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• 2025/12/27 Re: [I] [Gandiva] Enable timestamp tests on windows platform [arrow] via GitHub
• 2025/12/27 Re: [I] [C++, lint] Use clang-format more efficiently in `check-format` target [arrow] via GitHub
• 2025/12/27 Re: [I] [C++] Consolidate random string generators for use in benchmarks and unittests [arrow] via GitHub
• 2025/12/27 Re: [I] [C++] Merge parquet/util/test-common.h into common arrow/testing directory [arrow] via GitHub
• 2025/12/26 [I] Add code examples for compute function min/max/min_max [arrow] via GitHub
• 2025/12/26 [I] [PYTHON] There are some unused imports in `python/pyarrow/__init__.py` [arrow] via GitHub
• 2025/12/26 Re: [I] [C++/Python] Human readable arrow schema comparison [arrow] via GitHub
• 2025/12/26 Re: [I] [C++] Extend visitor functions to include ArrayBuilder and allow callable visitors [arrow] via GitHub
• 2025/12/26 Re: [I] [Python] When converting from Pandas, coerce mixed columns to String [arrow] via GitHub
• 2025/12/26 Re: [I] [Python] Pretty printing very large ChunkedArray objects can use unbounded memory [arrow] via GitHub
• 2025/12/26 Re: [I] [C++] Add function to "conform" a dictionary array to a target new dictionary [arrow] via GitHub
• 2025/12/26 Re: [I] [C++][Python] Table.flatten() doesn't work recursively [arrow] via GitHub
• 2025/12/26 Re: [I] [C++] Preserve "ordered" metadata in some special cases in dictionary unification [arrow] via GitHub
• 2025/12/25 Re: [I] Building ADBC and flightsql driver on Windows [arrow-adbc] via GitHub
• 2025/12/25 [I] [R] Implement support for keepNA = FALSE in base::nchar() [arrow] via GitHub
• 2025/12/25 [I] [R] Remove `trace$calls %||% trace$call` once rlang > 0.4.11 is released [arrow] via GitHub
• 2025/12/25 [I] [R] Add tests for filter() and arrange() with aggregation expressions [arrow] via GitHub
• 2025/12/25 [I] [R] Add test for slice_sample with prop = 1 edge case [arrow] via GitHub
• 2025/12/25 [I] [Python] Test timestamp from int without pandas dependency [arrow] via GitHub
• 2025/12/25 [I] c/driver_manager: support vendoring somehow [arrow-adbc] via GitHub
• 2025/12/25 Re: [I] [C++] RFC: standardize ArrayBuilder subclasses [arrow] via GitHub
• 2025/12/25 Re: [I] [C++] Implement hashing, dictionary-encoding for StructArray [arrow] via GitHub
• 2025/12/25 Re: [I] [Python] Revamp handling of file URIs in pyarrow.parquet [arrow] via GitHub
• 2025/12/25 Re: [I] [Python] Create Parquet Schema in python [arrow] via GitHub
• 2025/12/24 [I] Why StructBuilder::AppendNull() appends empty value to each child? [arrow] via GitHub
• 2025/12/24 [I] [PYTHON] Some PIC functions are not documented in API reference [arrow] via GitHub
• 2025/12/24 [I] [Ruby] Add support for reading decimal128 array [arrow] via GitHub
• 2025/12/24 Re: [I] [GLib][Ruby] Missing PairwiseOptions [arrow] via GitHub
• 2025/12/24 Re: [I] [GLib][Ruby] Missing PadOptions [arrow] via GitHub
• 2025/12/24 Re: [I] [GLib][Ruby] Missing NullOptions [arrow] via GitHub
• 2025/12/24 Re: [I] [GLib][Ruby] Missing ModeOptions [arrow] via GitHub
• 2025/12/24 Re: [I] [Python] Provide Python API to ArrayBuilder classes [arrow] via GitHub
• 2025/12/24 Re: [I] [Python] When converting nested types to pandas, use tuples [arrow] via GitHub
• 2025/12/24 Re: [I] [Python] Try to cast or normalize schemas when writing a table to ParquetWriter [arrow] via GitHub
• 2025/12/24 Re: [I] [Python] query distinct values of a given partition from a ParquetDataset [arrow] via GitHub
• 2025/12/24 Re: [I] [Python] Output a representation of pyarrow.Schema that can be used to reconstruct a schema in a script [arrow] via GitHub
• 2025/12/24 Re: [I] [Python] Expose Python API for start and end offset of row group in parquet file [arrow] via GitHub
• 2025/12/24 Re: [I] [Gandiva] Improve `make_in_expression` [arrow] via GitHub
• 2025/12/24 Re: [I] [Packaging] Use CircleCI for conda builds on linux [arrow] via GitHub
• 2025/12/24 Re: [I] [Python] Add "nrows" argument to parquet.read_table read indicated number of rows from file instead of whole file [arrow] via GitHub
• 2025/12/24 Re: [I] [Packaging] Substitute deb package names via crossbow [arrow] via GitHub
• 2025/12/24 [I] [CI] Multiple nightly R builds failing due to ssache errors [arrow] via GitHub
• 2025/12/23 Re: [I] [GLib][Ruby] Missing ListSliceOptions [arrow] via GitHub
• 2025/12/23 [I] [C++][FlightSQL][ODBC] Potential deadlock error after C++ 20 requirement is enabled [arrow] via GitHub
• 2025/12/23 Re: [I] [CI][Benchmarking] Switch to new conbench instance [arrow-go] via GitHub
• 2025/12/23 [I] Enable multi-threaded reads of struct-list stored data in parquet files [arrow] via GitHub
• 2025/12/23 Re: [I] [Python] Remove deprecated Array.format [arrow] via GitHub
• 2025/12/23 Re: [I] [C++] Implement regex/multichar delimiter tokenizer [arrow] via GitHub
• 2025/12/23 Re: [I] [Python] Implement pa.RecordBatch.serialize_to to write single message to an OutputStream [arrow] via GitHub
• 2025/12/23 Re: [I] [Gandiva] Add a string based expression parser [arrow] via GitHub
• 2025/12/23 Re: [I] [C++] Pluggable statistics collector API for unconvertible CSV values [arrow] via GitHub
• 2025/12/23 Re: [I] [C++][Dataset] Automatically detect boolean partition columns [arrow] via GitHub
• 2025/12/23 Re: [I] [C++] Specify expected behavior of table concatenation, creating table from multiple record batches, if schema metadata is unequal [arrow] via GitHub
• 2025/12/23 Re: [I] [C++] Implement whitespace CSV tokenizer [arrow] via GitHub
• 2025/12/23 [I] [C++] Why is arrow mmap marked MAP_PRIVATE (during read)? [arrow] via GitHub
• 2025/12/23 [I] Rust & Adbc RecordBatchReader behviour [arrow-adbc] via GitHub
• 2025/12/22 [I] [R] Add NEWS.md entry for 22.0.0.1 [arrow] via GitHub
• 2025/12/22 [I] [R] Non-API calls: 'ATTRIB', 'SET_ATTRIB' [arrow] via GitHub
• 2025/12/22 [I] c: don't require ADBC_BUILD_VCPKG [arrow-adbc] via GitHub
• 2025/12/22 [I] [CI] Use same version of vcpkg in Windows and other CI [arrow-adbc] via GitHub
• 2025/12/22 [I] [R] Add test coverage for joins with duplicate columns and type casting [arrow] via GitHub
• 2025/12/22 [I] [Python] Add PyDecimal_Check(pythopn_decimal) as a ARROW_DCHECK [arrow] via GitHub
• 2025/12/22 Re: [I] Could we have also Wheels for Python-3.14t on windows 64 bit ? on pypi ? [arrow-adbc] via GitHub
• 2025/12/22 [I] [Dev] Add free-threaded wheels to release verification [arrow-adbc] via GitHub
• 2025/12/22 [I] [Python] Add temporal unit checking in NumPyDtypeUnifier [arrow] via GitHub
• 2025/12/22 Re: [I] [Python] Unable to import arrow table to pandas if it has categorical columns with index types of unsigned ints [arrow] via GitHub
• 2025/12/22 Re: [I] [GLib] Use `Arrow-${MAJOR}.${MINOR}.typelib` not `Arrow-1.0.typelib` [arrow] via GitHub
• 2025/12/22 [I] [CI][Dev] Add missing headers to nightly email reports [arrow] via GitHub
• 2025/12/22 [I] [R] CRAN packaging checklist for version 22.0.0.1 [arrow] via GitHub
• 2025/12/21 Re: [I] [Ruby] Add support for reading streaming format [arrow] via GitHub
• 2025/12/21 Re: [I] [GLib][Ruby] Missing MapLookupOptions [arrow] via GitHub
• 2025/12/21 [I] Could we have also Wheels for Python-3.14t on windows 64 bit ? on pypi ? [arrow-adbc] via GitHub
• 2025/12/21 Re: [I] [C++][Parquet] Add tests for C++ tools [arrow] via GitHub
• 2025/12/21 Re: [I] [Python] Support spark parquet array and map types [arrow] via GitHub
• 2025/12/21 Re: [I] [R] Use R sentinel values for missingness in addition to bitmask [arrow] via GitHub
• 2025/12/21 Re: [I] [C++] Utilize zero-copy protobuf parsing from upstream whenever it becomes available [arrow] via GitHub
• 2025/12/21 Re: [I] [C++][Parquet] Deprecate parquet/api/* in favor of simpler public API "parquet/api.h" [arrow] via GitHub
• 2025/12/21 Re: [I] [C++] Address libparquet SO version convention in unified build [arrow] via GitHub
• 2025/12/21 Re: [I] [C++] Parallelize execution of ScalarAggregateFunction [arrow] via GitHub
• 2025/12/21 Re: [I] [Python] Infer index and/or filtering from parquet column statistics [arrow] via GitHub
• 2025/12/21 Re: [I] [Python] Support seek(...) on writable files that support it [arrow] via GitHub
• 2025/12/21 Re: [I] [Python] Move all the test data files to apache/arrow-testing [arrow] via GitHub
• 2025/12/21 [I] [GLib] Use `Arrow-${MAJOR}.${MINOR}.typelib` not `Arrow-1.0.typelib` [arrow] via GitHub
• 2025/12/20 Re: [I] ci: add musl builds to the nightly-verify workflow [arrow-adbc] via GitHub
• 2025/12/20 [I] [R] `ATTRIB` will be removed [arrow-nanoarrow] via GitHub
• 2025/12/20 [I] [Ruby] Add support for reading streaming format [arrow] via GitHub
• 2025/12/20 Re: [I] [Ruby] Cannot create FixedSizeListArray objects directly [arrow] via GitHub
• 2025/12/20 [I] [Ruby] Cannot create FixedSizeListArray objects directly [arrow] via GitHub
• 2025/12/20 Re: [I] [Ruby] Arrow::Table.new infers nested integer arrays as utf8 when all values are non-negative [arrow] via GitHub
• 2025/12/20 Re: [I] [Ruby] Add support for reading interval arrays [arrow] via GitHub
• 2025/12/20 Re: [I] [C++] Define common abstract APIs for database clients [arrow] via GitHub
• 2025/12/20 Re: [I] [C++/Python] Document how to provide information on segfaults [arrow] via GitHub
• 2025/12/20 Re: [I] [Format] Interval type is not documented [arrow] via GitHub
• 2025/12/20 Re: [I] [C++] Add LDAP authentication for hiveserver2 [arrow] via GitHub
• 2025/12/20 Re: [I] [Python] Implement type unification abstraction for type inference code [arrow] via GitHub
• 2025/12/20 Re: [I] [Python] Python bindings for HiveServer2 client interface [arrow] via GitHub
• 2025/12/20 Re: [I] [C++] Conversion to Arrow record batch for HiveServer2 ColumnarRowSet [arrow] via GitHub
• 2025/12/20 Re: [I] [C++] Add SSL support for hiveserver2 [arrow] via GitHub
• 2025/12/20 Re: [I] [Python] Add option to treat invalid PyObject* values as null in pyarrow.array [arrow] via GitHub
• 2025/12/20 Re: [I] [Python] Define API for handling null markers from Array.to_numpy [arrow] via GitHub
• 2025/12/19 [I] [Python] ipc.Message __repr__ format string applied [arrow] via GitHub
• 2025/12/19 [I] [C++][CI] Resolve push to nuget timeout issue by adding timeout option [arrow] via GitHub
• 2025/12/19 [I] [C++][FlightSQL][ODBC][CI] Resolve flakey 403 error for push to nuget [arrow] via GitHub
• 2025/12/19 [I] [GLib][CI] Resolve flakey `403` error for push to nuget [arrow] via GitHub
• 2025/12/19 [I] [Ruby] Add support for reading interval arrays [arrow] via GitHub
• 2025/12/19 Re: [I] [GLib][Ruby] Missing ListFlattenOptions [arrow] via GitHub
• 2025/12/19 Re: [I] [C++] Meson Configuration Broken [arrow] via GitHub
• 2025/12/19 Re: [I] [Python] Improve error message in CheckTypeExact arrow_to_pandas.cc [arrow] via GitHub
• 2025/12/19 [I] [CI] Disable the stale-issues CI job [arrow] via GitHub
• 2025/12/19 Re: [I] [R] Tests which use `with_language()` fail on CRAN [arrow] via GitHub
• 2025/12/19 Re: [I] [R] Update PACKAGING.md in light of changes to release process [arrow] via GitHub
• 2025/12/19 Re: [I] [Python] Build & Test with PyPy [arrow] via GitHub
• 2025/12/19 Re: [I] [Python] parquet.write_to_dataset is memory-hungry on large DataFrames [arrow] via GitHub
• 2025/12/19 Re: [I] [Java/Python] Complex type conversion in pyarrow.Field.from_jvm [arrow] via GitHub
• 2025/12/19 Re: [I] [Java/Python] Support VarCharVector / StringArray in pyarrow.Array.from_jvm [arrow] via GitHub
• 2025/12/19 Re: [I] [Java/Python] Add support for dictionary type to pyarrow.Field.from_jvm [arrow] via GitHub
• 2025/12/19 Re: [I] [Doc] Add example of List with nested child type in format specification documents [arrow] via GitHub
• 2025/12/19 Re: [I] [C++/Python] Provide assertion helpers in the style of pandas.testing.assert_frame_equal [arrow] via GitHub
• 2025/12/19 Re: [I] [CI][Python] Update Python installs for free-threaded wheels [arrow] via GitHub
• 2025/12/19 [I] [Python] Pyarrow fs incorrectly resolves S3 URIs with white space as a local path [arrow] via GitHub
• 2025/12/18 [I] [Go] An uncaught error caused a subsequent panic [arrow-go] via GitHub
• 2025/12/18 Re: [I] [Ruby] Add support for reading duration array [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] Use FetchContent for bundled opentelemetry [arrow] via GitHub
• 2025/12/18 [I] [C++/Python] Kernel for SetItem(IntegerArray, values) ("replace_with_indices") [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] libarrow_flight symbol issue with pre-packaged Abseil >= 20240722.0 [arrow] via GitHub
• 2025/12/18 [I] [C++][FlightSQL][ODBC] MSVC CI caching issues [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Parquet] Develop external predicate pushdown API for column readers [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Parquet][CI] Add more encodings to fuzzing seed corpus [arrow] via GitHub
• 2025/12/18 Re: [I] [Python][C++][CI] test_s3_options crash on macOS [arrow] via GitHub
• 2025/12/18 Re: [I] Website returns 404 for docs version 16.0 [arrow] via GitHub
• 2025/12/18 [I] [C++] C++20: use standard calendar / timezone APIs [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] Fastest way to handle csv file w/ column mismatch [arrow] via GitHub
• 2025/12/18 [I] [C++] C++20: use starts_with/ends_with methods [arrow] via GitHub
• 2025/12/18 [I] [C++] C++20: use standard bit utils [arrow] via GitHub
• 2025/12/18 [I] [C++] C++20: add/use concepts [arrow] via GitHub
• 2025/12/18 [I] [C++] C++20: use std::bit_cast [arrow] via GitHub
• 2025/12/18 [I] [C++] C++20: use std::span [arrow] via GitHub
• 2025/12/18 [I] [C++] C++20 modernization [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Docs] Update minimum GCC to 8 and C++ standard to C++20 [arrow] via GitHub
• 2025/12/18 Re: [I] [Developer][Documentation] Organize source and binary dependency licenses into directories [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Python] Set up testing for backwards compatibility of the parquet reader [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] Remove compute pointer aliases [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] Add Result<T> to the Visitor pattern [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Parquet] Implement non-vectorized array reconstruction logic. [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Parquet] Key rotation tool [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Parquet] Large decimal values don't roundtrip correctly [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] Use feature enum [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Parquet] Create randomized nested data generation round trip read/write unit tests [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Gandiva] Add CMake support for compiling LLVM's IR into a library [arrow] via GitHub
• 2025/12/18 Re: [I] [Archery] Comment bot should report any errors happening during crossbow submit [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] Serialising numpy array yields `pyarrow.lib.ArrowNotImplementedError: list<item: float>` [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] Conversion of numpy array to pyarrow.Tensor: Negative ndarray strides not supported [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] -Dzlib_SOURCE=BUNDLED on Windows does not produce arrow.dll with zlib statically linked [arrow] via GitHub
• 2025/12/18 Re: [I] [Dataset][C++] RecordBatchProjector is not thread safe [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Dataset] Implement ScalarAsStatisctics for non-primitive types [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] clang-tidy diagnostics not emitted for most headers [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] Gandiva exposes LLVM symbols [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] Writing partitions with NaNs silently drops data [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Dataset] Give more informative error message for mismatching schemas for FileSystemSources [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] Expose dataset PartitioningFactory.inspect ? [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] csv.ConvertOptions Do Not Pass Through/Retain Nullability from Schema [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] csv.ConvertOptions Documentation Is Unclear Around Disabling Type Inference [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Parquet] 1.4.0+ reader ignore stats created by 1.3.* writer [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] Segfault in pandas version 1.0.1, read_parquet after creating a clickhouse odbc connection [arrow] via GitHub
• 2025/12/18 Re: [I] [FlightRPC][C++] DoPutPayloadWriter doesn't always expose server error message [arrow] via GitHub
• 2025/12/18 Re: [I] [Developer][C++] IWYU fails on include-cycle in uriparser/Uri.h [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] gcc6 warning re: arrow::internal::ArgSort [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][CSV] Issue building CSV component under GCC 6.1.0 [arrow] via GitHub
• 2025/12/18 Re: [I] [Docs] Integration testing instructions for base docker image are incorrect [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] hdfs fails to connect to for HDFS 3.x cluster [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] Empty table creation from schema with nested dictionary type [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Python] Make reading functions to return consistent exceptions [arrow] via GitHub
• 2025/12/18 Re: [I] [C++][Compute] Provide a kernel property testing API [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] Default display for multi-choice define_option_string is misleading [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] Unable to load libjvm on ppc64le architecture for hdfs.connect() [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] Writing IPC messages with 64-byte buffer alignment vs. 8-byte default [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] read_csv() case of user specified column_names AND include_columns [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] Column type inference in read_csv vs. open_csv. CSV conversion error to null [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] overloaded virtual function "arrow::io::Writable::Write" is only partially overridden in class [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] pandas index information gets lost when partition_cols are used [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] Specifying columns in a dataset drops the index (pandas) metadata. [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] Column names of type CategoricalIndex fails to convert back to pandas [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] jemalloc_set_decay_ms precedence [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] parquet.read_table causes crashes on Windows Server 2016 w/ Xeon Processor [arrow] via GitHub
• 2025/12/18 Re: [I] [Format] Clarify that a compressed IPC buffer can be empty for empty data [arrow] via GitHub
• 2025/12/18 [I] [Format][C++] Add tensor and sparse tensor supports in File metadata [arrow] via GitHub
• 2025/12/18 Re: [I] [C++/Python] S3FileSystem.create_dir should raise for a nested directory with recursive keyword set to False [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] Raw data equality in arrays vs. semantic value equality [arrow] via GitHub
• 2025/12/18 Re: [I] [Website] Transition to new .asf.yaml machinery for website publishing [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] Extending STL API to support row-wise conversion [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] Add Array ctor microbenchmarks [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] CSV reader accept schema [arrow] via GitHub
• 2025/12/18 Re: [I] [Crossbow] Unify the version numbers generated by crossbow and rake [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] More extensive attributes usage could improve debugging [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] Consider adding some user-friendly conveniences to Filesystem API [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] Create "ARROW_LIBRARIES" argument to pass list of desired components to build [arrow] via GitHub
• 2025/12/18 Re: [I] [C++] In CMake output, list each enabled thirdparty toolchain dependency and the reason for its being enabled [arrow] via GitHub
• 2025/12/18 Re: [I] [Python] Define PyObjectBuffer with Py_XDECREF logic in destructor for object array memory [arrow] via GitHub
• 2025/12/18 Re: [I] [Packaging][Crossbow] Always upload binary artifacts regardless of the test result [arrow] via GitHub
• 2025/12/18 Re: [I] [CI] Turn off unnecessary features in the integration tests (spark/turbodbc/dask/hdfs) [arrow] via GitHub

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