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new f70f0f2585b [Website] Add ADBC 24 release (#797)
f70f0f2585b is described below
commit f70f0f2585b4a8c9b5654861a77e4f40a19f9808
Author: David Li <[email protected]>
AuthorDate: Tue Jul 28 02:10:17 2026 -0700
[Website] Add ADBC 24 release (#797)
Preview:
https://lidavidm.github.io/arrow-site/blog/2026/07/28/adbc-24-release/
---------
Co-authored-by: Ian Cook <[email protected]>
---
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+---
+layout: post
+title: "Apache Arrow ADBC 24 (Libraries) Release"
+date: "2026-07-28 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 version 24 release of
+the Apache Arrow ADBC libraries. This release includes [**57
+resolved issues**][1] and [**142** merged pull requests][2] from
+[**28 distinct contributors**](#contributors).
+
+This is a release of the **libraries**, which are at version 24. The
+[**API specification**][specification] is versioned separately and is at
+version 1.1.0.
+
+The subcomponents are versioned independently:
+
+- C/C++/GLib/Go/Python/Ruby: 1.12.0
+- C#: 0.24.0
+- Java: 0.24.0
+- JavaScript: 0.24.0
+- R: 0.24.0
+- Rust: 0.24.0
+
+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].
+
+## Release Highlights
+
+Note: we are planning to require C++20 starting from the next release. Also,
+we will drop support for Python 3.10 no earlier than the release after next
+i.e. no earlier than release 26. Release 26 is expected in about 3-4 months
+(October~November 2026), and the EOL for Python 3.10 is October 2026.
+
+### Breaking Changes and Deprecations
+
+Development of the ADBC drivers for Apache DataFusion, BigQuery, Databricks,
+and Snowflake has moved to the [ADBC Driver
+Foundry](https://adbc-drivers.org/), an independent, community-maintained
+project separate from Apache Arrow. The drivers remain available and continue
+to be developed there. No further releases of those drivers will come from
+this project, but existing packages will remain available, possibly as
+archived listings. For background, see [the ADBC documentation on driver
+development](https://arrow.apache.org/adbc/24/driver/authoring.html#why-the-driver-foundry-not-this-repository).
+Current driver locations and maintainer information are listed under
+[Drivers](https://arrow.apache.org/adbc/24/driver/index.html).
+
+Similarly, the experimental, incomplete support for Amazon Redshift in the
+PostgreSQL driver has been removed. A dedicated [ADBC driver for Amazon
+Redshift](https://adbc-drivers.org/drivers/redshift/) is available from the
+ADBC Driver Foundry.
+
+The ADBC drivers for Apache Arrow Flight SQL, PostgreSQL, and SQLite continue
+to be maintained and released by this project.
+
+Java API definitions were narrowed so that `close` is only declared to throw
+`AdbcException` as a checked
+exception. ([#4451](https://github.com/apache/arrow-adbc/pull/4451))
+
+The PostgreSQL driver now lazily initializes transactions to make it work
+better with connection
+pools. ([#4424](https://github.com/apache/arrow-adbc/pull/4424))
+
+### Documentation
+
+The documentation has been overhauled and is now organized around three common
+tasks: [finding and installing
+drivers](https://arrow.apache.org/adbc/24/driver/index.html), [connecting
+through a client
+library](https://arrow.apache.org/adbc/24/client_libraries.html), and
+[developing a
+driver](https://arrow.apache.org/adbc/24/driver/authoring.html).
+([#4525](https://github.com/apache/arrow-adbc/pull/4525))
+
+The revised docs emphasize ADBC's cross-language driver model: drivers are
+typically distributed as shared libraries that can be used from any supported
+language or client.
+
+A new [Tools &
+Integrations](https://arrow.apache.org/adbc/24/integrations.html) page
+highlights tools and frameworks that integrate with ADBC. We welcome
+contributions to add more integrations.
+
+A new [Connection
+Profiles](https://arrow.apache.org/adbc/24/connection_profiles.html) page shows
+how to use reusable profiles to configure ADBC connections.
+
+### Core APIs & Client Libraries
+
+C# now has a native driver manager, allowing it to load drivers, manifests,
+and profiles ([#4075](https://github.com/apache/arrow-adbc/pull/4075),
+[#4340](https://github.com/apache/arrow-adbc/pull/4340),
+[#4341](https://github.com/apache/arrow-adbc/pull/4341),
+[#4330](https://github.com/apache/arrow-adbc/pull/4330)). The core libraries
+are now compatible with AOT compilation, enabling drivers to be built as
+standalone shared libaries
+([#4243](https://github.com/apache/arrow-adbc/pull/4243),
+[#4318](https://github.com/apache/arrow-adbc/pull/4318)).
+
+The Go `database/sql` adapter now supports converting more Arrow types to Go
+types ([#4416](https://github.com/apache/arrow-adbc/pull/4416)).
+
+The Java core APIs now support a "fluent" style ingest API (#4466). Also,
+support for dynamically loading drivers for use in Java has been greatly
+expanded and should now support all of the ADBC APIs and features expected of
+a client library ([#4452](https://github.com/apache/arrow-adbc/pull/4452),
+[#4211](https://github.com/apache/arrow-adbc/pull/4211),
+[#4411](https://github.com/apache/arrow-adbc/pull/4411),
+[#4202](https://github.com/apache/arrow-adbc/pull/4202),
+[#4359](https://github.com/apache/arrow-adbc/pull/4359),
+[#4212](https://github.com/apache/arrow-adbc/pull/4212),
+[#4263](https://github.com/apache/arrow-adbc/pull/4263),
+[#4229](https://github.com/apache/arrow-adbc/pull/4229),
+[#4203](https://github.com/apache/arrow-adbc/pull/4203),
+[#4361](https://github.com/apache/arrow-adbc/pull/4361),
+[#4362](https://github.com/apache/arrow-adbc/pull/4362),
+[#4249](https://github.com/apache/arrow-adbc/pull/4249),
+[#4250](https://github.com/apache/arrow-adbc/pull/4250),
+[#4398](https://github.com/apache/arrow-adbc/pull/4398),
+[#4397](https://github.com/apache/arrow-adbc/pull/4397),
+[#4423](https://github.com/apache/arrow-adbc/pull/4423),
+[#4395](https://github.com/apache/arrow-adbc/pull/4395),
+[#4396](https://github.com/apache/arrow-adbc/pull/4396),
+[#4391](https://github.com/apache/arrow-adbc/pull/4391)).
+
+The JavaScript client library no longer requires the `driver` parameter and
+can infer the driver to load based on the URI, or can accept a profile
+([#4357](https://github.com/apache/arrow-adbc/pull/4357)).
+
+The R client library no longer requires the `driver` parameter and can infer
+the driver to load based on the URI, or can accept a profile
+([#4535](https://github.com/apache/arrow-adbc/pull/4535)).
+
+Some tweaks have been made to the Rust core APIs to better support interop
+with dynamically loaded drivers and make certain conventions clearer
+([#4427](https://github.com/apache/arrow-adbc/pull/4427),
+[#4510](https://github.com/apache/arrow-adbc/pull/4510),
+[#4350](https://github.com/apache/arrow-adbc/pull/4350),
+[#4141](https://github.com/apache/arrow-adbc/pull/4141),
+[#4181](https://github.com/apache/arrow-adbc/pull/4181),
+[#4473](https://github.com/apache/arrow-adbc/pull/4473),
+[#4469](https://github.com/apache/arrow-adbc/pull/4469)).
+
+### Drivers
+
+This project continues to maintain and release the ADBC drivers for Apache
+Arrow Flight SQL, PostgreSQL, and SQLite. As mentioned above, the DataFusion,
+BigQuery, Databricks, and Snowflake drivers are now maintained in the [ADBC
+Driver Foundry](https://adbc-drivers.org/), alongside many others.
+
+The Flight SQL driver now recognizes URIs with the `flightsql://` scheme
+([#4488](https://github.com/apache/arrow-adbc/pull/4488)). It also has more
+support for logging and OpenTelemetry tracing
+([#4322](https://github.com/apache/arrow-adbc/pull/4322),
+[#4486](https://github.com/apache/arrow-adbc/pull/4486)).
+
+The PostgreSQL driver now uses libpq version 18.4 (up from 16.9)
+([#4566](https://github.com/apache/arrow-adbc/pull/4566)). Several bugs have
+been fixed around handling of the NUMERIC type, and it has been optimized on
+platforms where int128 is available (generally, platforms other than Windows)
+([#4536](https://github.com/apache/arrow-adbc/pull/4536),
+[#4499](https://github.com/apache/arrow-adbc/pull/4499),
+[#4523](https://github.com/apache/arrow-adbc/pull/4523),
+[#4498](https://github.com/apache/arrow-adbc/pull/4498)). GetObjects now
+populates the `xdbc_type_name` field
+([#4457](https://github.com/apache/arrow-adbc/pull/4457)). JSON columns are
+now returned with the `arrow.json` extension type
+([#4415](https://github.com/apache/arrow-adbc/pull/4415)), and ingesting into
+JSONB columns is now supported
+([#4505](https://github.com/apache/arrow-adbc/pull/4505)).
+
+The SQLite driver now uses SQLite version 3.53.1 (up from 3.51.2)
+([#4566](https://github.com/apache/arrow-adbc/pull/4566)). It now recognizes
+URIs with the `sqlite://` scheme
+([#4463](https://github.com/apache/arrow-adbc/pull/4463)).
+
+<a id="contributors"></a>
+## Contributors
+
+```
+$ git shortlog --perl-regexp --author='^((?!dependabot\[bot\]).*)$' -sn
apache-arrow-adbc-23..apache-arrow-adbc-24
+ 58 David Li
+ 16 Bryce Mecum
+ 11 Fredrik Fornwall
+ 7 Curt Hagenlocher
+ 7 eitsupi
+ 6 Mandukhai Alimaa
+ 5 davidhcoe
+ 4 Matt Topol
+ 4 takuya kodama
+ 3 Ian Cook
+ 3 복준수
+ 2 Artur Rakhmatulin
+ 2 Austin Bonander
+ 2 Bruce Irschick
+ 2 Daniel_McBride
+ 2 Emil Sadek
+ 1 Arnold Wakim
+ 1 Aurélien Pupier
+ 1 Dan Liu
+ 1 Felipe Oliveira Carvalho
+ 1 Kent Wu
+ 1 Neal Richardson
+ 1 Nir Portal
+ 1 Pavel Agafonov
+ 1 Rishav Rungta
+ 1 Shubham Pandey
+ 1 mete
+ 1 xinyu.lin
+```
+
+## Roadmap
+
+We are working on the next revision of the API standard, focusing on missing
+features (primarily metadata/catalog data). We welcome anyone interested in
+contributing. Current progress can be found in the [1.2.0 specification
+milestone](https://github.com/apache/arrow-adbc/milestone/9).
+
+## Getting Involved
+
+We welcome questions and contributions from all interested. Issues
+can be filed on [GitHub][4], and questions can be directed to GitHub
+or the [Arrow mailing lists][5].
+
+[1]:
https://github.com/apache/arrow-adbc/issues?q=is%3Aissue%20state%3Aclosed%20milestone%3A%22ADBC%20Libraries%2024%22
+[2]:
https://github.com/apache/arrow-adbc/pulls?q=is%3Apr%20state%3Aclosed%20milestone%3A%22ADBC%20Libraries%2024%22%20-author%3Aapp%2Fdependabot
+[3]:
https://github.com/apache/arrow-adbc/blob/apache-arrow-adbc-24/CHANGELOG.md
+[4]: https://github.com/apache/arrow-adbc/issues
+[5]: {% link community.md %}
+[specification]: https://arrow.apache.org/adbc/24/format/specification.html
