[Website] Add ADBC 0.8.0 release post (#428)

_posts/2023-11-09-adbc-0.8.0-release.md

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+---
+layout: post
+title: "Apache Arrow ADBC 0.8.0 (Libraries) Release"
+date: "2023-11-09 00:00:00"
+author: pmc
+categories: [release]
+---
+<!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
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+http://www.apache.org/licenses/LICENSE-2.0
+
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+See the License for the specific language governing permissions and
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+{% endcomment %}
+-->
+
+The Apache Arrow team is pleased to announce the 0.8.0 release of
+the Apache Arrow ADBC libraries. This covers includes [**43
+resolved issues**][1] from [**12 distinct contributors**][2].
+
+This is a release of the **libraries**, which are at version
+0.8.0.  The **API specification** is versioned separately and is
+at version 1.1.0.
+
+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
+
+C#/.NET has added a BigQuery driver. Also, it now can be used through ADO.NET.
+
+The R bindings now use ADBC 1.1.0, and more packages are now available on
+CRAN.
+
+The Snowflake driver now has an option to control whether to return decimal
+types or attempt to convert to integers/floats.  The PostgreSQL driver now
+uses COPY for bulk ingestion, which Pandas has found is [approximately 35x
+faster][pandas-adbc] than their previous method.  The SQLite driver can now
+load [extensions][sqlite-extensions] and supports more data types, including
+Arrow binary (SQL BLOB), and supports binding some dictionary-encoded types
+(which will be unpacked).
+
+[pandas-adbc]: https://github.com/pandas-dev/pandas/pull/53869#issuecomment-1771657930
+[sqlite-extensions]: https://www.sqlite.org/loadext.html
+
+## Contributors
+
+```
+$ git shortlog --perl-regexp --author='^((?!dependabot\[bot\]).*)$' -sn apache-arrow-adbc-0.7.0..apache-arrow-adbc-0.8.0
+    27	David Li
+    23	William Ayd
+    19	Dewey Dunnington
+     4	Matt Topol
+     4	Solomon Choe
+     4	davidhcoe
+     2	vleslief-ms
+     1	Aaron Ross
+     1	Fredrik Hoem Grelland
+     1	Joel Lubinitsky
+     1	OleMussmann
+     1	Ruoxuan Wang
+```
+
+## Roadmap
+
+Work continues on improving the existing drivers in terms of supported
+Arrow/database types, performance, and so on.
+
+For Java, the minimum JDK version will stay on JDK 8 as long as the Arrow Java
+libraries remain on that version.
+
+There are currently no plans for a second API revision. As work progresses
+on asynchronous and device-aware APIs in the Arrow ecosystem, ADBC will
+eventually be updated to support any new APIs.
+
+## 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/12
+[2]: #contributors
+[3]: https://github.com/apache/arrow-adbc/blob/apache-arrow-adbc-0.8.0/CHANGELOG.md
+[4]: https://github.com/apache/arrow-adbc/issues
+[5]: {% link community.md %}