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• 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
• 2026/02/15 [I] [Packaging][deb] Update `debian/watch` for version 5 [arrow] via GitHub
• 2026/02/15 [I] [C++] Add support for armv8 and armv9 [arrow] via GitHub
• 2026/02/15 [I] [C++] Change the C Type of HalfFloatType [arrow] via GitHub
• 2026/02/15 Re: [I] docs: build is failing [arrow-adbc] via GitHub
• 2026/02/15 Re: [I] python: wheels fail to build on linux/amd64 [arrow-adbc] via GitHub
• 2026/02/15 Re: [I] dev/release: nightly verification is failing [arrow-adbc] via GitHub
• 2026/02/15 Re: [I] rust: enums should derive Copy, Eq, PartialEq (API papercut) [arrow-adbc] via GitHub
• 2026/02/15 [I] python: wheels fail to build on linux/amd64 [arrow-adbc] via GitHub
• 2026/02/15 [I] docs: build is failing [arrow-adbc] via GitHub
• 2026/02/15 [I] dev/release: nightly verification is failing [arrow-adbc] via GitHub
• 2026/02/15 [I] Consider batching calls to GC.AddMemoryPressure [arrow-dotnet] via GitHub
• 2026/02/15 Re: [I] [CI] Remove extra ubuntu-r-only-r service from docker-compose.yml [arrow] via GitHub
• 2026/02/15 Re: [I] [C++][Gandiva] Implement parse_url hive function [arrow] via GitHub
• 2026/02/15 Re: [I] [C++] Kernel to convert timestamp with timezone to another timezone (metadata-only change) [arrow] via GitHub
• 2026/02/15 Re: [I] [C++] Support ORC in Arrow Dataset [arrow] via GitHub
• 2026/02/15 Re: [I] [Python][CI] macOS wheel builds should raise on linker warnings [arrow] via GitHub
• 2026/02/15 Re: [I] [R] Implement type determination more cleanly [arrow] via GitHub
• 2026/02/15 Re: [I] [C++] Optimize ArrayBuilder::AppendScalar [arrow] via GitHub
• 2026/02/14 Re: [I] [C++][FlightSQL][ODBC] macOS ODBC setup ini script [arrow] via GitHub
• 2026/02/14 [I] [C++][ORC] Add OrcFileFragment with stripe-level subsetting [arrow] via GitHub
• 2026/02/14 [I] [C++][R] Clean up macOS C++20 partial compatibility issues [arrow] via GitHub
• 2026/02/14 [I] [Python] RecordBatch.serialize() should support writing into a pre-allocated buffer [arrow] via GitHub
• 2026/02/14 Re: [I] [C++] Reducing branching in compute/kernels/vector_selection.cc [arrow] via GitHub
• 2026/02/14 Re: [I] [R] Add bindings for ProjectOptions [arrow] via GitHub
• 2026/02/14 Re: [I] [C++][Dataset] Allow setting FragmentReadahead to 0 in ScannerBuilder [arrow] via GitHub
• 2026/02/14 Re: [I] [C++][Compute] Extract preallocation logic from KernelExecutor [arrow] via GitHub
• 2026/02/14 Re: [I] [R] Convert named lists to structs instead of (unnamed) lists [arrow] via GitHub
• 2026/02/14 Re: [I] [C++][Compute] Dispatch* should examine options as well as input types [arrow] via GitHub
• 2026/02/14 Re: [I] [R] Improve handling of R scalars in some nse_funcs [arrow] via GitHub
• 2026/02/13 [I] Feature Request: [postgresql] Comprehensive Metadata Discovery for Data Development Tools [arrow-adbc] via GitHub
• 2026/02/13 [I] [C++][FlightRPC] Add separate release & debug workflows for MacOS ODBC [arrow] via GitHub
• 2026/02/13 [I] [C++] Synthetic OOM tests are allocator-sensitive with mimalloc [arrow] via GitHub
• 2026/02/13 [I] [Python][Doc] Add examples for non-dense sparse tensor constructors [arrow] via GitHub
• 2026/02/13 [I] [Doc] Update docs to specify disclosure of AI on mailing list messages [arrow] via GitHub
• 2026/02/13 [I] [Doc][C++] Document security model for Arrow C++ [arrow] via GitHub
• 2026/02/13 Re: [I] [R] Support dplyr::filter_out() in Arrow dplyr backend [arrow] via GitHub
• 2026/02/13 Re: [I] [R][CI] Get rid of unused CentOS CI job [arrow] via GitHub
• 2026/02/13 [I] [Python] Wheel / sdist build uses docstrings generation script we don't want to distribute [arrow] via GitHub
• 2026/02/13 Re: [I] [R] Bindings for glue() [arrow] via GitHub
• 2026/02/13 Re: [I] [C++] Allow producers to require callbacks are scheduled on a new thread [arrow] via GitHub
• 2026/02/13 Re: [I] [R] Bindings for str_replace_na() [arrow] via GitHub
• 2026/02/13 Re: [I] [C++] String formatting kernel [arrow] via GitHub
• 2026/02/13 Re: [I] [C++][Python] Allow to specify a dictionary type for dictionary_encode() function [arrow] via GitHub
• 2026/02/13 Re: [I] [C++] Clean up options enums in FunctionOptions [arrow] via GitHub
• 2026/02/13 Re: [I] [C++] Avoid construction of unaligned pointers [arrow] via GitHub
• 2026/02/13 Re: [I] [CI][Python] Nightly sdist job fails due to missing update_stub_docstrings.py file [arrow] via GitHub
• 2026/02/13 [I] [C++][CI] arrow-json-test segfaults occasionally on AMD64 Windows MinGW MINGW64 C++ job [arrow] via GitHub
• 2026/02/12 [I] python: add support for non-ascii charactor path [arrow-adbc] via GitHub
• 2026/02/12 [I] [Python][Docs] Add code examples for compute function first/last/first_last [arrow] via GitHub
• 2026/02/12 Re: [I] dev/release: include SHA of source tarball in the generated vote email [arrow-adbc] via GitHub
• 2026/02/12 Re: [I] [Ruby] Add support for writing dictinary delta for primitive dictionary [arrow] via GitHub
• 2026/02/12 [I] [C++][FlightRPC] Fix ODBC tests for MacOS [arrow] via GitHub
• 2026/02/12 Re: [I] [CI][Python] Nightly wheels fail to be uploaded to anaconda scientific nightlies channel [arrow] via GitHub
• 2026/02/12 [I] [C++][Parquet] Optimize delta bit-packed decoding when bit-width = 0 [arrow] via GitHub
• 2026/02/12 [I] [CI][Python] Debian i386 job fails installing libcst dependency [arrow] via GitHub
• 2026/02/12 Re: [I] [CI] AMD64 macOS 15-intel Python 3 consistently times out [arrow] via GitHub
• 2026/02/12 [I] [C++][CI] Use differential fuzzing [arrow] via GitHub
• 2026/02/12 [I] C++ documentation for Parquet files is misleading for includes [arrow] via GitHub
• 2026/02/12 [I] [Python] RecordBatch.serialize() silently drops dictionary messages [arrow] via GitHub
• 2026/02/12 [I] [R] Support dplyr::filter_out() in Arrow dplyr backend [arrow] via GitHub
• 2026/02/12 [I] Release new version due to vulnerabilities [arrow-adbc] via GitHub
• 2026/02/12 [I] [Python] Fix DeprecationWarnings in PyArrow tests [arrow] via GitHub
• 2026/02/12 Re: [I] [Website] FAQ page (and others) should allow linking to a heading [arrow] via GitHub
• 2026/02/12 Re: [I] [C++] [Gandiva] Enable Gandiva to run the LLVM in Interpreted mode [arrow] via GitHub
• 2026/02/12 Re: [I] [C++][Compute][Python] Move (majority of) kernel unit tests to python [arrow] via GitHub
• 2026/02/12 Re: [I] [C++] CSV add convert option to attempt 32bit number inferences [arrow] via GitHub
• 2026/02/12 Re: [I] [Docs] Describe supported OS + client languages [arrow] via GitHub
• 2026/02/12 Re: [I] [C++] Add/improve documentation about employing Arrow in downstream CMake projects [arrow] via GitHub
• 2026/02/12 Re: [I] Supporting Sets (HashSets) [arrow] via GitHub
• 2026/02/12 Re: [I] [CI][Dev] Report for CPP extra shows ODBC nightly as failed [arrow] via GitHub
• 2026/02/11 Re: [I] [C++][Integration] `libarrow_c_data_integration.so` isn't built with `ARROW_BUILD_TESTS=ON` and `ARROW_BUILD_INTEGRATION=ON` [arrow] via GitHub
• 2026/02/11 [I] [GLib] Deprecate Feather reader and writer [arrow] via GitHub
• 2026/02/11 Re: [I] [Python] Enable pyarrow AzureFileSystem for Windows [arrow] via GitHub
• 2026/02/11 [I] dev/release: include SHA of source tarball in the generated vote email [arrow-adbc] via GitHub
• 2026/02/11 [I] c: require C++20 as the baseline for implementations? [arrow-adbc] via GitHub
• 2026/02/11 [I] [C++][FlightRPC][ODBC] SQLError for macOS [arrow] via GitHub
• 2026/02/11 Re: [I] array.JSONReader error on unmarshal data in exponent notation to int64 field [arrow-go] via GitHub
• 2026/02/11 [I] [Release] Update vote thread email template to include checkum [arrow] via GitHub
• 2026/02/11 [I] [CI] Bump MACOSX_DEPLOYMENT_TARGET to 14 [arrow] via GitHub
• 2026/02/11 [I] [C++][FlightRPC] ODBC: Replace boost::xpressive with alternatives [arrow] via GitHub
• 2026/02/11 [I] [C++][FlightRPC] ODBC: Replace boost::beast with alternatives [arrow] via GitHub
• 2026/02/11 [I] [C++][FlightRPC] ODBC: Replace boost::variant with std::variant [arrow] via GitHub
• 2026/02/11 Re: [I] [C++][Flight SQL ODBC] Switch `boost::algorithm` usages to alternatives [arrow] via GitHub
• 2026/02/11 [I] [Packaging][Release] Binary verification downloads loads of packages which aren't necessary for the verification [arrow] via GitHub
• 2026/02/11 Re: [I] rust snowflake: bulk ingest with the ADBC_INGEST_OPTION_MODE_CREATE_APPEND mode does not fail during schema updates [arrow-adbc] via GitHub
• 2026/02/11 [I] Improve Security Considerations Documentation - include pointer to validation functions for validating IPC streams. [arrow] via GitHub
• 2026/02/11 [I] [R] Deprecate Feather reader and writer [arrow] via GitHub
• 2026/02/11 [I] [CI][Python] Nightly sdist job due to missing update_stub_docstrings.py file [arrow] via GitHub
• 2026/02/11 [I] [CI][Python] Nightly wheels fail to be uploaded to anaconda scientific nightlies channel [arrow] via GitHub
• 2026/02/11 [I] [Python] Deprecate Feather reader and writer [arrow] via GitHub
• 2026/02/11 [I] [C++] Deprecate Feather reader and writer [arrow] via GitHub
• 2026/02/11 [I] [C++] Fix abort when reading IPC file with a union validity bitmap and pre-buffering enabled [arrow] via GitHub
• 2026/02/11 Re: [I] [Doc] Cannot switch to doc for Arrow 1.0 [arrow] via GitHub
• 2026/02/11 [I] [Python] Deprecate `pyarrow.gandiva` [arrow] via GitHub
• 2026/02/11 Re: [I] [C++][Parquet] Key-value metadata is not preserved in the sub-fields of map type [arrow] via GitHub
• 2026/02/11 [I] [Ruby] Add support for writing dictinary delta for primitive dictionary [arrow] via GitHub
• 2026/02/11 Re: [I] [Python] Arrow to Python list (to_pylist) conversion is slow [arrow] via GitHub
• 2026/02/11 Re: [I] [Python] Efficient "row accessor" for a pyarrow RecordBatch / Table [arrow] via GitHub
• 2026/02/11 Re: [I] [C++][Dataset] Refactor InMemoryDataset to inherit FragmentDataset [arrow] via GitHub

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