[Website] Add release post for ADBC 15

_posts/2024-11-13-adbc-15-release.md

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+---
+layout: post
+title: "Apache Arrow ADBC 15 (Libraries) Release"
+date: "2024-11-13 00:00:00"
+author: pmc
+categories: [release]
+---
+<!--
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+
+The Apache Arrow team is pleased to announce the 15 release of
+the Apache Arrow ADBC libraries. This covers includes [**31
+resolved issues**][1] from [**13 distinct contributors**][2].
+
+This is a release of the **libraries**, which are at version
+15.  The **API specification** is versioned separately and is
+at version 1.1.0.
+
+The subcomponents are versioned independently:
+
+- C/C++/GLib/Go/Python/Ruby: 1.3.0
+- C#: 0.15.0
+- Java: 0.15.0
+- R: 0.15.0
+- Rust: 0.15.0
+
+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
+
+- The BigQuery driver is now properly released to PyPI.
+- A basic driver for Apache DataFusion is now being developed.
+- The documentation now includes the Doxygen API reference for C/C++, which should give a better/more native experience than the previous Breathe-based documentation.
+- The Java libraries now use the latest arrow-java libraries, and as such require Java 11 or newer.
+- The PostgreSQL driver has basic support for Redshift, though it cannot use the COPY optimizations for PostgreSQL and as such will not be as fast.
+- The PostgreSQL driver can now handle ingesting Arrow list types.
+- The PostgreSQL driver will use the [Opaque canonical extension type][opaque] for unknown types, instead of just returning bytes with no further context.
+- We no longer build for Python 3.8.  We now build for Python 3.13.
+- The Snowflake driver better handles catalog operations when not connected to a particular database.
+
+## Contributors
+
+```
+$ git shortlog --perl-regexp --author='^((?!dependabot\[bot\]).*)$' -sn apache-arrow-adbc-14..apache-arrow-adbc-15
+    24	David Li
+    15	Dewey Dunnington
+    14	Bruce Irschick
+     5	Curt Hagenlocher
+     5	davidhcoe
+     3	Laurent Goujon
+     3	Matthijs Brobbel
+     3	William Ayd
+     3	eitsupi
+     2	Matt Topol
+     2	Tornike Gurgenidze
+     2	qifanzhang-ms
+     1	Sudhir Reddy Emmadi
+```
+
+## Roadmap
+
+There is some discussion on a potential second revision of ADBC to include more missing functionality and asynchronous API support.  For more, see the [milestone](https://github.com/apache/arrow-adbc/milestone/8); the proposed C Data Interface extensions have been accepted.
+
+## 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/19
+[2]: #contributors
+[3]: https://github.com/apache/arrow-adbc/blob/apache-arrow-adbc-15/CHANGELOG.md
+[4]: https://github.com/apache/arrow-adbc/issues
+[5]: {% link community.md %}
+
+[opaque]: https://arrow.apache.org/docs/format/CanonicalExtensions.html#opaque