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• 2026/02/18 Re: [I] [Python] Update documentation on FlightCallOptions regarding headers type [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Reduce allocation in Substrait serde [arrow] via GitHub
• 2026/02/18 Re: [I] Need a new Arrow FlightSql ODBC driver compatible with libnsl v2 [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] How to perform group_by on a Table on equally spaced intervals of key column specified as input [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Remove the special cases we have for building on Rosetta [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Default write_dataset min_rows_per_group parameter, 1L, can lead to very bad performance (time and memory) : [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Don't recursively produce nulls when appending nulls to a FixedSizeListBuilder [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Acero] Unnecessary call FromColumnMetadataVector in some scenarios during construct RowArray in swiss_join [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Improve FlattenRecursively by making it materialize fewer intermediate array values [arrow] via GitHub
• 2026/02/18 Re: [I] [CI][Packaging][Conan] Refactor CMake to remove conan_cmake_project_include.cmake [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][FS][Azure] Run TestGetFileInfoGenerator() with Valgrind again [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Feature: support filter before agg for acero. [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Add a @use_cache option to pyarrow.fs.FileSystem.get_file_info() [arrow] via GitHub
• 2026/02/18 Re: [I] [Python][C++] Add __FileInfo as a column option for Datasets [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][FS][Azure] Test CopyFile() with non account key credential [arrow] via GitHub
• 2026/02/18 Re: [I] [CI] Update actions/* versions in crossbow job templates [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] A more efficient "case_when" specialization for list-view types [arrow] via GitHub
• 2026/02/18 Re: [I] [CI] Use out-of-source build for all languages in Docker build [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Docs] Add documentation for mold and lld linkers [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Take the improvements from Take to the implementation of Filter [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][CSV] CSV option strings_can_be_null can not support col1, col2, col3\ncol1, [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] Archive parquet-cpp repository [arrow] via GitHub
• 2026/02/18 Re: [I] [Python][Docs] Document behavior of to_pandas with flat and nested timezone arrays [arrow] via GitHub
• 2026/02/18 Re: [I] [R] poor R performance for arrow_fixed_size_list types [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Wrap C++ Buffer as pyarrow CudaBuffer if device type is CUDA (`pyarrow_wrap_buffer`) [arrow] via GitHub
• 2026/02/18 Re: [I] [Benchmarks] Revert rig-based R installation in benchmark hooks [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Add Compute Kernel for Casting from list-like to string [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Add Compute Kernel for Casting from null to types [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] bit_util: Remove the pre-computed `kBitmask` table ? [arrow] via GitHub
• 2026/02/18 Re: [I] Add option to disable exact matches optional in join_asof [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] [Python] Add functionality of `STSProfileCredentialsProvider` to default credentials chain for `S3FileSystem` [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Add Compute Kernel for Casting from union to string [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Add Compute Kernel for Casting from struct to string [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Add support for nested types in StringFormatter [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet][Benchmark] Adding benchmarking for reading Statistics [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Asof-joins inefficiently copy the left hand side [arrow] via GitHub
• 2026/02/18 Re: [I] [C#] Add initial GObject based Dataset library [arrow] via GitHub
• 2026/02/18 Re: [I] [CI][Python] Enable pycodestyle check for Cython related files [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] fine-grained span for hash join node [arrow] via GitHub
• 2026/02/18 Re: [I] [Python][Docs] `RecordBatch.from_pydict()` and `RecordBatch.from_pylist()` example code references `pa.Table` instead of `pa.RecordBatch` [arrow] via GitHub
• 2026/02/18 Re: [I] [Python][Docs] Improve cross-references on pyarrow write_to_dataset docs [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] failed to concat_tables with nested struct [arrow] via GitHub
• 2026/02/18 Re: [I] Function 'add_checked' has no kernel matching input types (bool, bool) [arrow] via GitHub
• 2026/02/18 Re: [I] pyarrow.parquet.write_table compression arg expects a column name suffix sometimes [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Rename the fixed-width concept from fixed_width_internal.h to "generalized fixed-width" [arrow] via GitHub
• 2026/02/18 Re: [I] Add a metadata object to pyarrow.RecordBatchReader [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Compute] ScalarExecutor and VectorExecutor's can be improved by support more precise pre-allocation and more pre-allocated types [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Conversion to/from numpy 2.0+ new StringDType [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Provide a way to specify the maximum chunk size to `pyarrow.flight.RecordBatchStream` [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Don't use VisitTypeInline in DictionaryArray::Compact() [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Equals method on CudaBuffer [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Add max_threads parameter to Dataset methods [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Make the set of casts and hash kernels involving float16 consistent with other floating types [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Dataset sorting_columns support request [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Add more efficient kernels for list_slice when input and output are list-views [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Arrow][Parquet] Are there any plans to support decimal NaN? [arrow] via GitHub
• 2026/02/18 Re: [I] [pyarrow] support for casting from python's ctypes (or directly from byte objects) [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Implement cast suggestions for all nested types in Concatenate [arrow] via GitHub
• 2026/02/18 Re: [I] [CI][R] Add CI jobs for windows aarch64 [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] `pa.Table.from_pylist` support list of tuples? [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Vendor googletest [arrow] via GitHub
• 2026/02/18 Re: [I] [CI][Go][Java][JavaScript] Add new CI to ARM64-based macOS [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Support casting between list-view and list-like types [arrow] via GitHub
• 2026/02/18 Re: [I] Feature: Implement uint64 type inference pyarrow, for pa.Table.from_py* [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Copy with compaction to a different device [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Speed up `nrow()` on filtered dataset [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Acero] SourceNode ToString should print *something* useful [arrow] via GitHub
• 2026/02/18 Re: [I] [CI] Attach lint failures to PR diff view [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] BloomFilter writer: Estimate the bloom filter quality [arrow] via GitHub
• 2026/02/18 Re: [I] Python / PyArrow: pyarrow.feather support for streaming files [arrow] via GitHub
• 2026/02/18 Re: [I] Proposal: generic streaming protocol for columnar data [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] Parquet Arrow: Better interface for coerce_types handling [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Extend PyCapsule interface with support for KeyValueMetadata object [arrow] via GitHub
• 2026/02/18 Re: [I] Allow non-async server to cancel in-progress Flight RPC calls [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Command line execution of PyArrow and submodules [arrow] via GitHub
• 2026/02/18 Re: [I] [IPC] Concatenate array chunks while transferring Arrow arrays over the wire [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] IO: InputStream::Advance will always read from Stream [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] How to add support for ordering in `arrow::ArrayStatistics`? [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Current assertion of CPU-accessible data in Array methods is specific to CPU device type [arrow] via GitHub
• 2026/02/18 Re: [I] Allow `columns` to be `logically renamed` in pyarrow dataset on fragment level [arrow] via GitHub
• 2026/02/18 Re: [I] [Integration] Extend integration tests to allow implementations to handle only file or stream [arrow] via GitHub
• 2026/02/18 Re: [I] Add with_value_type to ListType [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Add bindings for additional Buffer class non-CPU methods [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Compute: RowEncoder eliminates offsets when all columns are fixed-sized [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Python][R] Add cpplint pre-commit checks to R and Python C++ code [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Python] Add Python wrapper for JSON canonical extension type [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Add row indices in parquet fragment to include/exclude [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Dedicated flavor value for `DirectoryPartitioning` [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Compute: RowEncoder supports a unsafe_encoded_row to get the std::string_view for row [arrow] via GitHub
• 2026/02/18 Re: [I] [Docs][HTTP] Recommend method(s) for resuming interrupted uploads? [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Compute] Provide date extracting functions dedicated for PostgreSQL time data type [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Let `na.rm` of `mean()` support removing `NaN` as in base R [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] DecimalRealConversion could multiply by 5 instead of 10 [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Python] Allow Schema unification when concatenating RecordBatch [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Improve Decimal32 conversion from Real [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][FS][Azure] Improve error handling [arrow] via GitHub
• 2026/02/18 Re: [I] [Python][Docs] Add new examples to CUDA integration docs [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Missing test cases in all_array_types [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Use S3 conditional writes to avoid some explicit checks [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Flight] Add support for passing pointer options down to transports [arrow] via GitHub
• 2026/02/18 Re: [I] [Python][Parquet] Read encrypted parquet datasets via _metadata [arrow] via GitHub
• 2026/02/18 Re: [I] Add support for struct type in hash_list aggregation [arrow] via GitHub
• 2026/02/18 Re: [I] Improving the pa.Table.from_pylist method [arrow] via GitHub
• 2026/02/18 Re: [I] `join`ing tables with ExtensionArrays [arrow] via GitHub
• 2026/02/18 Re: [I] Create testing functions for PyArrow.Table comparisons like `pandas.testing.assert_frame_equals()` [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][CI] Add a job to exercise cross-compiling to our nightly CI [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Add better error reporting for missing items on classpath for HadoopFileSystem [arrow] via GitHub
• 2026/02/18 Re: [I] [GLib][FlightRPC] Test sometimes crashed [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Use of Standatrd C++ callable in Filtering Dataset [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Improve performance of sequential access of ChunkResolver [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Add support for chown and chmod in HadoopFileSystem [arrow] via GitHub
• 2026/02/18 Re: [I] [Integration] Add integration test case for map type with extension key and/or value [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] from_numpy_dtype-like mapping for Python types [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] Tools: uses base64 for FLBA/Binary type min-max to avoid non-utf8 string [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] dictionary array transpose not handle null in kernel function `TransposeInts` [arrow] via GitHub
• 2026/02/18 Re: [I] [CI] Use micromamba instead of miniforge3 [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Support lists of sources and destinations on `pyarrow.fs.copy_files()` [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Minor enhance the doc and impl of DictionaryArray::Transpose [arrow] via GitHub
• 2026/02/18 [I] [Python][Packaging] Wrong ARROW_SIMD_LEVEL=SSE4_2 on arm64 macOS wheels [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Disable GCS on macos [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][R] Clean up macOS C++20 partial compatibility issues [arrow] via GitHub
• 2026/02/18 [I] Check that YMM register saving is enabled before using AVX at runtime [arrow] via GitHub
• 2026/02/18 [I] [R] Update NEWS.md for 23.0.1 [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Dataset] Simplify ScanOptions after complexity has moved to ScanNode [arrow] via GitHub
• 2026/02/18 Re: [I] Cython API does not mirror all C++ functions [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Implement hash_aggregate kernels (umbrella issue) [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Should NaN comparison return false or NaN/NA? [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Clean up docs for log/trig functions, MakeUnaryArithmeticFunctionFloatingPoint [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Python] Revisit compute functions names [arrow] via GitHub
• 2026/02/18 [I] [R] CRAN packaging checklist for version 23.0.1 [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Add systematic tests for Builder::AppendArraySlice [arrow] via GitHub
• 2026/02/18 [I] [Python] Add a PyArrow sanitizers build [arrow] via GitHub
• 2026/02/18 [I] [Dev][CI] Email reports are not being sent due to network issues sending emails [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] C++20: use standard bit utils [arrow] via GitHub
• 2026/02/18 Re: [I] java/driver/flight-sql: getObjects needs to include empty catalogs/schemas [arrow-adbc] via GitHub
• 2026/02/17 Re: [I] [C++][Parquet] Integer overflow in Parquet dict decoding [arrow] via GitHub
• 2026/02/17 Re: [I] [Ruby] Ensure using C++20 [arrow] via GitHub
• 2026/02/17 Re: [I] [C++][CI] Use differential fuzzing on IPC file fuzzer [arrow] via GitHub
• 2026/02/17 [I] [Ruby] Ensure using C++20 [arrow] via GitHub
• 2026/02/17 [I] [Ruby] Add support for auto dependency install for red-arrow on macOS [arrow] via GitHub
• 2026/02/17 Re: [I] [C++][Azure] Add ApplicationId to AzureFileSystem [arrow] via GitHub
• 2026/02/17 Re: [I] dev/release: update text for announce@ [arrow-adbc] via GitHub
• 2026/02/17 [I] [CI][Packaging][deb] Add support for minor release in `dev/release/verify-apt.sh` [arrow] via GitHub
• 2026/02/17 Re: [I] [JS] Fix instanceof or move away from instanceof within arrow-js [arrow-js] via GitHub
• 2026/02/17 [I] [C++][CI] Use differential fuzzing on IPC file fuzzer [arrow] via GitHub
• 2026/02/17 Re: [I] [CI][Python] Debian i386 job fails installing libcst dependency [arrow] via GitHub
• 2026/02/17 Re: [I] [C++] Add option to disable atfork handlers [arrow] via GitHub
• 2026/02/17 [I] NoSuchMethodError with gRPC Java 1.79.0 [arrow-java] via GitHub
• 2026/02/17 [I] Segmentation fault in pyarrow.compute.if_else: arguments have string type but the result only fits in large_string type [arrow] via GitHub
• 2026/02/17 [I] Table.to_batches() loses schema information when table has zero rows [arrow] via GitHub
• 2026/02/17 [I] [Benchmarks] Install R from conda again [arrow] via GitHub
• 2026/02/17 Re: [I] [C++][IPC] ReadMessage could optionally take body_length [arrow] via GitHub
• 2026/02/17 [I] [Python] Expose RecordBatchFileReader::CountRows in Python [arrow] via GitHub
• 2026/02/17 Re: [I] `ListViewVector#getElementEndIndex` Returns Size not Index [arrow-java] via GitHub
• 2026/02/17 Re: [I] [Java] Checker Framework annotations for AutoCloseables in arrow-memory-core are incorrect [arrow-java] via GitHub
• 2026/02/17 Re: [I] [C++][Gandiva] Add format_number hive function to gandiva [arrow] via GitHub
• 2026/02/17 Re: [I] [C++][Doc] Fix warnings generated by sphinx when incorporating doxygen docs [arrow] via GitHub
• 2026/02/17 Re: [I] [C++] Implement hash_aggregate mode kernel [arrow] via GitHub
• 2026/02/17 Re: [I] [C++] Implement hash_aggregate exact quantile kernel [arrow] via GitHub
• 2026/02/17 Re: [I] [C++] Simplify Call("case_when", ...) expressions [arrow] via GitHub
• 2026/02/17 Re: [I] BaseListBuilder constructor should check the provided type is a list [arrow] via GitHub
• 2026/02/17 Re: [I] [Packaging] Should we maintain the Arch linux repository? [arrow] via GitHub
• 2026/02/16 [I] format: provide way to escape wildcards in GetObjects [arrow-adbc] via GitHub
• 2026/02/16 [I] format: expose data types in catalog metadata [arrow-adbc] via GitHub
• 2026/02/16 Re: [I] [Go] Implement GetStatistics [arrow-adbc] via GitHub
• 2026/02/16 Re: [I] [Go] Implement GetStatistics [arrow-adbc] via GitHub
• 2026/02/16 Re: [I] [Go] Provide more detail on table types in GetObjects [arrow-adbc] via GitHub
• 2026/02/16 [I] format: expose more catalog/schema/table/column properties [arrow-adbc] via GitHub
• 2026/02/16 Re: [I] Logical type definition for parquet.variant in arrow-java [arrow-java] via GitHub
• 2026/02/16 [I] [Go] Implement GetStatistics [arrow-adbc] via GitHub
• 2026/02/16 [I] [Go] Provide more detail on table types in GetObjects [arrow-adbc] via GitHub
• 2026/02/16 [I] format: expose partition info in catalog metadata [arrow-adbc] via GitHub
• 2026/02/16 [I] format: expose sequences in catalog metadata [arrow-adbc] via GitHub
• 2026/02/16 [I] format: expose triggers in catalog metadata [arrow-adbc] via GitHub
• 2026/02/16 [I] format: expose more metadata about foreign keys [arrow-adbc] via GitHub
• 2026/02/16 [I] format: expose referenced columns in catalog metadata [arrow-adbc] via GitHub
• 2026/02/16 [I] format: add `constraint_expression` field to `CONSTRAINT_SCHEMA` [arrow-adbc] via GitHub
• 2026/02/16 [I] c/driver/postgresql: return exclusion constraints [arrow-adbc] via GitHub
• 2026/02/16 [I] format: expose indexes in catalog metadata [arrow-adbc] via GitHub
• 2026/02/16 [I] format: expose table/view definitions in catalog metadata [arrow-adbc] via GitHub
• 2026/02/16 [I] format: expose functions/procedures in catalog metadata [arrow-adbc] via GitHub
• 2026/02/16 Re: [I] [Release] Update vote thread email template to include checkum [arrow] via GitHub
• 2026/02/16 [I] [Python][Docs] Incorrect parameter descriptions in SparseCSCMatrix.from_numpy [arrow] via GitHub
• 2026/02/16 Re: [I] ci: replace milestone assignment bot [arrow-adbc] via GitHub
• 2026/02/16 [I] [C++][Parquet] Integer overflow in Parquet dict decoding [arrow] via GitHub
• 2026/02/16 Re: [I] Use released apache/arrow instead of main for apache/arrow-java release [arrow-java] via GitHub
• 2026/02/16 Re: [I] [R]: add support to the new dplyr verb filter_out [arrow] via GitHub
• 2026/02/16 Re: [I] [Python] Better Error Message for ValueError [arrow] via GitHub
• 2026/02/16 Re: [I] [Integration] Add Rust map [arrow] via GitHub
• 2026/02/16 Re: [I] [C++] Add StopToken to ExecNode [arrow] via GitHub
• 2026/02/16 Re: [I] [C++][Compute] Allow Fragments to attach guarantees to scanned batches [arrow] via GitHub
• 2026/02/16 Re: [I] [C++] Distinguish between async-reentrant generators and unsafe generators [arrow] via GitHub
• 2026/02/16 Re: [I] [C++][Dataset] Enforce single use of Scanner [arrow] via GitHub
• 2026/02/16 Re: [I] [C++] [Dataset] Improve the _metadata example to show how to properly create _metadata if there is a partitioning [arrow] via GitHub
• 2026/02/16 Re: [I] [R] Add note to docs on validating IPC streams [arrow] via GitHub
• 2026/02/16 Re: [I] [C++] Fix abort when reading IPC file with a union validity bitmap and pre-buffering enabled [arrow] via GitHub
• 2026/02/16 Re: [I] [C++] CRAN build fail on missing `std::floating_point` concept [arrow] via GitHub
• 2026/02/16 [I] Use released apache/arrow instead of main for apache/arrow-java release [arrow-java] via GitHub
• 2026/02/16 [I] Update vcpkg revision for Linux JNI build [arrow-java] via GitHub
• 2026/02/15 [I] [Python] test_memory.py fails with `-DARROW_MIMALLOC=OFF` [arrow] via GitHub

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