From 127e1182ea8e9b8f5cddd5cf0fd9c1d9ab6ef877 Mon Sep 17 00:00:00 2001 From: David Li Date: Tue, 28 Jul 2026 10:55:13 +0900 Subject: [PATCH 1/8] [Website] Add ADBC 24 release --- _posts/2026-07-28-adbc-24-release.md | 208 +++++++++++++++++++++++++++ 1 file changed, 208 insertions(+) create mode 100644 _posts/2026-07-28-adbc-24-release.md diff --git a/_posts/2026-07-28-adbc-24-release.md b/_posts/2026-07-28-adbc-24-release.md new file mode 100644 index 00000000000..86f9cbf9791 --- /dev/null +++ b/_posts/2026-07-28-adbc-24-release.md @@ -0,0 +1,208 @@ +--- +layout: post +title: "Apache Arrow ADBC 24 (Libraries) Release" +date: "2026-07-28 00:00:00" +author: pmc +categories: [release] +--- + + +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] from [**28 distinct contributors**][2]. + +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 +- 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. + +### Breaking/Major Changes + +- The documentation has been overhauled, in particular to make it clearer how + to use ADBC and where to download drivers. +- We have stopped development on drivers for Apache DataFusion, BigQuery, + Databricks, and Snowflake. Existing packages will continue to be available, + but the code has been removed and we may archive pages on PyPI and other + package indices. All four of these systems now have ADBC drivers developed + by the vendors themselves or other third parties; see + [Drivers](https://arrow.apache.org/adbc/24/driver/index.html) in the + documentation for details. +- Similarly, support for Amazon Redshift in the PostgreSQL driver has been + removed. This support was always experimental and incomplete, and a + dedicated driver has been available from a third party. +- 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)) + +### 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 + +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)). + +## 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/milestone/28 +[2]: #contributors +[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 From aad2fc86cc46a13195b6dfa73368f0c76369d378 Mon Sep 17 00:00:00 2001 From: David Li Date: Tue, 28 Jul 2026 10:59:59 +0900 Subject: [PATCH 2/8] rebuild preview site? From b3b54b22348b76d82900a32030649a9c4d7436e8 Mon Sep 17 00:00:00 2001 From: Ian Cook Date: Tue, 28 Jul 2026 00:12:37 -0400 Subject: [PATCH 3/8] Edit blog content --- _posts/2026-07-28-adbc-24-release.md | 75 ++++++++++++++++++++-------- 1 file changed, 55 insertions(+), 20 deletions(-) diff --git a/_posts/2026-07-28-adbc-24-release.md b/_posts/2026-07-28-adbc-24-release.md index 86f9cbf9791..8ba01d71e69 100644 --- a/_posts/2026-07-28-adbc-24-release.md +++ b/_posts/2026-07-28-adbc-24-release.md @@ -48,26 +48,56 @@ been made: we refer you to the [complete changelog][3]. Note: we are planning to require C++20 starting from the next release. -### Breaking/Major Changes - -- The documentation has been overhauled, in particular to make it clearer how - to use ADBC and where to download drivers. -- We have stopped development on drivers for Apache DataFusion, BigQuery, - Databricks, and Snowflake. Existing packages will continue to be available, - but the code has been removed and we may archive pages on PyPI and other - package indices. All four of these systems now have ADBC drivers developed - by the vendors themselves or other third parties; see - [Drivers](https://arrow.apache.org/adbc/24/driver/index.html) in the - documentation for details. -- Similarly, support for Amazon Redshift in the PostgreSQL driver has been - removed. This support was always experimental and incomplete, and a - dedicated driver has been available from a third party. -- 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)) +### 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. +([#4525](https://github.com/apache/arrow-adbc/pull/4525)) + +- It 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). +- 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 @@ -127,6 +157,11 @@ with dynamically loaded drivers and make certain conventions clearer ### 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 From 1b6a8494d1273cca087822e2d2a39549b826999a Mon Sep 17 00:00:00 2001 From: Ian Cook Date: Tue, 28 Jul 2026 00:22:01 -0400 Subject: [PATCH 4/8] Remove bullets from Documentation section --- _posts/2026-07-28-adbc-24-release.md | 36 +++++++++++++++------------- 1 file changed, 19 insertions(+), 17 deletions(-) diff --git a/_posts/2026-07-28-adbc-24-release.md b/_posts/2026-07-28-adbc-24-release.md index 8ba01d71e69..298f44b5b53 100644 --- a/_posts/2026-07-28-adbc-24-release.md +++ b/_posts/2026-07-28-adbc-24-release.md @@ -79,25 +79,27 @@ pools. ([#4424](https://github.com/apache/arrow-adbc/pull/4424)) ### Documentation -The documentation has been overhauled. +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)) -- It 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). -- 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. +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 From d23b8831f18b666d79131a63a911d0dfff4f13f6 Mon Sep 17 00:00:00 2001 From: David Li Date: Mon, 27 Jul 2026 21:29:25 -0700 Subject: [PATCH 5/8] Update _posts/2026-07-28-adbc-24-release.md Co-authored-by: Ian Cook --- _posts/2026-07-28-adbc-24-release.md | 1 + 1 file changed, 1 insertion(+) diff --git a/_posts/2026-07-28-adbc-24-release.md b/_posts/2026-07-28-adbc-24-release.md index 298f44b5b53..00ca97ac835 100644 --- a/_posts/2026-07-28-adbc-24-release.md +++ b/_posts/2026-07-28-adbc-24-release.md @@ -190,6 +190,7 @@ The SQLite driver now uses SQLite version 3.53.1 (up from 3.51.2) URIs with the `sqlite://` scheme ([#4463](https://github.com/apache/arrow-adbc/pull/4463)). + ## Contributors ``` From 00a792af2d476746a2d62df77f45556c3711aa0e Mon Sep 17 00:00:00 2001 From: David Li Date: Tue, 28 Jul 2026 13:29:46 +0900 Subject: [PATCH 6/8] tweaks --- _posts/2026-07-28-adbc-24-release.md | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/_posts/2026-07-28-adbc-24-release.md b/_posts/2026-07-28-adbc-24-release.md index 00ca97ac835..e6d14940dd4 100644 --- a/_posts/2026-07-28-adbc-24-release.md +++ b/_posts/2026-07-28-adbc-24-release.md @@ -37,6 +37,7 @@ 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 @@ -46,7 +47,9 @@ 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. +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), as the EOL for Python 3.10 is October 2026. ### Breaking Changes and Deprecations From 2c79d07cdf64a25d0a45fc29be1aa465d4421e61 Mon Sep 17 00:00:00 2001 From: David Li Date: Tue, 28 Jul 2026 15:07:59 +0900 Subject: [PATCH 7/8] tweak --- _posts/2026-07-28-adbc-24-release.md | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/_posts/2026-07-28-adbc-24-release.md b/_posts/2026-07-28-adbc-24-release.md index e6d14940dd4..5be079709e1 100644 --- a/_posts/2026-07-28-adbc-24-release.md +++ b/_posts/2026-07-28-adbc-24-release.md @@ -26,7 +26,8 @@ limitations under the License. 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] from [**28 distinct contributors**][2]. +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 @@ -241,8 +242,8 @@ 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/milestone/28 -[2]: #contributors +[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 %} From f8b437572c9b4a129bc4af63a87e63719c994794 Mon Sep 17 00:00:00 2001 From: David Li Date: Tue, 28 Jul 2026 16:29:16 +0900 Subject: [PATCH 8/8] update --- _posts/2026-07-28-adbc-24-release.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/_posts/2026-07-28-adbc-24-release.md b/_posts/2026-07-28-adbc-24-release.md index 5be079709e1..b8ba3608051 100644 --- a/_posts/2026-07-28-adbc-24-release.md +++ b/_posts/2026-07-28-adbc-24-release.md @@ -50,7 +50,8 @@ been made: we refer you to the [complete changelog][3]. 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), as the EOL for Python 3.10 is October 2026. +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