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2026/02/18 Re: [I] [C++] Check for duplicate buffers in IPC writer [arrow] via GitHub
2026/02/18 Re: [I] Memory leak using pyarrow.Table and to_pandas method [arrow] via GitHub
2026/02/18 Re: [PR] WIP: [R] Verify CRAN release 23.0.1 [arrow] via GitHub
2026/02/18 Re: [I] [PYTHON] Add `nan_count` to `RowGroupMetaData` [arrow] via GitHub
2026/02/18 Re: [I] Preserve unit from Pandas timestamp when creating arrow scalar [arrow] via GitHub
2026/02/18 Re: [I] [Release] Improve post-11-bump-versions.sh to avoid possible stray commits to reaching main [arrow] via GitHub
2026/02/18 Re: [I] [C++] Support linking to libcurl statically [arrow] via GitHub
2026/02/18 Re: [I] [Ruby][Parquet] Implement the bindings of parquet::ReaderProperties [arrow] via GitHub
2026/02/18 Re: [I] [R][C++] Calling bucket$ls on GCS bucket without `recursive = TRUE` doesn't list full contents [arrow] via GitHub
2026/02/18 Re: [I] [C++] [Parquet] StreamWriter should support writing nanosecond timestamps [arrow] via GitHub
2026/02/18 Re: [I] [Packaging][Release] Reduce disk requirements for linux packaging jobs [arrow] via GitHub
2026/02/18 Re: [I] [C++] Add run-end-encoding benchmark [arrow] via GitHub
2026/02/18 Re: [I] [Release][CI] Improve versions used on jobs executed on maintenance branch [arrow] via GitHub
2026/02/18 Re: [I] [C++][CI] Enable CMAKE_UNITY_BUILD on more debug builds [arrow] via GitHub
2026/02/18 Re: [I] [CI] Refactor ccache steps into reusable action [arrow] via GitHub
2026/02/18 Re: [I] [R] Consider using the `patrick` package to reduce duplicate test cases [arrow] via GitHub
2026/02/18 Re: [I] [C++][Compute] Function 'utf8_trim' has no kernel matching input types (dictionary<values=string, indices=int64, ordered=0>) [arrow] via GitHub
2026/02/18 Re: [I] [R] Developer setup guides need more context on SSL versions [arrow] via GitHub
2026/02/18 [PR] WIP: [R] Verify CRAN release 23.0.1 [arrow] via GitHub
2026/02/18 Re: [I] [Python] Support pandas dtype_backend=pyarrow in to_pandas [arrow] via GitHub
2026/02/18 Re: [I] [R][C++] Support upcasting NULL columns in Dataset CSV reader [arrow] via GitHub
2026/02/18 Re: [I] [C++] MemoryPool::Allocate returns an error when the user provides small values for alignment [arrow] via GitHub
2026/02/18 Re: [I] [C++] Can InputType support nested types in the future? [arrow] via GitHub
2026/02/18 Re: [I] [C++] Enable alignment checks in UBSAN [arrow] via GitHub
2026/02/18 Re: [I] [R] Implement binding for cut() [arrow] via GitHub
2026/02/18 Re: [I] [C++][Parquet] Should we support PARQUET_2_8 version? [arrow] via GitHub
2026/02/18 Re: [I] [Python] Add from_numpy_ndarray and to_numpy_ndarray to ListArray types [arrow] via GitHub
2026/02/18 Re: [I] [Python] Convert multidimensional arrays into FixedShapeTensorArrays automatically in `pyarrow.array` [arrow] via GitHub
2026/02/18 Re: [I] [Python][Documentation] Clarify language around use_deprecated_int96_timestamps [arrow] via GitHub
2026/02/18 Re: [I] [MATLAB] Add test verifying `arrow.array.<Type>Array` constructors accept all supported dimensions: `Nx1`, `1xM`, `1x0`, `0x1`, `0x0` [arrow] via GitHub
2026/02/18 Re: [I] [R] Expose AWS SDK retry strategies to s3_bucket/S3FileSystem [arrow] via GitHub
2026/02/18 Re: [I] [Python] Fixed size lists of numeric types without nulls could be converted to numpy with zero-copy [arrow] via GitHub
2026/02/18 Re: [I] [Java] JDBC Flight Stream Result Set asynchronous VectorSchemaRoot Producer [arrow] via GitHub
2026/02/18 Re: [I] [C++] Allow safe cast from int64 to float64 in compute kernel for numerics that can be accurately represented above 2^53 [arrow] via GitHub
2026/02/18 Re: [I] [R] Implement summary.ArrowTabular/Dataset [arrow] via GitHub
2026/02/18 Re: [I] [R] Split out the docs for our R6 objects from the user-facing APIs [arrow] via GitHub
2026/02/18 Re: [I] [C#] Make BitUtility class internal [arrow] via GitHub
2026/02/18 Re: [I] [C++] Refactor debug-logging facilities in `AsofJoinNode` [arrow] via GitHub
2026/02/18 Re: [I] [GLib] Add GArrowFixedShapeTensorArray [arrow] via GitHub
2026/02/18 Re: [I] [R][CI] Bump the R versions we test to include 4.3 [arrow] via GitHub
2026/02/18 Re: [I] [MATLAB] Use Arrow::arrow_shared instead of arrow_shared for ExternalProject_Add()-ed Apache Arrow C++ [arrow] via GitHub
2026/02/18 Re: [I] [R][C++] Upcasting from int32 to int64 when joining two tables [arrow] via GitHub
2026/02/18 Re: [I] [Python] Filter on `__row_index` [arrow] via GitHub
2026/02/18 Re: [PR] GH-49325: [C++] Check if YMM register saving is OS enabled [arrow] via GitHub
2026/02/18 Re: [I] [C++] OrderBy with spillover [arrow] via GitHub
2026/02/18 Re: [I] [Python] Pyarrow table conversion from pandas fails for categorical fields with arrow dtypes [arrow] via GitHub
2026/02/18 Re: [I] [Docs][C++] Add warning to the "Building on Windows" documentation for the Arrow C++ libraries about potential MSVC Runtime compatibility issues with `Debug` builds [arrow] via GitHub
2026/02/18 Re: [I] [MATLAB] Consider lowering the minimum CMake version requirement for building the MATLAB interface [arrow] via GitHub
2026/02/18 Re: [I] [CI][C++] Add clang-tidy and IWYU C++ CI jobs [arrow] via GitHub
2026/02/18 Re: [I] [C++] Simplify "FileFormat options" vs. "Fragment scan/write options" [arrow] via GitHub
2026/02/18 Re: [PR] GH-49325: [C++] Check if YMM register saving is OS enabled [arrow] via GitHub
2026/02/18 Re: [I] Add a type alias for `pa.dictionary(pa.int32(), pa.string())` [arrow] via GitHub
2026/02/18 Re: [I] [Python] `flight.Location(Location)` should be a no-op [arrow] via GitHub
2026/02/18 Re: [I] [C++] Add versions of IsNull/IsValid that take an ArrowType tparam so implementation can be statically dispatched [arrow] via GitHub
2026/02/18 Re: [I] [R][C++] Let the JSON reader accept a document which is an array at top level in addition to line delimited JSON [arrow] via GitHub
2026/02/18 Re: [I] [R] write_parquet expose similar options as python parquet.write_table ? [arrow] via GitHub
2026/02/18 Re: [I] [C++][Dev] JNI code is not linted/formatted [arrow] via GitHub
2026/02/18 Re: [I] [Python] Allow `pyarrow.compute.cast` to coerce errors to null values [arrow] via GitHub
2026/02/18 Re: [I] [R] Improve interface for working with schemas [arrow] via GitHub
2026/02/18 Re: [I] [C++] Non-deterministic FetchNode [arrow] via GitHub
2026/02/18 Re: [I] Relax pyarrow.compute.is_in type requirement [arrow] via GitHub
2026/02/18 Re: [I] [C++] Should all vendored libraries be in private namespaces? [arrow] via GitHub
2026/02/18 Re: [I] [R][Doc] Remove discussion of Scanner from vignettes [arrow] via GitHub
2026/02/18 Re: [I] [Python] Bindings for FixedShapeTensorType.FromTensor/ToTensor and FixedShapeTensorArray.strides [arrow] via GitHub
2026/02/18 Re: [I] [Python] Provide a way to restore a schema from its string representation [arrow] via GitHub
2026/02/18 Re: [I] [C++][Python] Allow utf8_slice_codeunits to support default start value of None to support strings of different length [arrow] via GitHub
2026/02/18 Re: [I] [C++] Mechanism for throttling remote filesystems to avoid rate limiting [arrow] via GitHub
2026/02/18 Re: [I] [Python][Docs] Update/rearrange Data Types section and add FixedShapeTensorType [arrow] via GitHub
2026/02/18 Re: [I] [R] Improve configure script for contributor experience [arrow] via GitHub
2026/02/18 Re: [I] [R] Add an argument to `open_csv_dataset()` to repair duplicated column names or ignore them? [arrow] via GitHub
2026/02/18 Re: [I] [C++]: Support tail in FetchNode [arrow] via GitHub
2026/02/18 Re: [I] [C++] utf8_slice_codeunits doesn't support stop/step array type [arrow] via GitHub
2026/02/18 Re: [I] [R] What should compute look like in an R minimal build? [arrow] via GitHub
2026/02/18 Re: [I] [C++][Gandiva] Support function for average [arrow] via GitHub
2026/02/18 Re: [I] [C++][Gandiva] Support function for round with rounding modes [arrow] via GitHub
2026/02/18 Re: [I] [C++][Gandiva] Support function for current timestamp [arrow] via GitHub
2026/02/18 Re: [I] [C++] Expand test coverage for FieldPath and FieldRef Get/Find methods [arrow] via GitHub
2026/02/18 Re: [I] [R] Modernize error handling [arrow] via GitHub
2026/02/18 Re: [I] [C++][Python] Parity between `Dataset`, `Table`, and `Scanner` methods which load data: `sort_by`, `join`. [arrow] via GitHub
2026/02/18 Re: [I] [C++] Simplified header/inclusion in Acero substrait consumer introduced by segmented aggregation [arrow] via GitHub
2026/02/18 Re: [I] [R] write_* methods can't have socketConnection as a sink [arrow] via GitHub
2026/02/18 Re: [I] [R] Create feature to read in specific nested columns in Newline-delimited JSON file [arrow] via GitHub
2026/02/18 Re: [I] Cast kernel between int32, date and string for partition columns [arrow] via GitHub
2026/02/18 Re: [I] [CI] Evaluate new GHA backend for sccache [arrow] via GitHub
2026/02/18 Re: [I] [C++] Utilities to estimate average (de)serialized row size [arrow] via GitHub
2026/02/18 Re: [I] [C++][Parquet] Decoder: support more DecodeArrow with nulls for `DeltaBitPack` and other decoder [arrow] via GitHub
2026/02/18 Re: [I] Support separate null_values per column in pyarrow.csv.ConvertOptions [arrow] via GitHub
2026/02/18 Re: [I] [C++][Gandiva] Support functions for average, current timestamp, round with rounding modes [arrow] via GitHub
2026/02/18 Re: [I] [C++] Add ToStringExtra to scan2 node. [arrow] via GitHub
2026/02/18 Re: [I] [R][CI] Bump the R versions we test to include 4.3 [arrow] via GitHub
2026/02/18 Re: [I] DOC: to_pylist returns a pandas.Timestamp instead of datetime.datetime when the type is timestamp[ns] [arrow] via GitHub
2026/02/18 Re: [I] [C++][FlightRPC] Flight SQL: make it easier for servers to handle unrecognized messages [arrow] via GitHub
2026/02/18 Re: [I] [C++] 'arrow::Compression::type' naming conflicts occur easily [arrow] via GitHub
2026/02/18 Re: [I] [Docs][FlightRPC] Document Flight error status mappings [arrow] via GitHub
2026/02/18 Re: [I] [Python] Recognize and unwrap fsspec's ArrowFSWrapper in IO functions [arrow] via GitHub
2026/02/18 Re: [I] [Compute] Output preallocation for kernels producing structs [arrow] via GitHub
2026/02/18 Re: [I] [Python] Add support for "is" and "is not" to `pyarrow.parquet.filters_to_expression` [arrow] via GitHub
2026/02/18 Re: [I] [Python] Add pyarrow.TableGroupBy() subtables [arrow] via GitHub
2026/02/18 Re: [I] [Format][FlightRPC] Transfer FlightData in pieces [arrow] via GitHub
2026/02/18 Re: [I] [C++] Optimize ordered aggregation [arrow] via GitHub
2026/02/18 Re: [I] [C++] Split arrow::FileReader::ReadRowGroups() to 2 methods for flexible async IO [arrow] via GitHub
2026/02/18 Re: [I] [C++][Python] A metadata standard for sorted datasets. [arrow] via GitHub
2026/02/18 Re: [I] [C++] Printing unicode characters can be confusing [arrow] via GitHub
2026/02/18 Re: [I] [Python] Expose gRPC cancel to FlightStreamWriter [arrow] via GitHub
2026/02/18 Re: [I] [C++] Accumulation for segmented aggregation [arrow] via GitHub
2026/02/18 Re: [I] [C++] Options for handling non-decomposable aggregate functions [arrow] via GitHub
2026/02/18 Re: [I] [R][Docs] Improve docs for read_csv_arrow's usage [arrow] via GitHub
2026/02/18 Re: [I] [C++] Add support for SingularOrList expressions from Substrait [arrow] via GitHub
2026/02/18 Re: [I] [C++] Avoid producing run-end encoded arrays with runs that have a length longer than INT_MAX [arrow] via GitHub
2026/02/18 Re: [I] [C++][Python] Pass extra kwargs to S3 Pyarrow Filesystem [arrow] via GitHub
2026/02/18 Re: [I] [C++] Add an end-to-end fuzz test for the new scan node [arrow] via GitHub
2026/02/18 Re: [I] [C++] Pass function registry to dataset operations [arrow] via GitHub
2026/02/18 Re: [I] [Java][Doc] Documentation for Java Substrait Consumer [arrow] via GitHub
2026/02/18 Re: [I] [Python] [Flight] Arrow Flight Server tells which line fails in Python [arrow] via GitHub
2026/02/18 Re: [I] Finish basic Run-End Encoded arrays support in C++ [arrow] via GitHub
2026/02/18 Re: [I] [Python] Skip PyArrow tests when a testing component is not installed [arrow] via GitHub
2026/02/18 Re: [I] [C++] Add ability to test if an expression is bound to a given schema / registry [arrow] via GitHub
2026/02/18 Re: [I] [Python] Expose more metadata in pyarrow.parquet.ParquetFile.metadata [arrow] via GitHub
2026/02/18 Re: [I] [C++][Python] Allow pyarrow.compute.mode to include null count [arrow] via GitHub
2026/02/18 Re: [I] [C++][Python] Binary search for sorted tables. [arrow] via GitHub
2026/02/18 Re: [I] [CI] Use artifactory mirror for bundled dependencies in CI job [arrow] via GitHub
2026/02/18 Re: [I] [Dev] Add script to keep artifactory mirror of bundled dependencies in sync [arrow] via GitHub
2026/02/18 Re: [I] [C++] Allow building against an installed flatbuffers library [arrow] via GitHub
2026/02/18 Re: [I] Extract partition list from pyarrow.dataset.ParquetFileFragment object [arrow] via GitHub
2026/02/18 Re: [I] [FlightRPC][C++] Support implementing simple endpoints with async API [arrow] via GitHub
2026/02/18 Re: [I] [R] Compute lagged or leading values [arrow] via GitHub
2026/02/18 Re: [I] [C++] Parallel asof join node [arrow] via GitHub
2026/02/18 Re: [I] [Dev][Release] Add all bundled dependencies to artifactory mirror [arrow] via GitHub
2026/02/18 Re: [I] [Python] Expose nested function registries [arrow] via GitHub
2026/02/18 Re: [I] [C++] Allow converting strings to dates without using datetimes as an intermediate step [arrow] via GitHub
2026/02/18 Re: [I] [C++][Gandiva] Extend cast operators for int8 [arrow] via GitHub
2026/02/18 Re: [I] [Python][C++] Support CSV compression in write_dataset [arrow] via GitHub
2026/02/18 Re: [I] [C++] Expose Arrow's plan execution helpers (Finishes, ResultWith) [arrow] via GitHub
2026/02/18 Re: [I] [C++][Parquet] Parquet Fuzzing Enhancement [arrow] via GitHub
2026/02/18 Re: [I] [C++] Implement "mode" kernel for string (binary) types [arrow] via GitHub
2026/02/18 Re: [I] [C++][Gandiva] Provide common transcendental / bitwise operations [arrow] via GitHub
2026/02/18 Re: [I] [C++] Iteratively fix memory pool passdown and enable memory benchmarks [arrow] via GitHub
2026/02/18 Re: [I] [C++] rvalue lhs cannot be moved into returned value in Status::operator& [arrow] via GitHub
2026/02/18 Re: [I] [Python] Add client CookieMiddleware to pyarrow [arrow] via GitHub
2026/02/18 Re: [I] [Python] Custom Python type/array subclasses for ExtensionTypes implemented in C++ [arrow] via GitHub
2026/02/18 Re: [I] [R] Handle "unmatched" argument in joins [arrow] via GitHub
2026/02/18 Re: [PR] Avoid allocating a `Vec` in `StructBuilder` [arrow-rs] via GitHub
2026/02/18 Re: [I] [Python][Rust] Create extension point in python for Dataset/Scanner [arrow] via GitHub
2026/02/18 Re: [I] [C++] Create the first binary aggregate function kernel to serve as an example for other implementations [arrow] via GitHub
2026/02/18 Re: [I] [C++] Support Temporal Extraction Functions for duration types [arrow] via GitHub
2026/02/18 Re: [I] [Python] Add low-level pyarrow bindings for Acero [arrow] via GitHub
2026/02/18 Re: [I] [R] Map `cov()` and `cor()` to new covariance kernel [arrow] via GitHub
2026/02/18 Re: [I] [C++] Support FnOnce in ThreadPool::Submit [arrow] via GitHub
2026/02/18 Re: [I] [Python] support min/max/sum for duration dtypes [arrow] via GitHub
2026/02/18 Re: [I] [Python][C++] Add controls to disable metadata caching in datasets [arrow] via GitHub
2026/02/18 Re: [I] [C++] Test for alignment issues [arrow] via GitHub
2026/02/18 Re: [I] [C++] Improve compression strategy in IPC, Parquet [arrow] via GitHub
2026/02/18 Re: [I] Add/improve tracing in the dataset writer [arrow] via GitHub
2026/02/18 Re: [I] [C++] [Python] Test user-defined tables in an execution plan [arrow] via GitHub
2026/02/18 Re: [I] [C++] Use DeserializePlan instead of DeserializePlans in Substrait Testing [arrow] via GitHub
2026/02/18 Re: [I] [C++] [Python] Make a user-defined table from a generator [arrow] via GitHub
2026/02/18 Re: [I] [C++] Published new library panda-apache [arrow] via GitHub
2026/02/18 Re: [I] [Python] Don't raise in integer division by zero [arrow] via GitHub
2026/02/18 Re: [I] [C++] Add decimal support for binary round kernel [arrow] via GitHub
2026/02/18 Re: [I] [C++] Add decimal version of Round benchmarks [arrow] via GitHub
2026/02/18 Re: [I] [C++] Support batch size in user-defined tabular functions [arrow] via GitHub
2026/02/18 Re: [I] [C++] Review and sanitize const_cast usage [arrow] via GitHub
2026/02/18 Re: [I] [C++][Python] Performant aggregating by fragments. [arrow] via GitHub
2026/02/18 Re: [I] [C++] Improve the performance of the binary round kernel [arrow] via GitHub
2026/02/18 Re: [I] [R] Bindings for list_element and list_slice [arrow] via GitHub
2026/02/18 Re: [I] [Python] Support for reading .csv files from a zip archive [arrow] via GitHub
2026/02/18 Re: [I] [Docs][Release] Add vcpkg-port update script to release magement guide [arrow] via GitHub
2026/02/18 Re: [I] [C++][Python] Support parsing a StringArray full of JSON to a Table [arrow] via GitHub
2026/02/18 Re: [I] [C++] Flag const_cast usage when linting [arrow] via GitHub
2026/02/18 Re: [I] [C++][Python] Fully support special fields in `Scanner`. [arrow] via GitHub
2026/02/18 Re: [I] [Python][Doc] Enable remainder of discussed numpydoc checks [arrow] via GitHub
2026/02/18 Re: [I] [Python] Add cross tabulation for pyarrow.Table [arrow] via GitHub
2026/02/18 Re: [I] [Parquet Decimal] Do we has any plan to support short decimal layout, such as decimal64? [arrow] via GitHub
2026/02/18 Re: [I] [R] Support making FieldRef from integer [arrow] via GitHub
2026/02/18 Re: [I] [C++][Parquet] Add WriteRecordBatchAsync to parquet writer [arrow] via GitHub
2026/02/18 Re: [I] [C++][HDFS] Can't get performance improve when increase the thread number of IO thread pool [arrow] via GitHub
2026/02/18 Re: [I] [C++] Improve arrow::fs::FileSelect performance for `IsFile()` and `IsDirectory()` [arrow] via GitHub
2026/02/18 Re: [I] Misleading message when loading parquet data with invalid null data [arrow] via GitHub
2026/02/18 Re: [I] [C++][Python] Optimize aggregate functions to work with batches. [arrow] via GitHub
2026/02/18 Re: [I] [C++] Provide enum reflection utility [arrow] via GitHub
2026/02/18 Re: [I] [Release] Add a post script to generate announce email [arrow] via GitHub
2026/02/18 Re: [I] [C++] Add nightly test that uses an older version of protoc [arrow] via GitHub
2026/02/18 Re: [I] [Docs][R] Include warning when viewing old docs (redirecting to stable docs) [arrow] via GitHub
2026/02/18 Re: [I] [C++] Expose Arrow's *FromJson, Assertion and Random generator helper functions [arrow] via GitHub
2026/02/18 Re: [I] [C++] Support nested references as segment ids [arrow] via GitHub
2026/02/18 Re: [I] [Python] Expose grouping segment keys to PyArrow [arrow] via GitHub
2026/02/18 Re: [I] [Parquet][C++] Accelerate bit-packing decoding with AVX-512 [arrow] via GitHub
2026/02/18 Re: [I] [R] Datasets API interface improvements [arrow] via GitHub
2026/02/18 Re: [I] PrettyPrint Improvements [arrow] via GitHub
2026/02/18 Re: [I] [C++] Hook up cancellation to exec plan [arrow] via GitHub
2026/02/18 Re: [I] [Python] Dataset writer API papercuts [arrow] via GitHub
2026/02/18 Re: [I] [C++] Use input pre-sortedness to create concatenated sorted table [arrow] via GitHub
2026/02/18 Re: [I] [C++] Slash character in partition value handling in Directory and filename partitioning [arrow] via GitHub
2026/02/18 Re: [I] [C++] Remove legacy scanner code where possible [arrow] via GitHub
2026/02/18 Re: [I] [C++] Optimize output sizes in segmented aggregation [arrow] via GitHub
2026/02/18 Re: [I] [R] Update Arrow for R cheatsheet to include GCS [arrow] via GitHub
2026/02/18 Re: [I] [R] Test quarter-year parser with trailing zeroes in the year when values are numeric [arrow] via GitHub
2026/02/18 Re: [I] Avoid allocating a `Vec` in `StructBuilder` [arrow-rs] via GitHub
2026/02/18 Re: [I] [Python] Allow custom reader/writer implementation for arrow dataset read/write path [arrow] via GitHub
2026/02/18 Re: [I] [R] read_csv_arrow() Improvements [arrow] via GitHub