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• 2026/02/18 Re: [I] Built-in GRPC health checks in FlightServerBase [arrow] via GitHub
• 2026/02/18 Re: [I] Writing Arrow Files using C#. [arrow] via GitHub
• 2026/02/18 Re: [I] [Packaging][Conan] Add back ARROW_GCS to conanfile.py [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Python] Allow an ExtensionType to register or implement custom casts [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Stabilize Parquet ArrowReaderProperties [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] ExtensionArray.__getitem__ is not called if called from StructArray [arrow] via GitHub
• 2026/02/18 Re: [I] [c++][compute]Is there any other way to use Join besides Acero？ [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Docs] Improve C++ Cookbook [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] Improve parquet reading performance for String/Binary type based on Buffer operations instead of BinaryArrayBuilder [arrow] via GitHub
• 2026/02/18 Re: [I] Implement zip() [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Add ordering information to exec batches [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Simultaneous read-write operations causing file corruption. [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Implement arithmetic kernels on List(number) [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Improve error message when all values in a column are null in a parquet partition [arrow] via GitHub
• 2026/02/18 Re: [I] [Website] Add Zulip details to the Communication page [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] AsofJoinNode 128-bit hashing [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Add link to cookbook from README (getting started vignette) [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Gandiva] Support int64 seed for udf random. [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Expose jemalloc statistics for logging [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Gandiva] Add parser frontend for Gandiva [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Pre-render vignettes [arrow] via GitHub
• 2026/02/18 Re: [I] [Dev][CI] Add overview of all tasks (including passing) on crossbow dashboard [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Acero] Window Functions add helper classes for frame calculation [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Add ScanOptions to support projection and filter in ToProto Read [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Allow Bazel to pass custom __DATE__, __TIME__, and __TIMESTAMP__ flags to Arrow's toolchain [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Streamline some C++ calls [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Order-aware non-sink Fetch Node [arrow] via GitHub
• 2026/02/18 Re: [I] Relax / extend type checking for pyarrow array creation [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Acero] Window Functions add helper classes for ranking [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Add binding for random() function [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] ReadRangeCache should not retain data after read [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Refactor build_expr and eval_array_expression to remove special casing [arrow] via GitHub
• 2026/02/18 Re: [I] [Dev] Refactor custom cmake functions into proper modules [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] FieldRef::FindAll/FindOne(DataType) improve error [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] Optimize DELTA_BINARY_PACKED encoding and decoding [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Scanner slicing large row groups leads to inefficient RAM usage [arrow] via GitHub
• 2026/02/18 Re: [I] [Gandiva][Dev] Check version of OpenSSL for Gandiva [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Rename read_ipc_file to read_arrow_file & highlight arrow over feather [arrow] via GitHub
• 2026/02/18 Re: [I] [R][Docs] Add docs on what dplyr + tidyverse functionality we support [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Add opaque device id identification to InputStream [arrow] via GitHub
• 2026/02/18 Re: [I] [CI][Python][Conda] Can't load Gandiva on macOS [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Allow all cast options to be specified [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Feature request: add support for saving row names [arrow] via GitHub
• 2026/02/18 Re: [I] [R] [Docs] [CI] Investigate if we can auto generate Rd files in CI [arrow] via GitHub
• 2026/02/18 Re: [I] [Python][Packaging] Wrong ARROW_SIMD_LEVEL=SSE4_2 on arm64 macOS wheels [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] Support Decimal from Int32/Int64 in StatisticsAsScalars [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] Speed up Parquet Writing? [arrow] via GitHub
• 2026/02/18 Re: [I] [GLib][Dataset] Add GADatasetFilenamePartitioning [arrow] via GitHub
• 2026/02/18 Re: [I] [R][CI] Add GitHub PAT to jobs that are reaching limit [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Raise IndexError when pa.Schema.get_field_index fails [arrow] via GitHub
• 2026/02/18 Re: [I] [Parquet] Support for writing binary column in stream writer in Parquet [arrow] via GitHub
• 2026/02/18 Re: [I] [Parquet][C++] More elaborate dictionary fallback for Parquet 2.0 [arrow] via GitHub
• 2026/02/18 Re: [I] [Documentation] Provide guidance to contributors on getting reviews [arrow] via GitHub
• 2026/02/18 Re: [I] Provide a `BinaryBuilder::AppendValues(const std::vector<std::vector<uint8_t>>&)` overload [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Add pyarrow.TableGroupBy.groups method [arrow] via GitHub
• 2026/02/18 Re: [I] Would it be possible to include cmake export targets in pyarrow wheel file? [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Add an option for the order by node to be stable [arrow] via GitHub
• 2026/02/18 Re: [I] [CI] Create suggestions comments in lint job [arrow] via GitHub
• 2026/02/18 Re: [I] [CI][conda] don't build pyarrow in r-jobs [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Document asof join [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Add pa.tuple_ DataType [arrow] via GitHub
• 2026/02/18 Re: [I] [Release] Use GitHub API token in download_rc_binaries.py where available [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Weighted stat aggregations in arrow-compute [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][CMake] Use cpp/src/arrow/util/config.h.cmake instead of add_defintions() for ARROW_WITH_${COMPRESESION} [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Add a pyarrow.Table.aggregate function to compute aggregates against the whole table [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Simplify ExecNode contract by removing the concept of "node finished" [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Enable Substrait ReadRel Projection in Acero [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Refactor string matching kernel to be usable outside of compute [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Add optional "always_transfer" parameter to MakeTransferredGenerator [arrow] via GitHub
• 2026/02/18 Re: [I] [Dev] Zulip streams for GitHub issues [arrow] via GitHub
• 2026/02/18 Re: [I] UnionArray.type_codes is never null [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Enable integrity check on S3 upload [arrow] via GitHub
• 2026/02/18 Re: [I] [Dev] PR title check linter checkes "[COMPONENT]" existence [arrow] via GitHub
• 2026/02/18 Re: [I] [Dev] Add tests for GitHub issues on merge script [arrow] via GitHub
• 2026/02/18 Re: [I] [Archery] Use gh cli for artifact management [arrow] via GitHub
• 2026/02/18 Re: [I] [Dev] Add dependabot configuration to remove duplicated labels [arrow] via GitHub
• 2026/02/18 Re: [I] [R] pkgdown site improvements [arrow] via GitHub
• 2026/02/18 [I] Add GenericByteViewArray::total_bytes_len() to sum all string lengths [arrow-rs] via GitHub
• 2026/02/18 Re: [I] [Benchmarking][R] conbench is failing [arrow] via GitHub
• 2026/02/18 Re: [PR] Avoid allocating a `Vec` in `StructBuilder` [arrow-rs] via GitHub
• 2026/02/18 Re: [I] Avoid allocating a `Vec` in `StructBuilder` [arrow-rs] via GitHub
• 2026/02/18 Re: [I] [C++] Segmentation fault in pyarrow.compute.if_else: arguments have string type but the result only fits in large_string type [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Native result set adapter for PostgreSQL / libpq [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Native client interface to SQL Server / TDS protocol [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Disable ASAN when building io-hdfs-test.cc [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Appending to streamable table file format doesn't seem to work [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Native client interface to Clickhouse [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Update the documentation about Schema & Metadata usage [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Support LTO for R [arrow] via GitHub
• 2026/02/18 Re: [PR] fix: fixed trait functions clash get_date_time_part_extract_fn (#8221) [arrow-rs] via GitHub
• 2026/02/18 Re: [I] [C++] Enable copy free conversion for dictionary encoded string column in ORC adapter [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Native database client for MariaDB / MySQL client protocol [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] parquet::arrow::FileReader::GetRecordBatchReader may not iterate through chunked columns completely [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Reading Parquet file crashes on windows - python3.8 [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][ORC] Enable copy free conversion for primitive types [arrow] via GitHub
• 2026/02/18 Re: [I] [Python][C++] MemoryPool is destructed before deallocating its buffers leads to segfault [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] pyarrow deserialize return datetime.datetime [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Lose access to indices & dictionary roundtripping DictionaryArray to parquet file [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Manual dataset with timestamp partition type error [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Python] Behavior of parquet.read_table with filter and parquets containing null [arrow] via GitHub
• 2026/02/18 Re: [I] [R] If pkg-config finds arrow on default search path, we don't know if it was built with ARROW_S3 [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Python] Python compute kernel tests assume C++ is built with utf8proc [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] pyarrow2.0.0 flight test crash on macOS [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Micro-optimize integer parsing [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Getting reference not found with ORC enabled pyarrow [arrow] via GitHub
• 2026/02/18 Re: [I] [Python][Packaging] Fix Homebrew Install Python 3 NumPy not found failure [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] Timestamp ColumnDescriptor (from logical type) incorrectly showing ConvertedType as NONE [arrow] via GitHub
• 2026/02/18 Re: [I] [Integration] Enable Arrow to read Parquet files from Spark 2.x with illegal nulls [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Parquet reader cannot read large strings [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Compute] Overhaul CanCast() helper function [arrow] via GitHub
• 2026/02/18 Re: [I] Out-of-heap memory leaks in FlightClient.getStream [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Compilation failure in arrow/scalar.cc on Xcode 8.3.3 [arrow] via GitHub
• 2026/02/18 Re: [I] [Website] Write blog post about C++ endianness compatibility [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Dict index type ALWAYS gets coerced to int32 when saving to parquet [arrow] via GitHub
• 2026/02/18 Re: [I] PyArrow unable to read file with large string values [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Initial table.take(...) call takes much longer [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] CSV streaming reader doesn't handle cancellation correctly [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] arrow-threading-utility-test takes a long time [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Build fails if dataset enabled but parquet is not [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] StatisticsAsScalars doesn't support Decimal conversion for int primitives [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] Root message of parquet may contain repetition [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] [Parquet] Primitive types have defined num_children [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] [Python] Python tests fail if compiled with glog [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] C++ IPC reading looks like it doesn't support uncompressed buffer convention for compressed buffers [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Gandiva] Performance issue for TreeExprBuilder::MakeIf when nested plenty times. [arrow] via GitHub
• 2026/02/18 Re: [I] [Doc] Update crossbow docs for archery [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Writing to Parquet from tibble Consumes Large Amount of Memory [arrow] via GitHub
• 2026/02/18 Re: [I] [Python][C++] S3FileSystem with proxy_options is very slow on Windows [arrow] via GitHub
• 2026/02/18 Re: [I] [Python][C++] pa.total_allocated_bytes incorrect after switching the default allocator [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] TypeError when accessing length of an invalid ListScalar [arrow] via GitHub
• 2026/02/18 Re: [I] RecordBatchBuilder with uint dictionary creates signed int Batch [arrow] via GitHub
• 2026/02/18 Re: [I] OSError: Invalid IPC stream: negative continuation token [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] StructScalar Timestamp using .to_pandas() loses/converts type [arrow] via GitHub
• 2026/02/18 Re: [I] [Documentation] SEO tags confused for some pages [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] bool value of scalars depends on data type [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Warning when compiling on ubunut 21.04 [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Non-nullable schema fields not checked in Table.from_pydict [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] ArrowLog with FATAL level is not robust if running in the service [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Thread pool leaks memory when forking (and could maybe deadlock) if threads exist at the time of fork [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] HadoopFileSystem crash when called twice and Java was misconfigured [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] StructArray ToString method doesn't print field names [arrow] via GitHub
• 2026/02/18 Re: [I] [CI] [C++] TestToDateHolder test error [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Bump AWS SDK versions in ThirdpartyToolchain to build on GCC11 [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] StreamReader.SkipColumns slow [arrow] via GitHub
• 2026/02/18 Re: [I] [Dev] r_valgrind image doesn't use full parallelism [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Breaking API change in FSSpecHandler, requires metadata argument [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Add DataType.to_numpy_dtype (equivalent of to_pandas_dtype, but for numpy) [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] Reading dict pages is not reading all values? [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Tests maybe uninitialized compiler warnings [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] [Python] Dictionary equality not correct? [arrow] via GitHub
• 2026/02/18 Re: [I] Shared libraries linker error when using clang, C++ 20, and ld [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Add async version of the ORC Dataset scanner [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Inconsistent handling of integer-valued partitions in dataset filters API [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] ThreadIndexer occasionally fails in CI with "Check failed: (thread_index) < (Capacity())" [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Python] Generated argument description for compute meta-functions not accurate [arrow] via GitHub
• 2026/02/18 Re: [I] [Docs] Incorrect contact email in Github [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Bindings for stringr::str_extract/str_extract_all ~ "extract_regex" kernel [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Compute] Implicit cast should verify decimal precision [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] TSAN error in ExecPlanExecution.SelfInnerHashJoinSink [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] Incremental decoding not tested [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Allow counting sort to work with indirect indexing [arrow] via GitHub
• 2026/02/18 Re: [I] Cannot convert pd.DataFrame with complex128 cells to pa.Table [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Improve array size estimation to account for shared buffers [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] S3FileSystem enable automatic temporary credential refreshing for AWS Instance Profile [arrow] via GitHub
• 2026/02/18 Re: [I] NumpyBuffer computes size incorrectly for non-contiguous arrays [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Improve the R-only development guide [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] [Python] Does a sliced StructArray roundtrip on c data interface? [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Use oldest-supported-numpy for declaring numpy version build dependency [arrow] via GitHub
• 2026/02/18 Re: [I] [C data interface] Clarify that buffers must only be accessed past the offset [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Support multiplying Arrays by R vectors and scalar value recycling [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Add to the developer guide a section about depending on Arrow [arrow] via GitHub
• 2026/02/18 Re: [I] [Dev][Archery] Generate contribution statistics using archery [arrow] via GitHub
• 2026/02/18 Re: [I] ParquetFile.read_row_group looses struct nullability when selecting one column from a struct [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] Non-deterministic Segfault with Pyarrow [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] FileMetaData returned by ParquetFileWriter::metadata() has wrong size [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Convert Decimal128 arrays to Decimal256 when we have precision out of range error [arrow] via GitHub
• 2026/02/18 Re: [I] [R] [CI] Consider installing release from our repo + RSPM [arrow] via GitHub
• 2026/02/18 Re: [I] [R][C++] Reporting progress from copy_files()? [arrow] via GitHub
• 2026/02/18 Re: [I] [Docs] Should we document external users of the C interface? [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] read_feather's "columns" argument claims to support any iterable but does not accept pandas series [arrow] via GitHub
• 2026/02/18 Re: [I] [CI] [Archery] Cmake linter should have better messages when lines are too long [arrow] via GitHub
• 2026/02/18 Re: [I] [C++] Snappy 1.1.9 fails on GCC < 4.9 [arrow] via GitHub
• 2026/02/18 Re: [I] Compilation fails with -Wshadow + -Werror [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Environment variables controlling package build makes locking down package version difficult/impossible [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] pyarrow cannot import parquet files containing row groups whose lengths exceed int32 max. [arrow] via GitHub
• 2026/02/18 Re: [I] [Python] duckdb helper functions [arrow] via GitHub
• 2026/02/18 Re: [I] [R] [CI] Enable multithreaded building when using linux-r.dockerfile [arrow] via GitHub
• 2026/02/18 Re: [I] Direct (individualized) access to definition levels, repetition levels, and numeric data of a column [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Dataset] Support Count function without projections in ORC to avoid loading all columns [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Implement bindings for stringr::boundary [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Smooth out handling of data.frame and StructScalar [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Implement bindings for stringr::str_match and stringr::str_match_all [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Implement bindings for stringr::str_locate and stringr:: str_locate_all [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Implement bindings for stringr::str_split_n [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Implement bindings for stringr::str_subset [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Implement bindings for stringr::str_wrap [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Implement bindings for stringr::str_which [arrow] via GitHub
• 2026/02/18 Re: [I] [C++][Parquet] Reading int96 timestamps out-of-bounds for ns resolution wrap around [arrow] via GitHub
• 2026/02/18 Re: [I] Partition column dissappear when reading dataset [arrow] via GitHub
• 2026/02/18 Re: [I] [R] Implement bindings for stringr::str_equal [arrow] via GitHub

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