] [C++] Improve MakeArrayOfNull to support creation of multiple arrays [arrow] via GitHub
• 2026/01/04 Re: [I] [R] Add methods for introspecting parquet files [arrow] via GitHub
• 2026/01/04 Re: [I] [Python] Add Array convenience method to create "masked" view with different validity bitmap [arrow] via GitHub
• 2026/01/04 Re: [I] [R] Implement HDFS file-system interface in R [arrow] via GitHub
• 2026/01/04 Re: [I] [C++] Unpin gtest in build environment [arrow] via GitHub
• 2026/01/04 Re: [I] [Archery] Default build should be minimal [arrow] via GitHub
• 2026/01/04 Re: [I] [C++] Add Parquet docs [arrow] via GitHub
• 2026/01/04 Re: [I] [C++] Improve and consolidate ARROW_CHECK, DCHECK macros [arrow] via GitHub
• 2026/01/04 [I] flight-sql-jdbc-driver: Connection.setCatalog() is silently ignored [arrow-java] via GitHub
• 2026/01/04 [I] Python - Autocommit two ways of setting it [arrow-adbc] via GitHub
• 2026/01/03 Re: [I] [C#] Write no IPC buffer metadata for NullType [arrow] via GitHub
• 2026/01/03 Re: [I] [C++] [Parquet] Refactor encoding/decoding APIs for clarity [arrow] via GitHub
• 2026/01/03 Re: [I] [C++] Remove "python" from conda_env_cpp.txt [arrow] via GitHub
• 2026/01/03 Re: [I] [Developer] Tracking issue: use strings for 64-bit int64 and uint64 in integration test JSON format [arrow] via GitHub
• 2026/01/03 Re: [I] [Format][C++]Support the format of a COO sparse matrix that has separated row and column indices [arrow] via GitHub
• 2026/01/03 Re: [I] [C++] Add ExtensionType::ValidateArray for custom validation? [arrow] via GitHub
• 2026/01/03 Re: [I] [C++][Parquet] Use arrow::Buffer for buffered dictionary indices in DictEncoder instead of std::vector [arrow] via GitHub
• 2026/01/03 Re: [I] [C++] Consolidate thirdparty bundle URLs, version bumping logic, etc [arrow] via GitHub
• 2026/01/03 Re: [I] [Python][Flight] Add Python documentation / tutorial for Flight [arrow] via GitHub
• 2026/01/02 Re: [I] [C++][FlightRPC] Document StatementAttributeId enum values in ODBC SPI [arrow] via GitHub
• 2026/01/02 [I] `ADBC_INFO_DRIVER_ARROW_VERSION` is useful? [arrow-adbc] via GitHub
• 2026/01/02 Re: [I] [Ruby] Add support for reading dictionary array [arrow] via GitHub
• 2026/01/02 Re: [I] [Ruby] Type inference bug: list element type stays int8 for large integers in nested arrays [arrow] via GitHub
• 2026/01/02 [I] [C++][FlightRPC][MSVC] Potential deadlock error after C++ 20 requirement is enabled [arrow] via GitHub
• 2026/01/02 [I] Improved Error Reporting [arrow-adbc] via GitHub
• 2026/01/02 [I] [R] "Invalid metadata$r" warning [arrow] via GitHub
• 2026/01/02 [I] [Python][Types] Type stub improvements for better coverage with Arrow IPC and compute operations [arrow] via GitHub
• 2026/01/02 [I] python: add oauth options [arrow-adbc] via GitHub
• 2026/01/02 Re: [I] [C++][Parquet] Factor out data/dictionary page writes to allow for page buffering [arrow] via GitHub
• 2026/01/02 Re: [I] [C++] Add context lines to Diff formatting [arrow] via GitHub
• 2026/01/02 Re: [I] [C++] refactor Diff and PrettyPrint to share code [arrow] via GitHub
• 2026/01/02 Re: [I] [C++][Parquet] Support direct dictionary decoding of types other than BYTE_ARRAY [arrow] via GitHub
• 2026/01/02 Re: [I] [C++] Refactor arrow/io/hdfs.h to use common FileSystem API [arrow] via GitHub
• 2026/01/02 Re: [I] [C++] Optimize the Arrow UTF-8-string-validation [arrow] via GitHub
• 2026/01/02 Re: [I] [C++] Provide an initialization and/or compatibility check function [arrow] via GitHub
• 2026/01/01 Re: [I] [Ruby] Add support for reading decimal256 array [arrow] via GitHub
• 2026/01/01 [I] [C++][FlightRPC] Use IRD precision/scale defaults with ARD override in SQLGetData [arrow] via GitHub
• 2026/01/01 Re: [I] [PYTHON] Incorrect result when building `TimestampArray` by `pa.array([datetime.datetime])` [arrow] via GitHub
• 2026/01/01 Re: [I] [GLib][Ruby] Missing SplitOptions [arrow] via GitHub
• 2026/01/01 Re: [I] [GLib][Ruby] Missing ZeroFillOptions [arrow] via GitHub
• 2026/01/01 Re: [I] [GLib][Ruby] Missing WinsorizeOptions [arrow] via GitHub
• 2026/01/01 Re: [I] [Python] support conversion to decimal type from floats? [arrow] via GitHub
• 2026/01/01 Re: [I] [C++][Parquet] Reuse arrow::Buffer used as scratch space for decryption in Thrift deserialization hot path [arrow] via GitHub
• 2026/01/01 Re: [I] [C++] Provide method on AdaptiveIntBuilder for appending integer Array types [arrow] via GitHub
• 2026/01/01 Re: [I] [C++] Provide bulk method on TypedBufferBuilder<bool> for appending a bitmap [arrow] via GitHub
• 2026/01/01 Re: [I] [C++] Extend extension types facility to provide for serialization and deserialization in IPC roundtrips [arrow] via GitHub
• 2026/01/01 Re: [I] [GLib][Ruby] Missing WeekOptions [arrow] via GitHub
• 2025/12/31 [I] [Ruby] Add support for reading dictionary array [arrow] via GitHub

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