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Add release docs for Apache Spark 4.2.0-preview1
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‎documentation.md‎

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<p>Documentation for preview releases:</p>
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<ul>
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<li><a href="{{site.baseurl}}/docs/4.2.0-preview1/">Spark 4.2.0-preview1</a></li>
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<li><a href="{{site.baseurl}}/docs/4.1.0-preview4/">Spark 4.1.0-preview4</a></li>
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<li><a href="{{site.baseurl}}/docs/4.1.0-preview3/">Spark 4.1.0-preview3</a></li>
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<li><a href="{{site.baseurl}}/docs/4.1.0-preview2/">Spark 4.1.0-preview2</a></li>

‎news/_posts/2026-01-11-spark-4-2-0-preview1-released.md‎

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---
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layout: post
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title: Preview release of Spark 4.2.0
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categories:
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- News
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tags: []
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status: publish
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type: post
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published: true
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meta:
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_edit_last: '4'
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_wpas_done_all: '1'
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---
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To enable wide-scale community testing of the upcoming Spark 4.2.0 release, the Apache Spark community has posted a
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<a href="https://dist.apache.org/repos/dist/release/spark/spark-4.2.0-preview1">Spark 4.2.0-preview1 release</a>.
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This preview is not a stable release in terms of either API or functionality, but it is meant to give the community early
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access to try the code that will become Spark 4.2.0. If you would like to test the release,
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please <a href="https://dist.apache.org/repos/dist/release/spark/spark-4.2.0-preview1">download</a> it, and send feedback using either
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<a href="https://spark.apache.org/community.html">mailing lists</a> or
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<a href="https://issues.apache.org/jira/browse/SPARK/?selectedTab=com.atlassian.jira.jira-projects-plugin:summary-panel">JIRA</a>.
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The documentation is available at the <a href="https://spark.apache.org/docs/4.2.0-preview1/">link</a>.
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We'd like to thank our contributors and users for their contributions and early feedback to this release. This release would not have been possible without you.

‎site/404.html‎

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<h5>Latest News</h5>
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<ul class="list-unstyled">
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<li><a href="/news/spark-4-2-0-preview1-released.html">Preview release of Spark 4.2.0</a>
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<span class="small">(Jan 11, 2026)</span></li>
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<li><a href="/news/spark-4-1-1-released.html">Spark 4.1.1 released</a>
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<span class="small">(Jan 09, 2026)</span></li>
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<li><a href="/news/spark-4-1-0-preview4-released.html">Preview release of Spark 4.1.0</a>
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<span class="small">(Nov 19, 2025)</span></li>
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<li><a href="/news/spark-4-1-0-preview3-released.html">Preview release of Spark 4.1.0</a>
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<span class="small">(Oct 29, 2025)</span></li>
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</ul>
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<p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
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</div>

‎site/committers.html‎

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<h5>Latest News</h5>
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<li><a href="/news/spark-4-2-0-preview1-released.html">Preview release of Spark 4.2.0</a>
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<span class="small">(Jan 11, 2026)</span></li>
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<li><a href="/news/spark-4-1-1-released.html">Spark 4.1.1 released</a>
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<span class="small">(Jan 09, 2026)</span></li>
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<li><a href="/news/spark-4-1-0-preview4-released.html">Preview release of Spark 4.1.0</a>
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<span class="small">(Nov 19, 2025)</span></li>
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<li><a href="/news/spark-4-1-0-preview3-released.html">Preview release of Spark 4.1.0</a>
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<span class="small">(Oct 29, 2025)</span></li>
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<p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
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‎site/community.html‎

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<h5>Latest News</h5>
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<ul class="list-unstyled">
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<li><a href="/news/spark-4-2-0-preview1-released.html">Preview release of Spark 4.2.0</a>
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<span class="small">(Jan 11, 2026)</span></li>
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<li><a href="/news/spark-4-1-1-released.html">Spark 4.1.1 released</a>
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<span class="small">(Jan 09, 2026)</span></li>
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<li><a href="/news/spark-4-1-0-preview4-released.html">Preview release of Spark 4.1.0</a>
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<li><a href="/news/spark-4-1-0-preview3-released.html">Preview release of Spark 4.1.0</a>
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<span class="small">(Oct 29, 2025)</span></li>
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<p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
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‎site/contributing.html‎

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<h5>Latest News</h5>
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<span class="small">(Jan 11, 2026)</span></li>
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<li><a href="/news/spark-4-1-1-released.html">Spark 4.1.1 released</a>
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<li><a href="/news/spark-4-1-0-preview4-released.html">Preview release of Spark 4.1.0</a>
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<p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
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‎site/developer-tools.html‎

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<h5>Latest News</h5>
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<li><a href="/news/spark-4-2-0-preview1-released.html">Preview release of Spark 4.2.0</a>
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<span class="small">(Jan 11, 2026)</span></li>
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<li><a href="/news/spark-4-1-1-released.html">Spark 4.1.1 released</a>
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‎site/docs/preview‎

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4.1.0-preview4
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4.2.0-preview1

‎site/documentation.html‎

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<p>Documentation for preview releases:</p>
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<li><a href="/docs/4.2.0-preview1/">Spark 4.2.0-preview1</a></li>
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<li><a href="/docs/4.1.0-preview4/">Spark 4.1.0-preview4</a></li>
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<li><a href="/docs/4.1.0-preview3/">Spark 4.1.0-preview3</a></li>
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<h5>Latest News</h5>
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<span class="small">(Jan 11, 2026)</span></li>
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<li><a href="/news/spark-4-1-1-released.html">Spark 4.1.1 released</a>
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<li><a href="/news/spark-4-1-0-preview3-released.html">Preview release of Spark 4.1.0</a>
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<p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
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‎site/downloads.html‎

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<li><a href="/news/spark-4-2-0-preview1-released.html">Preview release of Spark 4.2.0</a>
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<li><a href="/news/spark-4-1-1-released.html">Spark 4.1.1 released</a>
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<p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
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</div>

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