[Website] Version 13.0.0 blog post (#382)
PR to start adding the blog post information for the Release 13.0.0
The 13.0.0 milestone with all the GitHub closed issues can be found
here:
https://github.com/apache/arrow/milestone/53?closed=1
---------
Co-authored-by: Antoine Pitrou <antoine@python.org>
Co-authored-by: Weston Pace <weston.pace@gmail.com>
Co-authored-by: David Li <li.davidm96@gmail.com>
Co-authored-by: Matt Topol <zotthewizard@gmail.com>
Co-authored-by: Alenka Frim <AlenkaF@users.noreply.github.com>
Co-authored-by: david dali susanibar arce <davi.sarces@gmail.com>
Co-authored-by: Eric Erhardt <eric.erhardt@microsoft.com>
Co-authored-by: Sutou Kouhei <kou@cozmixng.org>
Co-authored-by: Kenta Murata <3959+mrkn@users.noreply.github.com>
Co-authored-by: Nic Crane <thisisnic@gmail.com>
Co-authored-by: Dominik Moritz <domoritz@gmail.com>
Co-authored-by: Joris Van den Bossche <jorisvandenbossche@gmail.com>
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+---
+layout: post
+title: "Apache Arrow 13.0.0 Release"
+date: "2023-08-24 00:00:00"
+author: pmc
+categories: [release]
+---
+<!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements. See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License. You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+-->
+
+
+The Apache Arrow team is pleased to announce the 13.0.0 release. This covers
+over 3 months of development work and includes [**456 resolved issues**][1]
+from [**108 distinct contributors**][2]. See the [Install Page](https://arrow.apache.org/install/)
+to learn how to get the libraries for your platform.
+
+The release notes below are not exhaustive and only expose selected highlights
+of the release. Many other bugfixes and improvements have been made: we refer
+you to the [complete changelog][3].
+
+## Community
+
+Since the 12.0.0 release, Marco Neumann, Gang Wu, Mehmet Ozan Kabak and Kevin Gurney
+have been invited to be committers.
+Matt Topol, Jie Wen, Ben Baumgold and Dewey Dunnington have joined the
+Project Management Committee (PMC).
+
+Thanks for your contributions and participation in the project!
+
+## Columnar Format Notes
+
+The [run-end encoded layout](https://arrow.apache.org/docs/dev/format/Columnar.html#run-end-encoded-layout)
+has been added. This layout can allow data with long runs of duplicate values to be encoded and processed
+efficiently. Initial support has been added for [C++](https://github.com/apache/arrow/pull/14179) and
+[Go](https://github.com/apache/arrow/pull/14223).
+
+### C Device Data Interface
+
+An **experimental** new specification, the
+[C Device Data Interface](https://arrow.apache.org/docs/dev/format/CDeviceDataInterface.html),
+has been accepted for inclusion [GH-34971](https://github.com/apache/arrow/issues/34971). It builds on the existing
+C Data Interface to provide a runtime-agnostic zero-copy sharing mechanism
+for Arrow data residing on non-CPU devices.
+
+Reference implementations of the C Device Data Interface will progressively
+be added to the standard Arrow libraries after the 13.0.0 release.
+
+## Arrow Flight RPC notes
+
+Support for flagging ordered result sets to clients is now added. ([GH-34852](https://github.com/apache/arrow/issues/34852))
+
+gRPC 1.30 is now the minimum supported version in C++/Python/R/etc. ([GH-34679](https://github.com/apache/arrow/issues/36479))
+
+In C++, various methods now receive a full `ServerCallContext` ([GH-35442](https://github.com/apache/arrow/issues/35442), [GH-35377](https://github.com/apache/arrow/issues/35377)) and the context now exposes headers sent by the client ([GH-35375](https://github.com/apache/arrow/issues/35375)).
+
+## C++ notes
+
+### Building
+
+CMake 3.16 or later is now required for building Arrow C++ [GH-34921](https://github.com/apache/arrow/issues/34921).
+
+Optimizations are not disabled anymore when the `RelWithDebInfo` build type
+is selected [GH-35850](https://github.com/apache/arrow/issues/35850). Furthermore, compiler flags can now properly be
+customized per-build type using `ARROW_C_FLAGS_DEBUG`, `ARROW_CXX_FLAGS_DEBUG`
+and related variables [GH-35870](https://github.com/apache/arrow/issues/35870).
+
+### Acero
+
+Handling of unaligned buffers is input nodes can be configured programmatically
+or by setting the environment variable `ACERO_ALIGNMENT_HANDLING`. The default
+behavior is to warn when an unaligned buffer is detected [GH-35498](https://github.com/apache/arrow/issues/35498).
+
+### Compute
+
+Several new functions have been added:
+* aggregate functions "first", "last", "first_last" [GH-34911](https://github.com/apache/arrow/issues/34911);
+* vector functions "cumulative_prod", "cumulative_min", "cumulative_max" [GH-32190](https://github.com/apache/arrow/issues/32190);
+* vector function "pairwise_diff" [GH-35786](https://github.com/apache/arrow/issues/35786).
+
+Sorting now works on dictionary arrays, with a much better performance than
+the naive approach of sorting the decoded dictionary [GH-29887](https://github.com/apache/arrow/issues/29887). Sorting also
+works on struct arrays, and nested sort keys are supported using `FieldRed` [GH-33206](https://github.com/apache/arrow/issues/33206).
+
+The `check_overflow` option has been removed from `CumulativeSumOptions` as
+it was redundant with the availability of two different functions:
+"cumulative_sum" and "cumulative_sum_checked" [GH-35789](https://github.com/apache/arrow/issues/35789).
+
+Run-end encoded filters are efficiently supported [GH-35749](https://github.com/apache/arrow/issues/35749).
+
+Duration types are supported with the "is_in" and "index_in" functions [GH-36047](https://github.com/apache/arrow/issues/36047).
+They can be multiplied with all integer types [GH-36128](https://github.com/apache/arrow/issues/36128).
+
+"is_in" and "index_in" now cast their inputs more flexibly: they first attempt
+to cast the value set to the input type, then in the other direction if the
+former fails [GH-36203](https://github.com/apache/arrow/issues/36203).
+
+Multiple bugs have been fixed in "utf8_slice_codeunits" when the `stop` option
+is omitted [GH-36311](https://github.com/apache/arrow/issues/36311).
+
+### Dataset
+
+A custom schema can now be passed when writing a dataset [GH-35730](https://github.com/apache/arrow/issues/35730). The custom
+schema can alter nullability or metadata information, but is not allowed to
+change the datatypes written.
+
+### Filesystems
+
+The S3 filesystem now writes files in equal-sized chunks, for compatibility with
+Cloudflare's "R2" Storage [GH-34363](https://github.com/apache/arrow/issues/34363).
+
+A long-standing issue where S3 support could crash at shutdown because of resources
+still being alive after S3 finalization has been fixed [GH-36346](https://github.com/apache/arrow/issues/36346). Now, attempts
+to use S3 resources (such as making filesystem calls) after S3 finalization should
+result in a clean error.
+
+The GCS filesystem accepts a new option to set the project id [GH-36227](https://github.com/apache/arrow/issues/36227).
+
+### IPC
+
+Nullability and metadata information for sub-fields of map types is now preserved
+when deserializing Arrow IPC [GH-35297](https://github.com/apache/arrow/issues/35297).
+
+### Orc
+
+The Orc adapter now maps Arrow field metadata to Orc type attributes when writing,
+and vice-versa when reading [GH-35304](https://github.com/apache/arrow/issues/35304).
+
+### Parquet
+
+It is now possible to write additional metadata while a `ParquetFileWriter` is
+open [GH-34888](https://github.com/apache/arrow/issues/34888).
+
+Writing a page index can be enabled selectively per-column [GH-34949](https://github.com/apache/arrow/issues/34949).
+In addition, page header statistics are not written anymore if the page
+index is enabled for the given column [GH-34375](https://github.com/apache/arrow/issues/34375), as the information would
+be redundant and less efficiently accessed.
+
+Parquet writer properties allow specifying the sorting columns [GH-35331](https://github.com/apache/arrow/issues/35331).
+The user is responsible for ensuring that the data written to the file
+actually complies with the given sorting.
+
+CRC computation has been implemented for v2 data pages [GH-35171](https://github.com/apache/arrow/issues/35171).
+It was already implemented for v1 data pages.
+
+Writing compliant nested types is now enabled by default [GH-29781](https://github.com/apache/arrow/issues/29781). This
+should not have any negative implication.
+
+Attempting to load a subset of an Arrow extension type is now forbidden
+[GH-20385](https://github.com/apache/arrow/issues/20385). Previously, if an extension type's storage is nested (for example
+a "Point" extension type backed by a `struct<x: float64, y: float64>`),
+it was possible to load selectively some of the columns of the storage type.
+
+### Substrait
+
+Support for various functions has been added: "stddev", "variance", "first",
+"last" (GH-35247, GH-35506).
+
+Deserializing sorts is now supported [GH-32763](https://github.com/apache/arrow/issues/32763). However, some features,
+such as clustered sort direction or custom sort functions, are not
+implemented.
+
+### Miscellaneous
+
+`FieldRef` sports additional methods to get a flattened version of nested
+fields [GH-14946](https://github.com/apache/arrow/issues/14946). Compared to their non-flattened counterparts,
+the methods `GetFlattened`, `GetAllFlattened`, `GetOneFlattened` and
+`GetOneOrNoneFlattened` combine a child's null bitmap with its ancestors'
+null bitmaps such as to compute the field's overall logical validity bitmap.
+
+In other words, given the struct array `[null, {'x': null}, {'x': 5}]`,
+`FieldRef("x")::Get` might return `[0, null, 5]`
+while `FieldRef("y")::GetFlattened` will *always* return `[null, null, 5]`.
+
+`Scalar::hash()` has been fixed for sliced nested arrays [GH-35360](https://github.com/apache/arrow/issues/35360).
+
+A new floating-point to decimal conversion algorithm exhibits much better
+precision [GH-35576](https://github.com/apache/arrow/issues/35576).
+
+It is now possible to cast between scalars of different list-like types
+[GH-36309](https://github.com/apache/arrow/issues/36309).
+
+## C# notes
+
+### Enhancements
+
+* The [C Data Interface](https://arrow.apache.org/docs/format/CDataInterface.html) is now supported in the .NET Apache.Arrow library. The main entry points are `CArrowArrayImporter.ImportArray`, `CArrowArrayExporter.ExportArray`, `CArrowArrayStreamImporter.ImportArrayStream`, and `CArrowArrayStreamExporter.ExportArrayStream` in the `Apache.Arrow.C` namespace. ([GH-33856](https://github.com/apache/arrow/issues/33856), [GH-33857](https://github.com/apache/arrow/issues/33857), [GH-36120](https://github.com/apache/arrow/issues/36120), and [GH-35809](https://github.com/apache/arrow/issues/35809)).
+
+* `ArrowBuffer.BitmapBuilder` adds `Append(ReadOnlySpan<byte> source, int validBits)` and `AppendRange(bool value, int length)` to improve performance of array concatenation ([GH-32605](https://github.com/apache/arrow/issues/32605))
+
+### Bug Fixes
+
+* TotalBytes and TotalRecords are now being serialized in FlightInfo ([GH-35267](https://github.com/apache/arrow/issues/35267))
+## Go notes
+
+### Enhancements
+
+#### Arrow
+
+* Compute arithmetic functions are now available for Float16 ([GH-35162](https://github.com/apache/arrow/issues/35162))
+* Float16, Large* and Fixed types are all now supported by the CSV reader/writer ([GH-36105](https://github.com/apache/arrow/issues/36105) and [GH-36141](https://github.com/apache/arrow/issues/36141))
+* CSV Reader uses `AppendValueFromString` for extension types and properly reads empty values as null ([GH-35188](https://github.com/apache/arrow/issues/35188) and [GH-35190](https://github.com/apache/arrow/issues/35190))
+* [Substrait](https://github.com/substrait-io/substrait-go) expressions can now be executed using the Compute library ([GH-35652](https://github.com/apache/arrow/issues/35652))
+* You can now read back values from Dictionary Builders before finishing the array ([GH-35711](https://github.com/apache/arrow/issues/35711))
+* `MapType.ValueField` and `MapType.ValueType` are now deprecated in favor of `MapType.Elem().(*StructType)` ([GH-35909](https://github.com/apache/arrow/issues/35909))
+* Multiple equality functions which have been deprecated since v9 have now been removed (Such as `array.ArraySliceEqual` in favor of `array.SliceEqual`) ([GH-36198](https://github.com/apache/arrow/issues/36198))
+* `ValueStr` method on Timestamp arrays now includes the zone in the output ([GH-36568](https://github.com/apache/arrow/issues/36568))
+* *BREAKING CHANGE* `FixedSizeListBuilder.AppendNull` no longer requires manually appending nulls to the underlying list ([GH-35482](https://github.com/apache/arrow/issues/35482))
+
+#### Flight
+
+* FlightSQL driver supports non-prepared queries now ([GH-35136](https://github.com/apache/arrow/issues/35136))
+
+#### Parquet
+
+* Error messages in row group writer have been improved ([GH-36319](https://github.com/apache/arrow/issues/36319))
+
+### Bug Fixes
+
+* Cross architecture build failures with v12.0.1 have been fixed ([GH-36052](https://github.com/apache/arrow/issues/36052))
+
+#### Arrow
+
+* It is now possible to build the Arrow Go lib using tinygo for building smaller WASM binaries ([GH-32832](https://github.com/apache/arrow/issues/32832))
+* `Fields` method for Schema and StructType now returns a copy of the slice to ensure immutability ([GH-35306](https://github.com/apache/arrow/issues/35306) and [GH-35866](https://github.com/apache/arrow/issues/35866))
+* `array.ApproxEqual` for Maps now allows entries for a given element to be presented in any order ([GH-35828](https://github.com/apache/arrow/issues/35828))
+* Fix issues with decimal256 arrays ([GH-35911](https://github.com/apache/arrow/issues/35911), [GH-35965](https://github.com/apache/arrow/issues/35965), and [GH-35975](https://github.com/apache/arrow/issues/35975))
+* StructType now allows duplicate field names correctly ([GH-36014](https://github.com/apache/arrow/issues/36014))
+
+#### Flight
+
+* Fix crash in client middleware ([GH-35240](https://github.com/apache/arrow/issues/35240))
+
+#### Parquet
+
+* Various memory leaks addressed in pqarrow package ([GH-35015](https://github.com/apache/arrow/issues/35015))
+* Fixed panic for `ListOf(types)` if null ([GH-35684](https://github.com/apache/arrow/issues/35684))
+
+
+## Java notes
+
+The JNI bindings for Arrow Dataset now support execute [Substrait](https://substrait.io/) plans via the [Acero](https://arrow.apache.org/docs/dev/cpp/streaming_execution.html) query engine. ([GH-34223](https://github.com/apache/arrow/issues/34223))
+
+Arrow packages that depend on Netty (most notably, `arrow-memory-netty`, but also Arrow Flight) now require either Netty < 4.1.94.Final or Netty >= 4.1.96.Final. In Netty versions 4.1.94.Final and 4.1.95.Final, there was a breaking change in an internal API that affected Arrow; this was reverted in 4.1.96.Final ([GH-36209](https://github.com/apache/arrow/issues/36209), [GH-36928](https://github.com/apache/arrow/issues/36928))
+
+`VectorSchemaRoot#slice` now always makes a copy, including when the slice covers all rows (previously it did not make a copy in this case). This is a potentially-breaking change if your application depended on the old behavior. ([GH-35275](https://github.com/apache/arrow/issues/35275))
+
+Debug info for allocations is no longer automatically enabled when assertions are enabled (e.g. when running unit tests). Instead, support must be explicitly enabled. This is not quite a breaking change, but may be surprising if you are used to using this information while debugging tests. However, performance should be greatly improved while running tests. ([GH-34338](https://github.com/apache/arrow/issues/34338))
+
+Support for the upcoming Java 21 was added, though we do not yet test this in CI ([GH-5053](https://github.com/apache/arrow/issues/35053)). The JNI bindings for Arrow Dataset now expose JSON support ([GH-36421](https://github.com/apache/arrow/issues/36421)). Dictionary replacement is now supported when writing the IPC stream format ([GH-18547](https://github.com/apache/arrow/issues/18547)).
+
+## JavaScript notes
+
+* Updated dependencies: https://github.com/apache/arrow/pull/36032
+
+## Python notes
+
+Compatibility notes:
+
+* The default format version for Parquet has been bumped from 2.4 to 2.6 [GH-35746](https://github.com/apache/arrow/issues/35746). In practice, this means that nanosecond timestamps now preserve its resolution instead of being converted to microseconds.
+* Support for Python 3.7 is dropped [GH-34788](https://github.com/apache/arrow/issues/34788)
+
+New features:
+
+* Conversion to non-nano datetime64 for pandas >= 2.0 is now supported [GH-33321](https://github.com/apache/arrow/issues/33321)
+* Write page index is now supported [GH-36284](https://github.com/apache/arrow/issues/36284)
+* Bindings for reading JSON format in Dataset are added [GH-34216](https://github.com/apache/arrow/issues/34216)
+* `keys_sorted` property of MapType is now exposed [GH-35112](https://github.com/apache/arrow/issues/35112)
+
+Other improvements:
+
+* Common python functionality between `Table` and `RecordBatch` classes has been consolidated ( [GH-36129](https://github.com/apache/arrow/issues/36129), [GH-35415](https://github.com/apache/arrow/issues/35415), [GH-35390](https://github.com/apache/arrow/issues/35390), [GH-34979](https://github.com/apache/arrow/issues/34979), [GH-34868](https://github.com/apache/arrow/issues/34868), [GH-31868](https://github.com/apache/arrow/issues/31868))
+* Some functionality for `FixedShapeTensorType` has been improved (`__reduce__` [GH-36038](https://github.com/apache/arrow/issues/36038), picklability [GH-35599](https://github.com/apache/arrow/issues/35599))
+* Pyarrow scalars can now be accepted in the `array` constructor [GH-21761](https://github.com/apache/arrow/issues/21761)
+* DataFrame Interchange Protocol implementation and usage is now documented [GH-33980](https://github.com/apache/arrow/issues/33980)
+* Conversion between Arrow and Pandas for map/pydict now has enhanced support [GH-34729](https://github.com/apache/arrow/issues/34729)
+* Usability of `pc.map_lookup` / `MapLookupOptions` is improved [GH-36045](https://github.com/apache/arrow/issues/36045)
+* `zero_copy_only` keyword can now also be accepted in `ChunkedArray.to_numpy()` [GH-34787](https://github.com/apache/arrow/issues/34787)
+* Python C++ codebase now has linter support in Archery and the CI [GH-35485](https://github.com/apache/arrow/issues/35485)
+
+Relevant bug fixes:
+
+* `__array__` numpy conversion for Table and RecordBatch is now corrected so that `np.asarray(pa.Table)` doesn’t return a transposed result [GH-34886](https://github.com/apache/arrow/issues/34886)
+* `parquet.write_to_dataset` doesn't create empty files for non-observed dictionary (category) values anymore [GH-23870](https://github.com/apache/arrow/issues/23870)
+* Dataset writer now also correctly follows default Parquet version of 2.6 [GH-36537](https://github.com/apache/arrow/issues/36537)
+* Comparing `pyarrow.dataset.Partitioning` with other type is now correctly handled [GH-36659](https://github.com/apache/arrow/issues/36659)
+* Pickling of pyarrow.dataset PartitioningFactory objects is now supported [GH-34884](https://github.com/apache/arrow/issues/34884)
+* None schema is now disallowed in parquet writer [GH-35858](https://github.com/apache/arrow/issues/35858)
+* `pa.FixedShapeTensorArray.to_numpy_ndarray` is not failing on sliced arrays [GH-35573](https://github.com/apache/arrow/issues/35573)
+* Halffloat type is now supported in the conversion from Arrow list to pandas [GH-36168](https://github.com/apache/arrow/issues/36168)
+* `__from_arrow__` is now also implemented for `Array.to_pandas` for pandas extension data types [GH-36096](https://github.com/apache/arrow/issues/36096)
+
+
+## R notes
+
+New features:
+
+* `open_dataset()` now works with ND-JSON files [GH-35055](https://github.com/apache/arrow/issues/35055)
+* Calling `schema()` on multiple Arrow objects now returns the object's schema [GH-35543](https://github.com/apache/arrow/issues/35543)
+* dplyr `.by`/`by` argument now supported in arrow implementation of dplyr verbs [GH-35667](https://github.com/apache/arrow/issues/35667)
+
+Other improvements:
+* Convenience function `arrow_array()` can be used to create Arrow Arrays [GH-36381](https://github.com/apache/arrow/issues/36381)
+* Convenience function `scalar()` can be used to create Arrow Scalars [GH-36265](https://github.com/apache/arrow/issues/36265)
+* Prevent crashed when passing data between arrow and duckdb by always calling `RecordBatchReader::ReadNext()` from DuckDB from the main R thread [GH-36307](https://github.com/apache/arrow/issues/36307)
+* Issue a warning for `set_io_thread_count()` with `num_threads` < 2 [GH-36304](https://github.com/apache/arrow/issues/36304)
+* Ensure missing grouping variables are added to the beginning of the variable list [GH-36305](https://github.com/apache/arrow/issues/36305)
+* CSV File reader options class objects can print the selected values [GH-35955](https://github.com/apache/arrow/issues/35955)
+* Schema metadata can be set as a named character vector [GH-35954](https://github.com/apache/arrow/issues/35954)
+* Ensure that the RStringViewer helper class does not own any Array references [GH-35812](https://github.com/apache/arrow/issues/35812)
+* `strptime()` in arrow will return a timezone-aware timestamp if `%z` is part of the format string [GH-35671](https://github.com/apache/arrow/issues/35671)
+* Column ordering when combining `group_by()` and `across()` now matches dplyr [GH-35473](https://github.com/apache/arrow/issues/35473)
+* Link to correct version of OpenSSL when using autobrew [GH-36551](https://github.com/apache/arrow/issues/36551)
+* Require cmake 3.16 in bundled build script [GH-36321](https://github.com/apache/arrow/issues/36321)
+
+For more on what’s in the 13.0.0 R package, see the [R changelog][4].
+
+## Ruby and C GLib notes
+
+### Ruby
+
+#### Bug fixes
+
+* Fixed GC-related issue against random segfault in hash join [GH-35819](https://github.com/apache/arrow/issues/35819)
+* Fixed segfault in `CallExpression.new` [GH-35915](https://github.com/apache/arrow/issues/35915)
+
+#### Improvements
+
+* FlightRPC: Added a convenient wrapper for the authentication method [GH-35435](https://github.com/apache/arrow/issues/35435)
+* Added empty table support in `#select_columns` [GH-35681](https://github.com/apache/arrow/issues/35681)
+* Added optional hash support in `Expression.try_convert` [GH-35915](https://github.com/apache/arrow/issues/35915)
+* Parquet: Added `Parquet::ArrowFileReader#each_row_group` [GH-36008](https://github.com/apache/arrow/issues/36008)
+* Added support of the automatic installation of arrow-c-glib on Conda environment [GH-36287](https://github.com/apache/arrow/issues/36287)
+
+### C GLib
+
+#### Bug fixes
+
+* Parquet: Fixed GC-related bug in metadata dependencies [GH-35266](https://github.com/apache/arrow/issues/35266)
+* Fixed potentially GC-related issue against random segfault in hash join [GH-35819](https://github.com/apache/arrow/issues/35819)
+
+#### Improvements
+
+* FlightRPC: Added support to pass `GAFlightServerCallContext` object in several methods of `GAFlightServerCustomAuthHandler` [GH-35377](https://github.com/apache/arrow/issues/35377)
+* FlightSQL: Added support for INSERT/UPDATE/DELETE [GH-36408](https://github.com/apache/arrow/issues/36408)
+* Added `GArrowRunEndEncodedDataType` [GH-35417](https://github.com/apache/arrow/issues/35417)
+* Added `GArrowRunEndEncodedArray` [GH-35418](https://github.com/apache/arrow/issues/35418)
+
+
+## Rust notes
+
+The Rust projects have moved to separate repositories outside the
+main Arrow monorepo. For notes on the latest release of the Rust
+implementation, see the latest [Arrow Rust changelog][5].
+
+[1]: https://github.com/apache/arrow/milestone/51?closed=1
+[2]: {{ site.baseurl }}/release/13.0.0.html#contributors
+[3]: {{ site.baseurl }}/release/13.0.0.html#changelog
+[4]: {{ site.baseurl }}/docs/r/news/
+[5]: https://github.com/apache/arrow-rs/tags
