Add release docs for Apache Spark 4.1.0-preview2
diff --git a/documentation.md b/documentation.md
index 3bcbc2e..2161793 100644
--- a/documentation.md
+++ b/documentation.md
@@ -12,227 +12,4 @@
 <p>Setup instructions, programming guides, and other documentation are available for each stable version of Spark below:</p>
 
 <ul>
-  <li><a href="{{site.baseurl}}/docs/4.0.1/">Spark 4.0.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/4.0.0/">Spark 4.0.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.5.7/">Spark 3.5.7</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.5.6/">Spark 3.5.6</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.5.5/">Spark 3.5.5</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.5.4/">Spark 3.5.4</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.5.3/">Spark 3.5.3</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.5.2/">Spark 3.5.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.5.1/">Spark 3.5.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.5.0/">Spark 3.5.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.4.4/">Spark 3.4.4</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.4.3/">Spark 3.4.3</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.4.2/">Spark 3.4.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.4.1/">Spark 3.4.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.4.0/">Spark 3.4.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.3.4/">Spark 3.3.4</a></li> 
-  <li><a href="{{site.baseurl}}/docs/3.3.3/">Spark 3.3.3</a></li> 
-  <li><a href="{{site.baseurl}}/docs/3.3.2/">Spark 3.3.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.3.1/">Spark 3.3.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.3.0/">Spark 3.3.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.2.4/">Spark 3.2.4</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.2.3/">Spark 3.2.3</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.2.2/">Spark 3.2.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.2.1/">Spark 3.2.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.2.0/">Spark 3.2.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.1.3/">Spark 3.1.3</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.1.2/">Spark 3.1.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.1.1/">Spark 3.1.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.0.3/">Spark 3.0.3</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.0.2/">Spark 3.0.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.0.1/">Spark 3.0.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.0.0/">Spark 3.0.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.4.8/">Spark 2.4.8</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.4.7/">Spark 2.4.7</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.4.6/">Spark 2.4.6</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.4.5/">Spark 2.4.5</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.4.4/">Spark 2.4.4</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.4.3/">Spark 2.4.3</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.4.2/">Spark 2.4.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.4.1/">Spark 2.4.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.4.0/">Spark 2.4.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.3.4/">Spark 2.3.4</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.3.3/">Spark 2.3.3</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.3.2/">Spark 2.3.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.3.1/">Spark 2.3.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.3.0/">Spark 2.3.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.2.3/">Spark 2.2.3</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.2.2/">Spark 2.2.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.2.1/">Spark 2.2.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.2.0/">Spark 2.2.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.1.3/">Spark 2.1.3</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.1.2/">Spark 2.1.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.1.1/">Spark 2.1.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.1.0/">Spark 2.1.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.0.2/">Spark 2.0.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.0.1/">Spark 2.0.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.0.0/">Spark 2.0.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.6.3/">Spark 1.6.3</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.6.2/">Spark 1.6.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.6.1/">Spark 1.6.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.6.0/">Spark 1.6.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.5.2/">Spark 1.5.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.5.1/">Spark 1.5.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.5.0/">Spark 1.5.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.4.1/">Spark 1.4.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.4.0/">Spark 1.4.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.3.1/">Spark 1.3.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.3.0/">Spark 1.3.0</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.2.1/">Spark 1.2.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.1.1/">Spark 1.1.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/1.0.2/">Spark 1.0.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/0.9.2/">Spark 0.9.2</a></li>
-  <li><a href="{{site.baseurl}}/docs/0.8.1/">Spark 0.8.1</a></li>
-  <li><a href="{{site.baseurl}}/docs/0.7.3/">Spark 0.7.3</a></li>
-  <li><a href="{{site.baseurl}}/docs/0.6.2/">Spark 0.6.2</a></li>
-</ul>
-
-<p>Documentation for preview releases:</p>
-
-<ul>
-  <li><a href="{{site.baseurl}}/docs/4.1.0-preview1/">Spark 4.1.0-preview1</a></li>
-  <li><a href="{{site.baseurl}}/docs/4.0.0-preview2/">Spark 4.0.0 preview2</a></li>
-  <li><a href="{{site.baseurl}}/docs/4.0.0-preview1/">Spark 4.0.0 preview1</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.0.0-preview2/">Spark 3.0.0 preview2</a></li>
-  <li><a href="{{site.baseurl}}/docs/3.0.0-preview/">Spark 3.0.0 preview</a></li>
-  <li><a href="{{site.baseurl}}/docs/2.0.0-preview/">Spark 2.0.0 preview</a></li>
-</ul>
-
-<p>The documentation linked to above covers getting started with Spark, as well the built-in components <a href="{{site.baseurl}}/docs/latest/mllib-guide.html">MLlib</a>,
-<a href="{{site.baseurl}}/docs/latest/streaming-programming-guide.html">Spark Streaming</a>, and <a href="{{site.baseurl}}/docs/latest/graphx-programming-guide.html">GraphX</a>.</p>
-
-<p>In addition, this page lists other resources for learning Spark.</p>
-
-<h3>Videos</h3>
-See the <a href="https://www.youtube.com/channel/UCRzsq7k4-kT-h3TDUBQ82-w">Apache Spark YouTube Channel</a> for videos from Spark events. There are separate <a href="https://www.youtube.com/channel/UCRzsq7k4-kT-h3TDUBQ82-w/playlists">playlists</a> for videos of different topics. Besides browsing through playlists, you can also find direct links to videos below.
-
-<h4>Screencast Tutorial Videos</h4>
-<ul>
-  <li><a href="{{site.baseurl}}/screencasts/1-first-steps-with-spark.html">Screencast 1: First Steps with Spark</a></li>
-  <li><a href="{{site.baseurl}}/screencasts/2-spark-documentation-overview.html">Screencast 2: Spark Documentation Overview</a></li>
-<li><a href="{{site.baseurl}}/screencasts/3-transformations-and-caching.html">Screencast 3: Transformations and Caching</a></li>
-<li><a href="{{site.baseurl}}/screencasts/4-a-standalone-job-in-spark.html">Screencast 4: A Spark Standalone Job in Scala</a></li>
-
-</ul>
-
-<h4>Spark Summit Videos</h4>
-<ul>
-  <li>Videos from Spark Summit 2014, San Francisco, June 30 - July 2 2013
-    <ul>
-      <li><a href="https://spark-summit.org/2014/agenda">Full agenda with links to all videos and slides</a></li>
-      <li><a href="https://spark-summit.org/2014/training">Training videos and slides</a></li>
-    </ul>
-  </li>
-  <li>Videos from Spark Summit 2013, San Francisco, Dec 2-3 2013
-    <ul>
-      <li><a href="https://spark-summit.org/2013#agendapluginwidget-4">Full agenda with links to all videos and slides</a></li>
-      <li><a href="https://www.youtube.com/playlist?list=PL-x35fyliRwjXj33QvAXN0Vlx0gc6u0je">YouTube playlist of all Keynotes</a></li>
-      <li><a href="https://www.youtube.com/playlist?list=PL-x35fyliRwiNcKwIkDEQZBejiqxEJ79U">YouTube playlist of Track A (Spark Applications)</a></li>
-      <li><a href="https://www.youtube.com/playlist?list=PL-x35fyliRwiNcKwIkDEQZBejiqxEJ79U">YouTube playlist of Track B (Spark Deployment, Scheduling & Perf, Related projects)</a></li>
-      <li><a href="https://www.youtube.com/playlist?list=PL-x35fyliRwjR1Umntxz52zv3EcKpbzCp">YouTube playlist of the Training Day (i.e. the 2nd day of the summit)</a></li>
-    </ul>
-  </li>
-</ul>
-
-<h4><a name="meetup-videos"></a>Meetup Talk Videos</h4>
-In addition to the videos listed below, you can also view <a href="http://www.meetup.com/spark-users/files/">all slides from Bay Area meetups here</a>.
-<style type="text/css">
-  .video-meta-info {
-    font-size: 0.95em;
-  }
-</style>
-<ul>
-  <li><a href="https://www.youtube.com/watch?v=NUQ-8to2XAk&list=PL-x35fyliRwiP3YteXbnhk0QGOtYLBT3a">Spark 1.0 and Beyond</a> (<a href="http://files.meetup.com/3138542/Spark%201.0%20Meetup.ppt">slides</a>) <span class="video-meta-info">by Patrick Wendell, at Cisco in San Jose, 2014-04-23</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=ju2OQEXqONU&list=PL-x35fyliRwiP3YteXbnhk0QGOtYLBT3a">Adding Native SQL Support to Spark with Catalyst</a> (<a href="http://files.meetup.com/3138542/Spark%20SQL%20Meetup%20-%204-8-2012.pdf">slides</a>) <span class="video-meta-info">by Michael Armbrust, at Tagged in SF, 2014-04-08</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=MY0NkZY_tJw&list=PL-x35fyliRwiP3YteXbnhk0QGOtYLBT3a">SparkR and GraphX</a> (slides: <a href="http://files.meetup.com/3138542/SparkR-meetup.pdf">SparkR</a>, <a href="http://files.meetup.com/3138542/graphx%40spark_meetup03_2014.pdf">GraphX</a>) <span class="video-meta-info">by Shivaram Venkataraman &amp; Dan Crankshaw, at SkyDeck in Berkeley, 2014-03-25</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=5niXiiEX5pE&list=PL-x35fyliRwiP3YteXbnhk0QGOtYLBT3a">Simple deployment w/ SIMR &amp; Advanced Shark Analytics w/ TGFs</a> (<a href="http://files.meetup.com/3138542/tgf.pptx">slides</a>) <span class="video-meta-info">by Ali Ghodsi, at Huawei in Santa Clara, 2014-02-05</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=C7gWtxelYNM&list=PL-x35fyliRwiP3YteXbnhk0QGOtYLBT3a">Stores, Monoids &amp; Dependency Injection - Abstractions for Spark</a> (<a href="http://files.meetup.com/3138542/Abstractions%20for%20spark%20streaming%20-%20spark%20meetup%20presentation.pdf">slides</a>) <span class="video-meta-info">by Ryan Weald, at Sharethrough in SF, 2014-01-17</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=IxDnF_X4M-8">Distributed Machine Learning using MLbase</a> (<a href="http://files.meetup.com/3138542/sparkmeetup_8_6_13_final_reduced.pdf">slides</a>) <span class="video-meta-info">by Evan Sparks &amp; Ameet Talwalkar, at Twitter in SF, 2013-08-06</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=vJQ2RZj9hqs">GraphX Preview: Graph Analysis on Spark</a> <span class="video-meta-info">by Reynold Xin &amp; Joseph Gonzalez, at Flurry in SF, 2013-07-02</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=D1knCQZQQnw">Deep Dive with Spark Streaming</a> (<a href="http://www.slideshare.net/spark-project/deep-divewithsparkstreaming-tathagatadassparkmeetup20130617">slides</a>) <span class="video-meta-info">by Tathagata Das, at Plug and Play in Sunnyvale, 2013-06-17</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=cAZ624-69PQ">Tachyon and Shark update</a> (slides: <a href="http://files.meetup.com/3138542/2013-05-09%20Shark%20%40%20Spark%20Meetup.pdf">Shark</a>, <a href="http://files.meetup.com/3138542/Tachyon_2013-05-09_Spark_Meetup.pdf">Tachyon</a>) <span class="video-meta-info">by Ali Ghodsi, Haoyuan Li, Reynold Xin, Google Ventures, 2013-05-09</span></li>
-
-  <li><a href="https://www.youtube.com/playlist?list=PLxwbieuTaYXmWTBovyyw2NibPfUaJk-h4">Spark 0.7: Overview, pySpark, &amp; Streaming</a> <span class="video-meta-info">by Matei Zaharia, Josh Rosen, Tathagata Das, at Conviva on 2013-02-21</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=49Hr5xZyTEA">Introduction to Spark Internals</a> (<a href="http://files.meetup.com/3138542/dev-meetup-dec-2012.pptx">slides</a>) <span class="video-meta-info">by Matei Zaharia, at Yahoo in Sunnyvale, 2012-12-18</span></li>
-
-
-
-
-</ul>
-
-
-<a name="summit"></a>
-<h3>Training Materials</h3>
-<ul>
-  <li><a href="https://spark-summit.org/2014/training">Training materials and exercises from Spark Summit 2014</a> are available online. These include videos and slides of talks as well as exercises you can run on your laptop. Topics include Spark core, tuning and debugging, Spark SQL, Spark Streaming, GraphX and MLlib.</li>
-  <li><a href="https://spark-summit.org/2013">Spark Summit 2013</a> included a training session, with slides and videos available on <a href="https://spark-summit.org/summit-2013/#agendapluginwidget-5">the training day agenda</a>.
-    The session also included <a href="https://spark-summit.org/2013/exercises/">exercises</a> that you can walk through on Amazon EC2.</li>
-  <li>The <a href="https://amplab.cs.berkeley.edu/">UC Berkeley AMPLab</a> regularly hosts training camps on Spark and related projects.
-Slides, videos and EC2-based exercises from each of these are available online:
-<ul>
-    <li><a href="http://ampcamp.berkeley.edu/4/">AMP Camp 4</a> (Strata Santa Clara, Feb 2014) &mdash; focus on BlinkDB, MLlib, GraphX, Tachyon</li>
-    <li><a href="http://ampcamp.berkeley.edu/3/">AMP Camp 3</a> (Berkeley, CA, Aug 2013)</li>
-    <li><a href="http://ampcamp.berkeley.edu/amp-camp-two-strata-2013/">AMP Camp 2</a> (Strata Santa Clara, Feb 2013)</li>
-    <li><a href="http://ampcamp.berkeley.edu/agenda-2012/">AMP Camp 1</a> (Berkeley, CA, Aug 2012)</li>
-    </ul>
-  </li>
-</ul>
-
-
-<h3>Hands-On Exercises</h3>
-
-<ul>
-  <li><a href="https://spark-summit.org/2014/training">Hands-on exercises from Spark Summit 2014</a>. These let you install Spark on your laptop and learn basic concepts, Spark SQL, Spark Streaming, GraphX and MLlib.</li>
-  <li><a href="https://spark-summit.org/2013/exercises/">Hands-on exercises from Spark Summit 2013</a>. These exercises let you launch a small EC2 cluster, load a dataset, and query it with Spark, Shark, Spark Streaming, and MLlib.</li>
-</ul>
-
-<h3>External Tutorials, Blog Posts, and Talks</h3>
-
-<ul>
-  <li><a href="http://codeforhire.com/2014/02/18/using-spark-with-mongodb/">Using Spark with MongoDB</a> &mdash; by Sampo Niskanen from Wellmo</li>
-  <li><a href="https://spark-summit.org/2013">Spark Summit 2013</a> &mdash; contained 30 talks about Spark use cases, available as slides and videos</li>
-  <li><a href="http://zenfractal.com/2013/08/21/a-powerful-big-data-trio/">A Powerful Big Data Trio: Spark, Parquet and Avro</a> &mdash; Using Parquet in Spark by Matt Massie</li>
-  <li><a href="http://www.slideshare.net/EvanChan2/cassandra2013-spark-talk-final">Real-time Analytics with Cassandra, Spark, and Shark</a> &mdash; Presentation by Evan Chan from Ooyala at 2013 Cassandra Summit</li>
-  <li><a href="http://aws.amazon.com/articles/Elastic-MapReduce/4926593393724923">Run Spark and Shark on Amazon Elastic MapReduce</a> &mdash; Article by Amazon Elastic MapReduce team member Parviz Deyhim</li>
-  <li><a href="http://www.ibm.com/developerworks/library/os-spark/">Spark, an alternative for fast data analytics</a> &mdash; IBM Developer Works article by M. Tim Jones</li>
-</ul>
-
-<h3>Books</h3>
-<ul>
-  <li><a href="http://shop.oreilly.com/product/0636920028512.do">Learning Spark</a>, by Holden Karau, Andy Konwinski, Patrick Wendell and Matei Zaharia (O'Reilly Media)</li>
-  <li><a href="http://www.manning.com/bonaci/">Spark in Action</a>, by Marko Bonaci and Petar Zecevic (Manning)</li>
-  <li><a href="http://shop.oreilly.com/product/0636920035091.do">Advanced Analytics with Spark</a>, by Juliet Hougland, Uri Laserson, Sean Owen, Sandy Ryza and Josh Wills (O'Reilly Media)</li>
-  <li><a href="https://www.manning.com/books/spark-graphx-in-action">Spark GraphX in Action</a>, by Michael Malak (Manning)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/fast-data-processing-spark-second-edition">Fast Data Processing with Spark</a>, by Krishna Sankar and Holden Karau (Packt Publishing)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/machine-learning-spark">Machine Learning with Spark</a>, by Nick Pentreath (Packt Publishing)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/spark-cookbook">Spark Cookbook</a>, by Rishi Yadav (Packt Publishing)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/apache-spark-graph-processing">Apache Spark Graph Processing</a>, by Rindra Ramamonjison (Packt Publishing)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/mastering-apache-spark">Mastering Apache Spark</a>, by Mike Frampton (Packt Publishing)</li>
-  <li><a href="http://www.apress.com/9781484209653">Big Data Analytics with Spark: A Practitioner's Guide to Using Spark for Large Scale Data Analysis</a>, by Mohammed Guller (Apress)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/large-scale-machine-learning-spark">Large Scale Machine Learning with Spark</a>, by Md. Rezaul Karim, Md. Mahedi Kaysar (Packt Publishing)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/big-data-analytics">Big Data Analytics with Spark and Hadoop</a>, by Venkat Ankam (Packt Publishing)</li>
-</ul>
-
-<h3>Examples</h3>
-
-<ul>
-  <li>The <a href="{{site.baseurl}}/examples.html">Spark examples page</a> shows the basic API in Scala, Java and Python.</li>
-</ul>
-
-<h3>Research Papers</h3>
-
-<p>
-Spark was initially developed as a UC Berkeley research project, and much of the design is documented in papers.
-The <a href="{{site.baseurl}}/research.html">research page</a> lists some of the original motivation and direction.
-</p>
+  <li><a href="{{site.baseurl}}/docs//">Spark </a></li>
diff --git a/news/_posts/2025-09-28-spark-4-1-0-preview2-released.md b/news/_posts/2025-09-28-spark-4-1-0-preview2-released.md
new file mode 100644
index 0000000..44f8ae7
--- /dev/null
+++ b/news/_posts/2025-09-28-spark-4-1-0-preview2-released.md
@@ -0,0 +1,23 @@
+---
+layout: post
+title: Preview release of Spark 4.1.0
+categories:
+- News
+tags: []
+status: publish
+type: post
+published: true
+meta:
+  _edit_last: '4'
+  _wpas_done_all: '1'
+---
+To enable wide-scale community testing of the upcoming Spark 4.1.0 release, the Apache Spark community has posted a
+<a href="/spark-4.1.0-preview2">Spark 4.1.0-preview2 release</a>.
+This preview is not a stable release in terms of either API or functionality, but it is meant to give the community early
+access to try the code that will become Spark 4.1.0. If you would like to test the release,
+please <a href="/spark-4.1.0-preview2">download</a> it, and send feedback using either
+<a href="https://spark.apache.org/community.html">mailing lists</a> or
+<a href="https://issues.apache.org/jira/browse/SPARK/?selectedTab=com.atlassian.jira.jira-projects-plugin:summary-panel">JIRA</a>.
+The documentation is available at the <a href="https://spark.apache.org/docs/4.1.0-preview2/">link</a>.
+
+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.
diff --git a/site/404.html b/site/404.html
index 7e456d1..fbeb146 100644
--- a/site/404.html
+++ b/site/404.html
@@ -178,6 +178,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -187,9 +190,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/committers.html b/site/committers.html
index d6ea1d1..dd61452 100644
--- a/site/committers.html
+++ b/site/committers.html
@@ -729,6 +729,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -738,9 +741,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/community.html b/site/community.html
index 1f8a431..a12441c 100644
--- a/site/community.html
+++ b/site/community.html
@@ -374,6 +374,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -383,9 +386,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/contributing.html b/site/contributing.html
index 2ed41f5..52e8288 100644
--- a/site/contributing.html
+++ b/site/contributing.html
@@ -721,6 +721,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -730,9 +733,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/developer-tools.html b/site/developer-tools.html
index ef39ca0..4fa8e75 100644
--- a/site/developer-tools.html
+++ b/site/developer-tools.html
@@ -707,6 +707,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -716,9 +719,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/docs/preview b/site/docs/preview
index 0e77426..f134a6c 120000
--- a/site/docs/preview
+++ b/site/docs/preview
@@ -1 +1 @@
-4.1.0-preview1
\ No newline at end of file
+4.1.0-preview2
\ No newline at end of file
diff --git a/site/documentation.html b/site/documentation.html
index 108545f..b43bdc3 100644
--- a/site/documentation.html
+++ b/site/documentation.html
@@ -157,236 +157,18 @@
 <p>Setup instructions, programming guides, and other documentation are available for each stable version of Spark below:</p>
 
 <ul>
-  <li><a href="/docs/4.0.1/">Spark 4.0.1</a></li>
-  <li><a href="/docs/4.0.0/">Spark 4.0.0</a></li>
-  <li><a href="/docs/3.5.7/">Spark 3.5.7</a></li>
-  <li><a href="/docs/3.5.6/">Spark 3.5.6</a></li>
-  <li><a href="/docs/3.5.5/">Spark 3.5.5</a></li>
-  <li><a href="/docs/3.5.4/">Spark 3.5.4</a></li>
-  <li><a href="/docs/3.5.3/">Spark 3.5.3</a></li>
-  <li><a href="/docs/3.5.2/">Spark 3.5.2</a></li>
-  <li><a href="/docs/3.5.1/">Spark 3.5.1</a></li>
-  <li><a href="/docs/3.5.0/">Spark 3.5.0</a></li>
-  <li><a href="/docs/3.4.4/">Spark 3.4.4</a></li>
-  <li><a href="/docs/3.4.3/">Spark 3.4.3</a></li>
-  <li><a href="/docs/3.4.2/">Spark 3.4.2</a></li>
-  <li><a href="/docs/3.4.1/">Spark 3.4.1</a></li>
-  <li><a href="/docs/3.4.0/">Spark 3.4.0</a></li>
-  <li><a href="/docs/3.3.4/">Spark 3.3.4</a></li> 
-  <li><a href="/docs/3.3.3/">Spark 3.3.3</a></li> 
-  <li><a href="/docs/3.3.2/">Spark 3.3.2</a></li>
-  <li><a href="/docs/3.3.1/">Spark 3.3.1</a></li>
-  <li><a href="/docs/3.3.0/">Spark 3.3.0</a></li>
-  <li><a href="/docs/3.2.4/">Spark 3.2.4</a></li>
-  <li><a href="/docs/3.2.3/">Spark 3.2.3</a></li>
-  <li><a href="/docs/3.2.2/">Spark 3.2.2</a></li>
-  <li><a href="/docs/3.2.1/">Spark 3.2.1</a></li>
-  <li><a href="/docs/3.2.0/">Spark 3.2.0</a></li>
-  <li><a href="/docs/3.1.3/">Spark 3.1.3</a></li>
-  <li><a href="/docs/3.1.2/">Spark 3.1.2</a></li>
-  <li><a href="/docs/3.1.1/">Spark 3.1.1</a></li>
-  <li><a href="/docs/3.0.3/">Spark 3.0.3</a></li>
-  <li><a href="/docs/3.0.2/">Spark 3.0.2</a></li>
-  <li><a href="/docs/3.0.1/">Spark 3.0.1</a></li>
-  <li><a href="/docs/3.0.0/">Spark 3.0.0</a></li>
-  <li><a href="/docs/2.4.8/">Spark 2.4.8</a></li>
-  <li><a href="/docs/2.4.7/">Spark 2.4.7</a></li>
-  <li><a href="/docs/2.4.6/">Spark 2.4.6</a></li>
-  <li><a href="/docs/2.4.5/">Spark 2.4.5</a></li>
-  <li><a href="/docs/2.4.4/">Spark 2.4.4</a></li>
-  <li><a href="/docs/2.4.3/">Spark 2.4.3</a></li>
-  <li><a href="/docs/2.4.2/">Spark 2.4.2</a></li>
-  <li><a href="/docs/2.4.1/">Spark 2.4.1</a></li>
-  <li><a href="/docs/2.4.0/">Spark 2.4.0</a></li>
-  <li><a href="/docs/2.3.4/">Spark 2.3.4</a></li>
-  <li><a href="/docs/2.3.3/">Spark 2.3.3</a></li>
-  <li><a href="/docs/2.3.2/">Spark 2.3.2</a></li>
-  <li><a href="/docs/2.3.1/">Spark 2.3.1</a></li>
-  <li><a href="/docs/2.3.0/">Spark 2.3.0</a></li>
-  <li><a href="/docs/2.2.3/">Spark 2.2.3</a></li>
-  <li><a href="/docs/2.2.2/">Spark 2.2.2</a></li>
-  <li><a href="/docs/2.2.1/">Spark 2.2.1</a></li>
-  <li><a href="/docs/2.2.0/">Spark 2.2.0</a></li>
-  <li><a href="/docs/2.1.3/">Spark 2.1.3</a></li>
-  <li><a href="/docs/2.1.2/">Spark 2.1.2</a></li>
-  <li><a href="/docs/2.1.1/">Spark 2.1.1</a></li>
-  <li><a href="/docs/2.1.0/">Spark 2.1.0</a></li>
-  <li><a href="/docs/2.0.2/">Spark 2.0.2</a></li>
-  <li><a href="/docs/2.0.1/">Spark 2.0.1</a></li>
-  <li><a href="/docs/2.0.0/">Spark 2.0.0</a></li>
-  <li><a href="/docs/1.6.3/">Spark 1.6.3</a></li>
-  <li><a href="/docs/1.6.2/">Spark 1.6.2</a></li>
-  <li><a href="/docs/1.6.1/">Spark 1.6.1</a></li>
-  <li><a href="/docs/1.6.0/">Spark 1.6.0</a></li>
-  <li><a href="/docs/1.5.2/">Spark 1.5.2</a></li>
-  <li><a href="/docs/1.5.1/">Spark 1.5.1</a></li>
-  <li><a href="/docs/1.5.0/">Spark 1.5.0</a></li>
-  <li><a href="/docs/1.4.1/">Spark 1.4.1</a></li>
-  <li><a href="/docs/1.4.0/">Spark 1.4.0</a></li>
-  <li><a href="/docs/1.3.1/">Spark 1.3.1</a></li>
-  <li><a href="/docs/1.3.0/">Spark 1.3.0</a></li>
-  <li><a href="/docs/1.2.1/">Spark 1.2.1</a></li>
-  <li><a href="/docs/1.1.1/">Spark 1.1.1</a></li>
-  <li><a href="/docs/1.0.2/">Spark 1.0.2</a></li>
-  <li><a href="/docs/0.9.2/">Spark 0.9.2</a></li>
-  <li><a href="/docs/0.8.1/">Spark 0.8.1</a></li>
-  <li><a href="/docs/0.7.3/">Spark 0.7.3</a></li>
-  <li><a href="/docs/0.6.2/">Spark 0.6.2</a></li>
+  <li><a href="/docs//">Spark </a></li>
 </ul>
 
-<p>Documentation for preview releases:</p>
-
-<ul>
-  <li><a href="/docs/4.1.0-preview1/">Spark 4.1.0-preview1</a></li>
-  <li><a href="/docs/4.0.0-preview2/">Spark 4.0.0 preview2</a></li>
-  <li><a href="/docs/4.0.0-preview1/">Spark 4.0.0 preview1</a></li>
-  <li><a href="/docs/3.0.0-preview2/">Spark 3.0.0 preview2</a></li>
-  <li><a href="/docs/3.0.0-preview/">Spark 3.0.0 preview</a></li>
-  <li><a href="/docs/2.0.0-preview/">Spark 2.0.0 preview</a></li>
-</ul>
-
-<p>The documentation linked to above covers getting started with Spark, as well the built-in components <a href="/docs/latest/mllib-guide.html">MLlib</a>,
-<a href="/docs/latest/streaming-programming-guide.html">Spark Streaming</a>, and <a href="/docs/latest/graphx-programming-guide.html">GraphX</a>.</p>
-
-<p>In addition, this page lists other resources for learning Spark.</p>
-
-<h3>Videos</h3>
-<p>See the <a href="https://www.youtube.com/channel/UCRzsq7k4-kT-h3TDUBQ82-w">Apache Spark YouTube Channel</a> for videos from Spark events. There are separate <a href="https://www.youtube.com/channel/UCRzsq7k4-kT-h3TDUBQ82-w/playlists">playlists</a> for videos of different topics. Besides browsing through playlists, you can also find direct links to videos below.</p>
-
-<h4>Screencast Tutorial Videos</h4>
-<ul>
-  <li><a href="/screencasts/1-first-steps-with-spark.html">Screencast 1: First Steps with Spark</a></li>
-  <li><a href="/screencasts/2-spark-documentation-overview.html">Screencast 2: Spark Documentation Overview</a></li>
-<li><a href="/screencasts/3-transformations-and-caching.html">Screencast 3: Transformations and Caching</a></li>
-<li><a href="/screencasts/4-a-standalone-job-in-spark.html">Screencast 4: A Spark Standalone Job in Scala</a></li>
-
-</ul>
-
-<h4>Spark Summit Videos</h4>
-<ul>
-  <li>Videos from Spark Summit 2014, San Francisco, June 30 - July 2 2013
-    <ul>
-      <li><a href="https://spark-summit.org/2014/agenda">Full agenda with links to all videos and slides</a></li>
-      <li><a href="https://spark-summit.org/2014/training">Training videos and slides</a></li>
-    </ul>
-  </li>
-  <li>Videos from Spark Summit 2013, San Francisco, Dec 2-3 2013
-    <ul>
-      <li><a href="https://spark-summit.org/2013#agendapluginwidget-4">Full agenda with links to all videos and slides</a></li>
-      <li><a href="https://www.youtube.com/playlist?list=PL-x35fyliRwjXj33QvAXN0Vlx0gc6u0je">YouTube playlist of all Keynotes</a></li>
-      <li><a href="https://www.youtube.com/playlist?list=PL-x35fyliRwiNcKwIkDEQZBejiqxEJ79U">YouTube playlist of Track A (Spark Applications)</a></li>
-      <li><a href="https://www.youtube.com/playlist?list=PL-x35fyliRwiNcKwIkDEQZBejiqxEJ79U">YouTube playlist of Track B (Spark Deployment, Scheduling &amp; Perf, Related projects)</a></li>
-      <li><a href="https://www.youtube.com/playlist?list=PL-x35fyliRwjR1Umntxz52zv3EcKpbzCp">YouTube playlist of the Training Day (i.e. the 2nd day of the summit)</a></li>
-    </ul>
-  </li>
-</ul>
-
-<h4><a name="meetup-videos"></a>Meetup Talk Videos</h4>
-<p>In addition to the videos listed below, you can also view <a href="http://www.meetup.com/spark-users/files/">all slides from Bay Area meetups here</a>.</p>
-<style type="text/css">
-  .video-meta-info {
-    font-size: 0.95em;
-  }
-</style>
-
-<ul>
-  <li><a href="https://www.youtube.com/watch?v=NUQ-8to2XAk&amp;list=PL-x35fyliRwiP3YteXbnhk0QGOtYLBT3a">Spark 1.0 and Beyond</a> (<a href="http://files.meetup.com/3138542/Spark%201.0%20Meetup.ppt">slides</a>) <span class="video-meta-info">by Patrick Wendell, at Cisco in San Jose, 2014-04-23</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=ju2OQEXqONU&amp;list=PL-x35fyliRwiP3YteXbnhk0QGOtYLBT3a">Adding Native SQL Support to Spark with Catalyst</a> (<a href="http://files.meetup.com/3138542/Spark%20SQL%20Meetup%20-%204-8-2012.pdf">slides</a>) <span class="video-meta-info">by Michael Armbrust, at Tagged in SF, 2014-04-08</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=MY0NkZY_tJw&amp;list=PL-x35fyliRwiP3YteXbnhk0QGOtYLBT3a">SparkR and GraphX</a> (slides: <a href="http://files.meetup.com/3138542/SparkR-meetup.pdf">SparkR</a>, <a href="http://files.meetup.com/3138542/graphx%40spark_meetup03_2014.pdf">GraphX</a>) <span class="video-meta-info">by Shivaram Venkataraman &amp; Dan Crankshaw, at SkyDeck in Berkeley, 2014-03-25</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=5niXiiEX5pE&amp;list=PL-x35fyliRwiP3YteXbnhk0QGOtYLBT3a">Simple deployment w/ SIMR &amp; Advanced Shark Analytics w/ TGFs</a> (<a href="http://files.meetup.com/3138542/tgf.pptx">slides</a>) <span class="video-meta-info">by Ali Ghodsi, at Huawei in Santa Clara, 2014-02-05</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=C7gWtxelYNM&amp;list=PL-x35fyliRwiP3YteXbnhk0QGOtYLBT3a">Stores, Monoids &amp; Dependency Injection - Abstractions for Spark</a> (<a href="http://files.meetup.com/3138542/Abstractions%20for%20spark%20streaming%20-%20spark%20meetup%20presentation.pdf">slides</a>) <span class="video-meta-info">by Ryan Weald, at Sharethrough in SF, 2014-01-17</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=IxDnF_X4M-8">Distributed Machine Learning using MLbase</a> (<a href="http://files.meetup.com/3138542/sparkmeetup_8_6_13_final_reduced.pdf">slides</a>) <span class="video-meta-info">by Evan Sparks &amp; Ameet Talwalkar, at Twitter in SF, 2013-08-06</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=vJQ2RZj9hqs">GraphX Preview: Graph Analysis on Spark</a> <span class="video-meta-info">by Reynold Xin &amp; Joseph Gonzalez, at Flurry in SF, 2013-07-02</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=D1knCQZQQnw">Deep Dive with Spark Streaming</a> (<a href="http://www.slideshare.net/spark-project/deep-divewithsparkstreaming-tathagatadassparkmeetup20130617">slides</a>) <span class="video-meta-info">by Tathagata Das, at Plug and Play in Sunnyvale, 2013-06-17</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=cAZ624-69PQ">Tachyon and Shark update</a> (slides: <a href="http://files.meetup.com/3138542/2013-05-09%20Shark%20%40%20Spark%20Meetup.pdf">Shark</a>, <a href="http://files.meetup.com/3138542/Tachyon_2013-05-09_Spark_Meetup.pdf">Tachyon</a>) <span class="video-meta-info">by Ali Ghodsi, Haoyuan Li, Reynold Xin, Google Ventures, 2013-05-09</span></li>
-
-  <li><a href="https://www.youtube.com/playlist?list=PLxwbieuTaYXmWTBovyyw2NibPfUaJk-h4">Spark 0.7: Overview, pySpark, &amp; Streaming</a> <span class="video-meta-info">by Matei Zaharia, Josh Rosen, Tathagata Das, at Conviva on 2013-02-21</span></li>
-
-  <li><a href="https://www.youtube.com/watch?v=49Hr5xZyTEA">Introduction to Spark Internals</a> (<a href="http://files.meetup.com/3138542/dev-meetup-dec-2012.pptx">slides</a>) <span class="video-meta-info">by Matei Zaharia, at Yahoo in Sunnyvale, 2012-12-18</span></li>
-
-
-
-
-</ul>
-
-<p><a name="summit"></a></p>
-<h3>Training Materials</h3>
-<ul>
-  <li><a href="https://spark-summit.org/2014/training">Training materials and exercises from Spark Summit 2014</a> are available online. These include videos and slides of talks as well as exercises you can run on your laptop. Topics include Spark core, tuning and debugging, Spark SQL, Spark Streaming, GraphX and MLlib.</li>
-  <li><a href="https://spark-summit.org/2013">Spark Summit 2013</a> included a training session, with slides and videos available on <a href="https://spark-summit.org/summit-2013/#agendapluginwidget-5">the training day agenda</a>.
-    The session also included <a href="https://spark-summit.org/2013/exercises/">exercises</a> that you can walk through on Amazon EC2.</li>
-  <li>The <a href="https://amplab.cs.berkeley.edu/">UC Berkeley AMPLab</a> regularly hosts training camps on Spark and related projects.
-Slides, videos and EC2-based exercises from each of these are available online:
-<ul>
-    <li><a href="http://ampcamp.berkeley.edu/4/">AMP Camp 4</a> (Strata Santa Clara, Feb 2014) &mdash; focus on BlinkDB, MLlib, GraphX, Tachyon</li>
-    <li><a href="http://ampcamp.berkeley.edu/3/">AMP Camp 3</a> (Berkeley, CA, Aug 2013)</li>
-    <li><a href="http://ampcamp.berkeley.edu/amp-camp-two-strata-2013/">AMP Camp 2</a> (Strata Santa Clara, Feb 2013)</li>
-    <li><a href="http://ampcamp.berkeley.edu/agenda-2012/">AMP Camp 1</a> (Berkeley, CA, Aug 2012)</li>
-    </ul>
-  </li>
-</ul>
-
-<h3>Hands-On Exercises</h3>
-
-<ul>
-  <li><a href="https://spark-summit.org/2014/training">Hands-on exercises from Spark Summit 2014</a>. These let you install Spark on your laptop and learn basic concepts, Spark SQL, Spark Streaming, GraphX and MLlib.</li>
-  <li><a href="https://spark-summit.org/2013/exercises/">Hands-on exercises from Spark Summit 2013</a>. These exercises let you launch a small EC2 cluster, load a dataset, and query it with Spark, Shark, Spark Streaming, and MLlib.</li>
-</ul>
-
-<h3>External Tutorials, Blog Posts, and Talks</h3>
-
-<ul>
-  <li><a href="http://codeforhire.com/2014/02/18/using-spark-with-mongodb/">Using Spark with MongoDB</a> &mdash; by Sampo Niskanen from Wellmo</li>
-  <li><a href="https://spark-summit.org/2013">Spark Summit 2013</a> &mdash; contained 30 talks about Spark use cases, available as slides and videos</li>
-  <li><a href="http://zenfractal.com/2013/08/21/a-powerful-big-data-trio/">A Powerful Big Data Trio: Spark, Parquet and Avro</a> &mdash; Using Parquet in Spark by Matt Massie</li>
-  <li><a href="http://www.slideshare.net/EvanChan2/cassandra2013-spark-talk-final">Real-time Analytics with Cassandra, Spark, and Shark</a> &mdash; Presentation by Evan Chan from Ooyala at 2013 Cassandra Summit</li>
-  <li><a href="http://aws.amazon.com/articles/Elastic-MapReduce/4926593393724923">Run Spark and Shark on Amazon Elastic MapReduce</a> &mdash; Article by Amazon Elastic MapReduce team member Parviz Deyhim</li>
-  <li><a href="http://www.ibm.com/developerworks/library/os-spark/">Spark, an alternative for fast data analytics</a> &mdash; IBM Developer Works article by M. Tim Jones</li>
-</ul>
-
-<h3>Books</h3>
-<ul>
-  <li><a href="http://shop.oreilly.com/product/0636920028512.do">Learning Spark</a>, by Holden Karau, Andy Konwinski, Patrick Wendell and Matei Zaharia (O'Reilly Media)</li>
-  <li><a href="http://www.manning.com/bonaci/">Spark in Action</a>, by Marko Bonaci and Petar Zecevic (Manning)</li>
-  <li><a href="http://shop.oreilly.com/product/0636920035091.do">Advanced Analytics with Spark</a>, by Juliet Hougland, Uri Laserson, Sean Owen, Sandy Ryza and Josh Wills (O'Reilly Media)</li>
-  <li><a href="https://www.manning.com/books/spark-graphx-in-action">Spark GraphX in Action</a>, by Michael Malak (Manning)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/fast-data-processing-spark-second-edition">Fast Data Processing with Spark</a>, by Krishna Sankar and Holden Karau (Packt Publishing)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/machine-learning-spark">Machine Learning with Spark</a>, by Nick Pentreath (Packt Publishing)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/spark-cookbook">Spark Cookbook</a>, by Rishi Yadav (Packt Publishing)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/apache-spark-graph-processing">Apache Spark Graph Processing</a>, by Rindra Ramamonjison (Packt Publishing)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/mastering-apache-spark">Mastering Apache Spark</a>, by Mike Frampton (Packt Publishing)</li>
-  <li><a href="http://www.apress.com/9781484209653">Big Data Analytics with Spark: A Practitioner's Guide to Using Spark for Large Scale Data Analysis</a>, by Mohammed Guller (Apress)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/large-scale-machine-learning-spark">Large Scale Machine Learning with Spark</a>, by Md. Rezaul Karim, Md. Mahedi Kaysar (Packt Publishing)</li>
-  <li><a href="https://www.packtpub.com/big-data-and-business-intelligence/big-data-analytics">Big Data Analytics with Spark and Hadoop</a>, by Venkat Ankam (Packt Publishing)</li>
-</ul>
-
-<h3>Examples</h3>
-
-<ul>
-  <li>The <a href="/examples.html">Spark examples page</a> shows the basic API in Scala, Java and Python.</li>
-</ul>
-
-<h3>Research Papers</h3>
-
-<p>
-Spark was initially developed as a UC Berkeley research project, and much of the design is documented in papers.
-The <a href="/research.html">research page</a> lists some of the original motivation and direction.
-</p>
-
     </div>
     <div class="col-12 col-md-3">
       <div class="news" style="margin-bottom: 20px;">
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -396,9 +178,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/downloads.html b/site/downloads.html
index e0941f7..f922249 100644
--- a/site/downloads.html
+++ b/site/downloads.html
@@ -218,6 +218,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -227,9 +230,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/error-message-guidelines.html b/site/error-message-guidelines.html
index f4d7634..bca93a4 100644
--- a/site/error-message-guidelines.html
+++ b/site/error-message-guidelines.html
@@ -555,6 +555,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -564,9 +567,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/examples.html b/site/examples.html
index fcb277a..58252e4 100644
--- a/site/examples.html
+++ b/site/examples.html
@@ -503,6 +503,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -512,9 +515,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/faq.html b/site/faq.html
index d35d7d5..aa14137 100644
--- a/site/faq.html
+++ b/site/faq.html
@@ -225,6 +225,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -234,9 +237,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/graphx/index.html b/site/graphx/index.html
index 9e7889d..ea2445e 100644
--- a/site/graphx/index.html
+++ b/site/graphx/index.html
@@ -270,6 +270,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -279,9 +282,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/history.html b/site/history.html
index 71eeda2..74044c3 100644
--- a/site/history.html
+++ b/site/history.html
@@ -179,6 +179,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -188,9 +191,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/improvement-proposals.html b/site/improvement-proposals.html
index 614e52e..cc7c883 100644
--- a/site/improvement-proposals.html
+++ b/site/improvement-proposals.html
@@ -251,6 +251,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -260,9 +263,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/mailing-lists.html b/site/mailing-lists.html
index 7e8dfc2..3dbf8e4 100644
--- a/site/mailing-lists.html
+++ b/site/mailing-lists.html
@@ -163,6 +163,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -172,9 +175,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/mllib/index.html b/site/mllib/index.html
index 0912a0b..600f0c9 100644
--- a/site/mllib/index.html
+++ b/site/mllib/index.html
@@ -316,6 +316,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -325,9 +328,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/3-1-3-released.html b/site/news/3-1-3-released.html
index 121a701..15156d2 100644
--- a/site/news/3-1-3-released.html
+++ b/site/news/3-1-3-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/amp-camp-2013-registration-ope.html b/site/news/amp-camp-2013-registration-ope.html
index e6fdd5f..1944816 100644
--- a/site/news/amp-camp-2013-registration-ope.html
+++ b/site/news/amp-camp-2013-registration-ope.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/announcing-the-first-spark-summit.html b/site/news/announcing-the-first-spark-summit.html
index 08ea7df..db6d43a 100644
--- a/site/news/announcing-the-first-spark-summit.html
+++ b/site/news/announcing-the-first-spark-summit.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/fourth-spark-screencast-published.html b/site/news/fourth-spark-screencast-published.html
index ac2f9f3..2abff31 100644
--- a/site/news/fourth-spark-screencast-published.html
+++ b/site/news/fourth-spark-screencast-published.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/index.html b/site/news/index.html
index f6347fa..1c095b1 100644
--- a/site/news/index.html
+++ b/site/news/index.html
@@ -156,6 +156,22 @@
 
 <article class="hentry">
     <header class="entry-header">
+      <h3 class="entry-title"><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a></h3>
+      <div class="entry-date">September 28, 2025</div>
+    </header>
+    <div class="entry-content"><p>To enable wide-scale community testing of the upcoming Spark 4.1.0 release, the Apache Spark community has posted a
+<a href="/spark-4.1.0-preview2">Spark 4.1.0-preview2 release</a>.
+This preview is not a stable release in terms of either API or functionality, but it is meant to give the community early
+access to try the code that will become Spark 4.1.0. If you would like to test the release,
+please <a href="/spark-4.1.0-preview2">download</a> it, and send feedback using either
+<a href="https://spark.apache.org/community.html">mailing lists</a> or
+<a href="https://issues.apache.org/jira/browse/SPARK/?selectedTab=com.atlassian.jira.jira-projects-plugin:summary-panel">JIRA</a>.
+The documentation is available at the <a href="https://spark.apache.org/docs/4.1.0-preview2/">link</a>.</p>
+</div>
+  </article>
+
+<article class="hentry">
+    <header class="entry-header">
       <h3 class="entry-title"><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a></h3>
       <div class="entry-date">September 24, 2025</div>
     </header>
@@ -1500,6 +1516,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -1509,9 +1528,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/new-repository-service.html b/site/news/new-repository-service.html
index 7763d11..2fdb6b0 100644
--- a/site/news/new-repository-service.html
+++ b/site/news/new-repository-service.html
@@ -175,6 +175,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -184,9 +187,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/next-official-release-spark-3.1.1.html b/site/news/next-official-release-spark-3.1.1.html
index 2d7baab..7c01275 100644
--- a/site/news/next-official-release-spark-3.1.1.html
+++ b/site/news/next-official-release-spark-3.1.1.html
@@ -181,6 +181,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -190,9 +193,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/nsdi-paper.html b/site/news/nsdi-paper.html
index 40364af..29c2822 100644
--- a/site/news/nsdi-paper.html
+++ b/site/news/nsdi-paper.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/one-month-to-spark-summit-2015.html b/site/news/one-month-to-spark-summit-2015.html
index 7a9a0aa..6ed1d1d 100644
--- a/site/news/one-month-to-spark-summit-2015.html
+++ b/site/news/one-month-to-spark-summit-2015.html
@@ -175,6 +175,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -184,9 +187,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/plan-for-dropping-python-2-support.html b/site/news/plan-for-dropping-python-2-support.html
index de08ad9..10fee8d 100644
--- a/site/news/plan-for-dropping-python-2-support.html
+++ b/site/news/plan-for-dropping-python-2-support.html
@@ -185,6 +185,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -194,9 +197,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/proposals-open-for-spark-summit-east.html b/site/news/proposals-open-for-spark-summit-east.html
index 03dd34c..ec4318c 100644
--- a/site/news/proposals-open-for-spark-summit-east.html
+++ b/site/news/proposals-open-for-spark-summit-east.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/registration-open-for-spark-summit-east.html b/site/news/registration-open-for-spark-summit-east.html
index 9d92c67..093a444 100644
--- a/site/news/registration-open-for-spark-summit-east.html
+++ b/site/news/registration-open-for-spark-summit-east.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/run-spark-and-shark-on-amazon-emr.html b/site/news/run-spark-and-shark-on-amazon-emr.html
index cb7665d..731b02f 100644
--- a/site/news/run-spark-and-shark-on-amazon-emr.html
+++ b/site/news/run-spark-and-shark-on-amazon-emr.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/sigmod-system-award.html b/site/news/sigmod-system-award.html
index 92c7919..230beb4 100644
--- a/site/news/sigmod-system-award.html
+++ b/site/news/sigmod-system-award.html
@@ -180,6 +180,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -189,9 +192,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-0-6-1-and-0-5-2-released.html b/site/news/spark-0-6-1-and-0-5-2-released.html
index 9dc132d..87cbe4f 100644
--- a/site/news/spark-0-6-1-and-0-5-2-released.html
+++ b/site/news/spark-0-6-1-and-0-5-2-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-0-6-2-released.html b/site/news/spark-0-6-2-released.html
index aa93c94..32be852 100644
--- a/site/news/spark-0-6-2-released.html
+++ b/site/news/spark-0-6-2-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-0-7-0-released.html b/site/news/spark-0-7-0-released.html
index efbc84a..5d5aa68 100644
--- a/site/news/spark-0-7-0-released.html
+++ b/site/news/spark-0-7-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-0-7-2-released.html b/site/news/spark-0-7-2-released.html
index b07e9b5..a5290f9 100644
--- a/site/news/spark-0-7-2-released.html
+++ b/site/news/spark-0-7-2-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-0-7-3-released.html b/site/news/spark-0-7-3-released.html
index 1b69208..ed3d2a3 100644
--- a/site/news/spark-0-7-3-released.html
+++ b/site/news/spark-0-7-3-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-0-8-0-released.html b/site/news/spark-0-8-0-released.html
index 991028f..0d1c432 100644
--- a/site/news/spark-0-8-0-released.html
+++ b/site/news/spark-0-8-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-0-8-1-released.html b/site/news/spark-0-8-1-released.html
index 5e967d3..402052b 100644
--- a/site/news/spark-0-8-1-released.html
+++ b/site/news/spark-0-8-1-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-0-9-0-released.html b/site/news/spark-0-9-0-released.html
index 24064d4..3bfc6ce 100644
--- a/site/news/spark-0-9-0-released.html
+++ b/site/news/spark-0-9-0-released.html
@@ -176,6 +176,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -185,9 +188,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-0-9-1-released.html b/site/news/spark-0-9-1-released.html
index ae6c1e9..fc3d65c 100644
--- a/site/news/spark-0-9-1-released.html
+++ b/site/news/spark-0-9-1-released.html
@@ -175,6 +175,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -184,9 +187,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-0-9-2-released.html b/site/news/spark-0-9-2-released.html
index fb3bd65..632d600 100644
--- a/site/news/spark-0-9-2-released.html
+++ b/site/news/spark-0-9-2-released.html
@@ -174,6 +174,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -183,9 +186,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-0-0-released.html b/site/news/spark-1-0-0-released.html
index ac91645..74ebbe2 100644
--- a/site/news/spark-1-0-0-released.html
+++ b/site/news/spark-1-0-0-released.html
@@ -172,6 +172,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -181,9 +184,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-0-1-released.html b/site/news/spark-1-0-1-released.html
index cbac434..fb8e65f 100644
--- a/site/news/spark-1-0-1-released.html
+++ b/site/news/spark-1-0-1-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-0-2-released.html b/site/news/spark-1-0-2-released.html
index 6dd7b17..5da064e 100644
--- a/site/news/spark-1-0-2-released.html
+++ b/site/news/spark-1-0-2-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-1-0-released.html b/site/news/spark-1-1-0-released.html
index c65e215..4b09dba 100644
--- a/site/news/spark-1-1-0-released.html
+++ b/site/news/spark-1-1-0-released.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-1-1-released.html b/site/news/spark-1-1-1-released.html
index 4c9af5a..e73f9d8 100644
--- a/site/news/spark-1-1-1-released.html
+++ b/site/news/spark-1-1-1-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-2-0-released.html b/site/news/spark-1-2-0-released.html
index d93323c..84575f1 100644
--- a/site/news/spark-1-2-0-released.html
+++ b/site/news/spark-1-2-0-released.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-2-1-released.html b/site/news/spark-1-2-1-released.html
index 45f3f09..cc9188f 100644
--- a/site/news/spark-1-2-1-released.html
+++ b/site/news/spark-1-2-1-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-2-2-released.html b/site/news/spark-1-2-2-released.html
index 01a7bb0..f6adc48 100644
--- a/site/news/spark-1-2-2-released.html
+++ b/site/news/spark-1-2-2-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-3-0-released.html b/site/news/spark-1-3-0-released.html
index 48a2dff..8a194ea 100644
--- a/site/news/spark-1-3-0-released.html
+++ b/site/news/spark-1-3-0-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-4-0-released.html b/site/news/spark-1-4-0-released.html
index 1076aa8..58019a3 100644
--- a/site/news/spark-1-4-0-released.html
+++ b/site/news/spark-1-4-0-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-4-1-released.html b/site/news/spark-1-4-1-released.html
index 609ad98..2e3a585 100644
--- a/site/news/spark-1-4-1-released.html
+++ b/site/news/spark-1-4-1-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-5-0-released.html b/site/news/spark-1-5-0-released.html
index 370e9c9..8644c51 100644
--- a/site/news/spark-1-5-0-released.html
+++ b/site/news/spark-1-5-0-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-5-1-released.html b/site/news/spark-1-5-1-released.html
index 5260aa3..e810e5e 100644
--- a/site/news/spark-1-5-1-released.html
+++ b/site/news/spark-1-5-1-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-5-2-released.html b/site/news/spark-1-5-2-released.html
index 3c7e79f..29035dd 100644
--- a/site/news/spark-1-5-2-released.html
+++ b/site/news/spark-1-5-2-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-6-0-released.html b/site/news/spark-1-6-0-released.html
index a1f966c..e8dc043 100644
--- a/site/news/spark-1-6-0-released.html
+++ b/site/news/spark-1-6-0-released.html
@@ -175,6 +175,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -184,9 +187,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-6-1-released.html b/site/news/spark-1-6-1-released.html
index 69f41f0..c1dc667 100644
--- a/site/news/spark-1-6-1-released.html
+++ b/site/news/spark-1-6-1-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-6-2-released.html b/site/news/spark-1-6-2-released.html
index cab4de8..0afa648 100644
--- a/site/news/spark-1-6-2-released.html
+++ b/site/news/spark-1-6-2-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-1-6-3-released.html b/site/news/spark-1-6-3-released.html
index 449984f..861fddf 100644
--- a/site/news/spark-1-6-3-released.html
+++ b/site/news/spark-1-6-3-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-0-0-released.html b/site/news/spark-2-0-0-released.html
index 220813c..11abfee 100644
--- a/site/news/spark-2-0-0-released.html
+++ b/site/news/spark-2-0-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-0-1-released.html b/site/news/spark-2-0-1-released.html
index 34dcad8..3467f95 100644
--- a/site/news/spark-2-0-1-released.html
+++ b/site/news/spark-2-0-1-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-0-2-released.html b/site/news/spark-2-0-2-released.html
index d20f13b..b41eba1 100644
--- a/site/news/spark-2-0-2-released.html
+++ b/site/news/spark-2-0-2-released.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-1-0-released.html b/site/news/spark-2-1-0-released.html
index 244a478..85d319e 100644
--- a/site/news/spark-2-1-0-released.html
+++ b/site/news/spark-2-1-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-1-1-released.html b/site/news/spark-2-1-1-released.html
index cb1cc54..b3e6382 100644
--- a/site/news/spark-2-1-1-released.html
+++ b/site/news/spark-2-1-1-released.html
@@ -170,6 +170,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -179,9 +182,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-1-2-released.html b/site/news/spark-2-1-2-released.html
index 4a9a3ac..3081d24 100644
--- a/site/news/spark-2-1-2-released.html
+++ b/site/news/spark-2-1-2-released.html
@@ -170,6 +170,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -179,9 +182,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-1-3-released.html b/site/news/spark-2-1-3-released.html
index 9749be5..4688b74 100644
--- a/site/news/spark-2-1-3-released.html
+++ b/site/news/spark-2-1-3-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-2-0-released.html b/site/news/spark-2-2-0-released.html
index d9d27a5..2838a0d 100644
--- a/site/news/spark-2-2-0-released.html
+++ b/site/news/spark-2-2-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-2-1-released.html b/site/news/spark-2-2-1-released.html
index 8aa3260..05b0dd8 100644
--- a/site/news/spark-2-2-1-released.html
+++ b/site/news/spark-2-2-1-released.html
@@ -170,6 +170,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -179,9 +182,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-2-2-released.html b/site/news/spark-2-2-2-released.html
index 49d960f..e513a6a 100644
--- a/site/news/spark-2-2-2-released.html
+++ b/site/news/spark-2-2-2-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-3-0-released.html b/site/news/spark-2-3-0-released.html
index 14a0dba..160fe09 100644
--- a/site/news/spark-2-3-0-released.html
+++ b/site/news/spark-2-3-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-3-1-released.html b/site/news/spark-2-3-1-released.html
index 5980237..248c89c 100644
--- a/site/news/spark-2-3-1-released.html
+++ b/site/news/spark-2-3-1-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-3-2-released.html b/site/news/spark-2-3-2-released.html
index cb879df..c411787 100644
--- a/site/news/spark-2-3-2-released.html
+++ b/site/news/spark-2-3-2-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-3-3-released.html b/site/news/spark-2-3-3-released.html
index 0e5b5b5..ded5be1 100644
--- a/site/news/spark-2-3-3-released.html
+++ b/site/news/spark-2-3-3-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-3-4-released.html b/site/news/spark-2-3-4-released.html
index eb81461..a6bc333 100644
--- a/site/news/spark-2-3-4-released.html
+++ b/site/news/spark-2-3-4-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-4-0-released.html b/site/news/spark-2-4-0-released.html
index 68e46fc..0bfb81e 100644
--- a/site/news/spark-2-4-0-released.html
+++ b/site/news/spark-2-4-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-4-1-released.html b/site/news/spark-2-4-1-released.html
index e9b90d2..7c25954 100644
--- a/site/news/spark-2-4-1-released.html
+++ b/site/news/spark-2-4-1-released.html
@@ -170,6 +170,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -179,9 +182,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-4-2-released.html b/site/news/spark-2-4-2-released.html
index 73d4218..bf568b8 100644
--- a/site/news/spark-2-4-2-released.html
+++ b/site/news/spark-2-4-2-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-4-3-released.html b/site/news/spark-2-4-3-released.html
index 81c5c76..2f6c50e 100644
--- a/site/news/spark-2-4-3-released.html
+++ b/site/news/spark-2-4-3-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-4-4-released.html b/site/news/spark-2-4-4-released.html
index e7b128d..883e267 100644
--- a/site/news/spark-2-4-4-released.html
+++ b/site/news/spark-2-4-4-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-4-5-released.html b/site/news/spark-2-4-5-released.html
index 04bda9b..8af3c61 100644
--- a/site/news/spark-2-4-5-released.html
+++ b/site/news/spark-2-4-5-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-4-6.html b/site/news/spark-2-4-6.html
index 2583b0e..3180107 100644
--- a/site/news/spark-2-4-6.html
+++ b/site/news/spark-2-4-6.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-4-7-released.html b/site/news/spark-2-4-7-released.html
index 161f106..c89e51a 100644
--- a/site/news/spark-2-4-7-released.html
+++ b/site/news/spark-2-4-7-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2-4-8-released.html b/site/news/spark-2-4-8-released.html
index e79ac92..6c89450 100644
--- a/site/news/spark-2-4-8-released.html
+++ b/site/news/spark-2-4-8-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-2.0.0-preview.html b/site/news/spark-2.0.0-preview.html
index 9d491e9..61a3576 100644
--- a/site/news/spark-2.0.0-preview.html
+++ b/site/news/spark-2.0.0-preview.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-0-0-released.html b/site/news/spark-3-0-0-released.html
index 712a272..ac75914 100644
--- a/site/news/spark-3-0-0-released.html
+++ b/site/news/spark-3-0-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-0-1-released.html b/site/news/spark-3-0-1-released.html
index 6d04968..2088782 100644
--- a/site/news/spark-3-0-1-released.html
+++ b/site/news/spark-3-0-1-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-0-2-released.html b/site/news/spark-3-0-2-released.html
index 733f3d9..ed3e44b 100644
--- a/site/news/spark-3-0-2-released.html
+++ b/site/news/spark-3-0-2-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-0-3-released.html b/site/news/spark-3-0-3-released.html
index 1602190..f83ad40 100644
--- a/site/news/spark-3-0-3-released.html
+++ b/site/news/spark-3-0-3-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-1-1-released.html b/site/news/spark-3-1-1-released.html
index 7b2c38d..ae87004 100644
--- a/site/news/spark-3-1-1-released.html
+++ b/site/news/spark-3-1-1-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-1-2-released.html b/site/news/spark-3-1-2-released.html
index 3ea0871..ab241e2 100644
--- a/site/news/spark-3-1-2-released.html
+++ b/site/news/spark-3-1-2-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-2-0-released.html b/site/news/spark-3-2-0-released.html
index fc7eb57..36cd599 100644
--- a/site/news/spark-3-2-0-released.html
+++ b/site/news/spark-3-2-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-2-1-released.html b/site/news/spark-3-2-1-released.html
index 7a088ea..c2392fe 100644
--- a/site/news/spark-3-2-1-released.html
+++ b/site/news/spark-3-2-1-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-2-2-released.html b/site/news/spark-3-2-2-released.html
index 28aa45c..7f7789f 100644
--- a/site/news/spark-3-2-2-released.html
+++ b/site/news/spark-3-2-2-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-2-3-released.html b/site/news/spark-3-2-3-released.html
index 3b138e4..975d140 100644
--- a/site/news/spark-3-2-3-released.html
+++ b/site/news/spark-3-2-3-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-2-4-released.html b/site/news/spark-3-2-4-released.html
index 3d59a83..4bfc463 100644
--- a/site/news/spark-3-2-4-released.html
+++ b/site/news/spark-3-2-4-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-3-0-released.html b/site/news/spark-3-3-0-released.html
index 1b454e0..466d77e 100644
--- a/site/news/spark-3-3-0-released.html
+++ b/site/news/spark-3-3-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-3-1-released.html b/site/news/spark-3-3-1-released.html
index 263ee47..de91830 100644
--- a/site/news/spark-3-3-1-released.html
+++ b/site/news/spark-3-3-1-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-3-2-released.html b/site/news/spark-3-3-2-released.html
index 7e67d10..40844eb 100644
--- a/site/news/spark-3-3-2-released.html
+++ b/site/news/spark-3-3-2-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-3-3-released.html b/site/news/spark-3-3-3-released.html
index 585f9f5..49e269c 100644
--- a/site/news/spark-3-3-3-released.html
+++ b/site/news/spark-3-3-3-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-3-4-released.html b/site/news/spark-3-3-4-released.html
index dc04c63..7352b5e 100644
--- a/site/news/spark-3-3-4-released.html
+++ b/site/news/spark-3-3-4-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-4-0-released.html b/site/news/spark-3-4-0-released.html
index 0a964b0..b8b7cd4 100644
--- a/site/news/spark-3-4-0-released.html
+++ b/site/news/spark-3-4-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-4-1-released.html b/site/news/spark-3-4-1-released.html
index 27b9af3..c0e3c80 100644
--- a/site/news/spark-3-4-1-released.html
+++ b/site/news/spark-3-4-1-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-4-2-released.html b/site/news/spark-3-4-2-released.html
index 0cb8d61..e6e00f8 100644
--- a/site/news/spark-3-4-2-released.html
+++ b/site/news/spark-3-4-2-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-4-3-released.html b/site/news/spark-3-4-3-released.html
index 8dccbe6..e556877 100644
--- a/site/news/spark-3-4-3-released.html
+++ b/site/news/spark-3-4-3-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-4-4-released.html b/site/news/spark-3-4-4-released.html
index 4fb3788..85efb52 100644
--- a/site/news/spark-3-4-4-released.html
+++ b/site/news/spark-3-4-4-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-5-0-released.html b/site/news/spark-3-5-0-released.html
index 1a68ed4..fcbc01e 100644
--- a/site/news/spark-3-5-0-released.html
+++ b/site/news/spark-3-5-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-5-1-released.html b/site/news/spark-3-5-1-released.html
index c0e81ee..879b0ea 100644
--- a/site/news/spark-3-5-1-released.html
+++ b/site/news/spark-3-5-1-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-5-2-released.html b/site/news/spark-3-5-2-released.html
index 67d1c4d..16bf9c3 100644
--- a/site/news/spark-3-5-2-released.html
+++ b/site/news/spark-3-5-2-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-5-3-released.html b/site/news/spark-3-5-3-released.html
index bb91a9c..29422ae 100644
--- a/site/news/spark-3-5-3-released.html
+++ b/site/news/spark-3-5-3-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-5-4-released.html b/site/news/spark-3-5-4-released.html
index 52fc7c9..8f495e8 100644
--- a/site/news/spark-3-5-4-released.html
+++ b/site/news/spark-3-5-4-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-5-5-released.html b/site/news/spark-3-5-5-released.html
index d1b3e95..8212cf6 100644
--- a/site/news/spark-3-5-5-released.html
+++ b/site/news/spark-3-5-5-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-5-6-released.html b/site/news/spark-3-5-6-released.html
index df94064..616aca8 100644
--- a/site/news/spark-3-5-6-released.html
+++ b/site/news/spark-3-5-6-released.html
@@ -170,6 +170,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -179,9 +182,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3-5-7-released.html b/site/news/spark-3-5-7-released.html
index c935ba2..d399d0c 100644
--- a/site/news/spark-3-5-7-released.html
+++ b/site/news/spark-3-5-7-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3.0.0-preview.html b/site/news/spark-3.0.0-preview.html
index d077901..c255026 100644
--- a/site/news/spark-3.0.0-preview.html
+++ b/site/news/spark-3.0.0-preview.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-3.0.0-preview2.html b/site/news/spark-3.0.0-preview2.html
index e8f6008..5835309 100644
--- a/site/news/spark-3.0.0-preview2.html
+++ b/site/news/spark-3.0.0-preview2.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-4-0-0-released.html b/site/news/spark-4-0-0-released.html
index 6ec55f1..8eaabfd 100644
--- a/site/news/spark-4-0-0-released.html
+++ b/site/news/spark-4-0-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-4-0-1-released.html b/site/news/spark-4-0-1-released.html
index 5f5772d..9b4f053 100644
--- a/site/news/spark-4-0-1-released.html
+++ b/site/news/spark-4-0-1-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-4-1-0-preview1-released.html b/site/news/spark-4-1-0-preview1-released.html
index 0b2cdf5..8739be9 100644
--- a/site/news/spark-4-1-0-preview1-released.html
+++ b/site/news/spark-4-1-0-preview1-released.html
@@ -178,6 +178,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -187,9 +190,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-4-1-0-preview2-released.html b/site/news/spark-4-1-0-preview2-released.html
new file mode 100644
index 0000000..8650b34
--- /dev/null
+++ b/site/news/spark-4-1-0-preview2-released.html
@@ -0,0 +1,237 @@
+<!DOCTYPE html>
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+          <li><a class="dropdown-item" href="https://github.com/apache/spark-docker">spark-docker</a></li>
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+          <li><a class="dropdown-item" href="https://github.com/apache/spark-website">spark-website</a></li>
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+      </li>
+    </ul>
+    <ul class="navbar-nav ml-auto">
+      <li class="nav-item dropdown">
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+          <li><a class="dropdown-item" href="https://www.apache.org/">Apache Homepage</a></li>
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+                 href="https://www.apache.org/foundation/sponsorship.html">Sponsorship</a></li>
+          <li><a class="dropdown-item" href="https://www.apache.org/foundation/thanks.html">Thanks</a></li>
+          <li><a class="dropdown-item" href="https://www.apache.org/events/current-event">Event</a></li>
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+</nav>
+
+<div class="container">
+  <div class="row mt-4">
+    <div class="col-12 col-md-9">
+      <h2>Preview release of Spark 4.1.0</h2>
+
+
+<p>To enable wide-scale community testing of the upcoming Spark 4.1.0 release, the Apache Spark community has posted a
+<a href="/spark-4.1.0-preview2">Spark 4.1.0-preview2 release</a>.
+This preview is not a stable release in terms of either API or functionality, but it is meant to give the community early
+access to try the code that will become Spark 4.1.0. If you would like to test the release,
+please <a href="/spark-4.1.0-preview2">download</a> it, and send feedback using either
+<a href="https://spark.apache.org/community.html">mailing lists</a> or
+<a href="https://issues.apache.org/jira/browse/SPARK/?selectedTab=com.atlassian.jira.jira-projects-plugin:summary-panel">JIRA</a>.
+The documentation is available at the <a href="https://spark.apache.org/docs/4.1.0-preview2/">link</a>.</p>
+
+<p>We&#8217;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.</p>
+
+
+<p>
+<br/>
+<a href="/news/">Spark News Archive</a>
+</p>
+
+    </div>
+    <div class="col-12 col-md-3">
+      <div class="news" style="margin-bottom: 20px;">
+        <h5>Latest News</h5>
+        <ul class="list-unstyled">
+          
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
+          <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
+            <span class="small">(Sep 24, 2025)</span></li>
+          
+          <li><a href="/news/spark-4-0-1-released.html">Spark 4.0.1 released</a>
+            <span class="small">(Sep 06, 2025)</span></li>
+          
+          <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 02, 2025)</span></li>
+          
+        </ul>
+        <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
+      </div>
+      <div style="text-align:center; margin-bottom: 20px;">
+        <a href="https://www.apache.org/events/current-event.html">
+          <img src="https://www.apache.org/events/current-event-234x60.png" style="max-width: 100%;"/>
+        </a>
+      </div>
+      <div class="hidden-xs hidden-sm">
+        <a href="/downloads.html" class="btn btn-cta btn-lg d-grid" style="margin-bottom: 30px;">
+          Download Spark
+        </a>
+        <p style="font-size: 16px; font-weight: 500; color: #555;">
+          Built-in Libraries:
+        </p>
+        <ul class="list-none">
+          <li><a href="/sql/">SQL and DataFrames</a></li>
+          <li><a href="/streaming/">Spark Streaming</a></li>
+          <li><a href="/mllib/">MLlib (machine learning)</a></li>
+          <li><a href="/graphx/">GraphX (graph)</a></li>
+        </ul>
+        <a href="/third-party-projects.html">Third-Party Projects</a>
+      </div>
+    </div>
+  </div>
+
+  
+
+  <footer class="small">
+    <hr>
+    Apache Spark, Spark, Apache, the Apache feather logo, and the Apache Spark project logo are either registered
+    trademarks or trademarks of The Apache Software Foundation in the United States and other countries.
+    See guidance on use of Apache Spark <a href="/trademarks.html">trademarks</a>.
+    All other marks mentioned may be trademarks or registered trademarks of their respective owners.
+    Copyright &copy; 2018 The Apache Software Foundation, Licensed under the
+    <a href="https://www.apache.org/licenses/">Apache License, Version 2.0</a>.
+  </footer>
+</div>
+
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+<script src="/js/bootstrap.bundle.min.js"></script>
+<script src="/js/lang-tabs.js"></script>
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+</html>
diff --git a/site/news/spark-4.0.0-preview1.html b/site/news/spark-4.0.0-preview1.html
index bf34076..82b2020 100644
--- a/site/news/spark-4.0.0-preview1.html
+++ b/site/news/spark-4.0.0-preview1.html
@@ -182,6 +182,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -191,9 +194,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-4.0.0-preview2.html b/site/news/spark-4.0.0-preview2.html
index 22c2a12..96e485a 100644
--- a/site/news/spark-4.0.0-preview2.html
+++ b/site/news/spark-4.0.0-preview2.html
@@ -183,6 +183,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -192,9 +195,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-accepted-into-apache-incubator.html b/site/news/spark-accepted-into-apache-incubator.html
index 0a09c1b..4771023 100644
--- a/site/news/spark-accepted-into-apache-incubator.html
+++ b/site/news/spark-accepted-into-apache-incubator.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-ai-summit-apr-2019-agenda-posted.html b/site/news/spark-ai-summit-apr-2019-agenda-posted.html
index eaf665c..d1050d4 100644
--- a/site/news/spark-ai-summit-apr-2019-agenda-posted.html
+++ b/site/news/spark-ai-summit-apr-2019-agenda-posted.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-ai-summit-june-2020-agenda-posted.html b/site/news/spark-ai-summit-june-2020-agenda-posted.html
index 8cc66f7..3b60019 100644
--- a/site/news/spark-ai-summit-june-2020-agenda-posted.html
+++ b/site/news/spark-ai-summit-june-2020-agenda-posted.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-and-shark-in-the-news.html b/site/news/spark-and-shark-in-the-news.html
index e216f68..b909b36 100644
--- a/site/news/spark-and-shark-in-the-news.html
+++ b/site/news/spark-and-shark-in-the-news.html
@@ -179,6 +179,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -188,9 +191,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-becomes-tlp.html b/site/news/spark-becomes-tlp.html
index 96506dc..59e8754 100644
--- a/site/news/spark-becomes-tlp.html
+++ b/site/news/spark-becomes-tlp.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-featured-in-wired.html b/site/news/spark-featured-in-wired.html
index 2cd11f4..ae75650 100644
--- a/site/news/spark-featured-in-wired.html
+++ b/site/news/spark-featured-in-wired.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-mailing-lists-moving-to-apache.html b/site/news/spark-mailing-lists-moving-to-apache.html
index bd80fd9..eea78f9 100644
--- a/site/news/spark-mailing-lists-moving-to-apache.html
+++ b/site/news/spark-mailing-lists-moving-to-apache.html
@@ -180,6 +180,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -189,9 +192,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-meetups.html b/site/news/spark-meetups.html
index 070a444..f8f5301 100644
--- a/site/news/spark-meetups.html
+++ b/site/news/spark-meetups.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-release-2-2-3.html b/site/news/spark-release-2-2-3.html
index f723ff2..3a6deff 100644
--- a/site/news/spark-release-2-2-3.html
+++ b/site/news/spark-release-2-2-3.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-screencasts-published.html b/site/news/spark-screencasts-published.html
index 84cee86..1ae067f 100644
--- a/site/news/spark-screencasts-published.html
+++ b/site/news/spark-screencasts-published.html
@@ -175,6 +175,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -184,9 +187,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-2013-is-a-wrap.html b/site/news/spark-summit-2013-is-a-wrap.html
index 29bb0a1..48dfde1 100644
--- a/site/news/spark-summit-2013-is-a-wrap.html
+++ b/site/news/spark-summit-2013-is-a-wrap.html
@@ -175,6 +175,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -184,9 +187,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-2014-videos-posted.html b/site/news/spark-summit-2014-videos-posted.html
index 2e97fcc..1a5dae0 100644
--- a/site/news/spark-summit-2014-videos-posted.html
+++ b/site/news/spark-summit-2014-videos-posted.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-2015-videos-posted.html b/site/news/spark-summit-2015-videos-posted.html
index d581acc..daa41b4 100644
--- a/site/news/spark-summit-2015-videos-posted.html
+++ b/site/news/spark-summit-2015-videos-posted.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-agenda-posted.html b/site/news/spark-summit-agenda-posted.html
index 5724ac1..44c1e5b 100644
--- a/site/news/spark-summit-agenda-posted.html
+++ b/site/news/spark-summit-agenda-posted.html
@@ -177,6 +177,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -186,9 +189,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-east-2015-videos-posted.html b/site/news/spark-summit-east-2015-videos-posted.html
index 4a64dfd..8118e5e 100644
--- a/site/news/spark-summit-east-2015-videos-posted.html
+++ b/site/news/spark-summit-east-2015-videos-posted.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-east-2016-cfp-closing.html b/site/news/spark-summit-east-2016-cfp-closing.html
index 291ca5a..c18bdeb 100644
--- a/site/news/spark-summit-east-2016-cfp-closing.html
+++ b/site/news/spark-summit-east-2016-cfp-closing.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-east-2017-agenda-posted.html b/site/news/spark-summit-east-2017-agenda-posted.html
index f396fc8..f8fbfd3 100644
--- a/site/news/spark-summit-east-2017-agenda-posted.html
+++ b/site/news/spark-summit-east-2017-agenda-posted.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-east-agenda-posted-2015.html b/site/news/spark-summit-east-agenda-posted-2015.html
index 7a7d6df..e173f52 100644
--- a/site/news/spark-summit-east-agenda-posted-2015.html
+++ b/site/news/spark-summit-east-agenda-posted-2015.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-east-agenda-posted-2016.html b/site/news/spark-summit-east-agenda-posted-2016.html
index f1bb2d1..892d071 100644
--- a/site/news/spark-summit-east-agenda-posted-2016.html
+++ b/site/news/spark-summit-east-agenda-posted-2016.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-eu-2017-agenda-posted.html b/site/news/spark-summit-eu-2017-agenda-posted.html
index 1074a30..0e392a0 100644
--- a/site/news/spark-summit-eu-2017-agenda-posted.html
+++ b/site/news/spark-summit-eu-2017-agenda-posted.html
@@ -170,6 +170,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -179,9 +182,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-europe-agenda-posted.html b/site/news/spark-summit-europe-agenda-posted.html
index 4250cf0..a31187e 100644
--- a/site/news/spark-summit-europe-agenda-posted.html
+++ b/site/news/spark-summit-europe-agenda-posted.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-europe.html b/site/news/spark-summit-europe.html
index 0a8fcac..7af0a6b 100644
--- a/site/news/spark-summit-europe.html
+++ b/site/news/spark-summit-europe.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-june-2016-agenda-posted.html b/site/news/spark-summit-june-2016-agenda-posted.html
index f1b71f4..42382e8 100644
--- a/site/news/spark-summit-june-2016-agenda-posted.html
+++ b/site/news/spark-summit-june-2016-agenda-posted.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-june-2017-agenda-posted.html b/site/news/spark-summit-june-2017-agenda-posted.html
index f5c44c9..4ed0dfa 100644
--- a/site/news/spark-summit-june-2017-agenda-posted.html
+++ b/site/news/spark-summit-june-2017-agenda-posted.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-june-2018-agenda-posted.html b/site/news/spark-summit-june-2018-agenda-posted.html
index 40e1115..78d447e 100644
--- a/site/news/spark-summit-june-2018-agenda-posted.html
+++ b/site/news/spark-summit-june-2018-agenda-posted.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-summit-oct-2018-agenda-posted.html b/site/news/spark-summit-oct-2018-agenda-posted.html
index c64a6b0..b9aa298 100644
--- a/site/news/spark-summit-oct-2018-agenda-posted.html
+++ b/site/news/spark-summit-oct-2018-agenda-posted.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-tips-from-quantifind.html b/site/news/spark-tips-from-quantifind.html
index a26b3d7..eb9bfa0 100644
--- a/site/news/spark-tips-from-quantifind.html
+++ b/site/news/spark-tips-from-quantifind.html
@@ -174,6 +174,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -183,9 +186,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-user-survey-and-powered-by-page.html b/site/news/spark-user-survey-and-powered-by-page.html
index 20a755a..3c276ed 100644
--- a/site/news/spark-user-survey-and-powered-by-page.html
+++ b/site/news/spark-user-survey-and-powered-by-page.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-version-0-6-0-released.html b/site/news/spark-version-0-6-0-released.html
index 0727041..61b6c36 100644
--- a/site/news/spark-version-0-6-0-released.html
+++ b/site/news/spark-version-0-6-0-released.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-wins-cloudsort-100tb-benchmark.html b/site/news/spark-wins-cloudsort-100tb-benchmark.html
index b2a408a..68669ee 100644
--- a/site/news/spark-wins-cloudsort-100tb-benchmark.html
+++ b/site/news/spark-wins-cloudsort-100tb-benchmark.html
@@ -176,6 +176,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -185,9 +188,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/spark-wins-daytona-gray-sort-100tb-benchmark.html b/site/news/spark-wins-daytona-gray-sort-100tb-benchmark.html
index b8483a5..88e0802 100644
--- a/site/news/spark-wins-daytona-gray-sort-100tb-benchmark.html
+++ b/site/news/spark-wins-daytona-gray-sort-100tb-benchmark.html
@@ -175,6 +175,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -184,9 +187,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/strata-exercises-now-available-online.html b/site/news/strata-exercises-now-available-online.html
index cd1f475..1eb88e8 100644
--- a/site/news/strata-exercises-now-available-online.html
+++ b/site/news/strata-exercises-now-available-online.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/submit-talks-to-spark-summit-2014.html b/site/news/submit-talks-to-spark-summit-2014.html
index 6dcf878..88f6071 100644
--- a/site/news/submit-talks-to-spark-summit-2014.html
+++ b/site/news/submit-talks-to-spark-summit-2014.html
@@ -178,6 +178,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -187,9 +190,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/submit-talks-to-spark-summit-2016.html b/site/news/submit-talks-to-spark-summit-2016.html
index 80c140d..c98f834 100644
--- a/site/news/submit-talks-to-spark-summit-2016.html
+++ b/site/news/submit-talks-to-spark-summit-2016.html
@@ -170,6 +170,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -179,9 +182,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/submit-talks-to-spark-summit-east-2016.html b/site/news/submit-talks-to-spark-summit-east-2016.html
index 39a64c5..f60ba75 100644
--- a/site/news/submit-talks-to-spark-summit-east-2016.html
+++ b/site/news/submit-talks-to-spark-summit-east-2016.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/submit-talks-to-spark-summit-eu-2016.html b/site/news/submit-talks-to-spark-summit-eu-2016.html
index e580a36..3e22bc5 100644
--- a/site/news/submit-talks-to-spark-summit-eu-2016.html
+++ b/site/news/submit-talks-to-spark-summit-eu-2016.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/two-weeks-to-spark-summit-2014.html b/site/news/two-weeks-to-spark-summit-2014.html
index d657c51..daff963 100644
--- a/site/news/two-weeks-to-spark-summit-2014.html
+++ b/site/news/two-weeks-to-spark-summit-2014.html
@@ -179,6 +179,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -188,9 +191,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/news/video-from-first-spark-development-meetup.html b/site/news/video-from-first-spark-development-meetup.html
index 5cb59d7..f17ff1e 100644
--- a/site/news/video-from-first-spark-development-meetup.html
+++ b/site/news/video-from-first-spark-development-meetup.html
@@ -169,6 +169,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -178,9 +181,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/pandas-on-spark/index.html b/site/pandas-on-spark/index.html
index e3567d5..1a67ff1 100644
--- a/site/pandas-on-spark/index.html
+++ b/site/pandas-on-spark/index.html
@@ -351,6 +351,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -360,9 +363,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/powered-by.html b/site/powered-by.html
index 6a0e721..34a8201 100644
--- a/site/powered-by.html
+++ b/site/powered-by.html
@@ -520,6 +520,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -529,9 +532,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/release-process.html b/site/release-process.html
index 2527b1b..cdcd2e5 100644
--- a/site/release-process.html
+++ b/site/release-process.html
@@ -719,6 +719,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -728,9 +731,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-3.html b/site/releases/spark-release-0-3.html
index fc0fdc3..7ec490c 100644
--- a/site/releases/spark-release-0-3.html
+++ b/site/releases/spark-release-0-3.html
@@ -220,6 +220,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -229,9 +232,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-5-0.html b/site/releases/spark-release-0-5-0.html
index 14c08d7..53afb88 100644
--- a/site/releases/spark-release-0-5-0.html
+++ b/site/releases/spark-release-0-5-0.html
@@ -192,6 +192,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -201,9 +204,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-5-1.html b/site/releases/spark-release-0-5-1.html
index f4c174c..8020469 100644
--- a/site/releases/spark-release-0-5-1.html
+++ b/site/releases/spark-release-0-5-1.html
@@ -202,6 +202,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -211,9 +214,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-5-2.html b/site/releases/spark-release-0-5-2.html
index a5ec587..353dff2 100644
--- a/site/releases/spark-release-0-5-2.html
+++ b/site/releases/spark-release-0-5-2.html
@@ -171,6 +171,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -180,9 +183,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-6-0.html b/site/releases/spark-release-0-6-0.html
index 57e26dc..ff840f2 100644
--- a/site/releases/spark-release-0-6-0.html
+++ b/site/releases/spark-release-0-6-0.html
@@ -246,6 +246,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -255,9 +258,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-6-1.html b/site/releases/spark-release-0-6-1.html
index e17a772..821832f 100644
--- a/site/releases/spark-release-0-6-1.html
+++ b/site/releases/spark-release-0-6-1.html
@@ -186,6 +186,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -195,9 +198,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-6-2.html b/site/releases/spark-release-0-6-2.html
index d543bc8..9bf91fa 100644
--- a/site/releases/spark-release-0-6-2.html
+++ b/site/releases/spark-release-0-6-2.html
@@ -199,6 +199,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -208,9 +211,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-7-0.html b/site/releases/spark-release-0-7-0.html
index f5f93a3..d648b6d 100644
--- a/site/releases/spark-release-0-7-0.html
+++ b/site/releases/spark-release-0-7-0.html
@@ -268,6 +268,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -277,9 +280,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-7-2.html b/site/releases/spark-release-0-7-2.html
index a3c9be5..0a2191e 100644
--- a/site/releases/spark-release-0-7-2.html
+++ b/site/releases/spark-release-0-7-2.html
@@ -210,6 +210,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -219,9 +222,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-7-3.html b/site/releases/spark-release-0-7-3.html
index 54daf8c..f95d08b 100644
--- a/site/releases/spark-release-0-7-3.html
+++ b/site/releases/spark-release-0-7-3.html
@@ -204,6 +204,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -213,9 +216,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-8-0.html b/site/releases/spark-release-0-8-0.html
index 5c0b162..f516284 100644
--- a/site/releases/spark-release-0-8-0.html
+++ b/site/releases/spark-release-0-8-0.html
@@ -299,6 +299,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -308,9 +311,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-8-1.html b/site/releases/spark-release-0-8-1.html
index a3ece1c..1b5de00 100644
--- a/site/releases/spark-release-0-8-1.html
+++ b/site/releases/spark-release-0-8-1.html
@@ -263,6 +263,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -272,9 +275,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-9-0.html b/site/releases/spark-release-0-9-0.html
index 68ee239..86da8d2 100644
--- a/site/releases/spark-release-0-9-0.html
+++ b/site/releases/spark-release-0-9-0.html
@@ -357,6 +357,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -366,9 +369,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-9-1.html b/site/releases/spark-release-0-9-1.html
index debb256..403fb41 100644
--- a/site/releases/spark-release-0-9-1.html
+++ b/site/releases/spark-release-0-9-1.html
@@ -275,6 +275,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -284,9 +287,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-0-9-2.html b/site/releases/spark-release-0-9-2.html
index 7e322c7..638bae4 100644
--- a/site/releases/spark-release-0-9-2.html
+++ b/site/releases/spark-release-0-9-2.html
@@ -248,6 +248,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -257,9 +260,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-0-0.html b/site/releases/spark-release-1-0-0.html
index c19d70c..9b14a3f 100644
--- a/site/releases/spark-release-1-0-0.html
+++ b/site/releases/spark-release-1-0-0.html
@@ -341,6 +341,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -350,9 +353,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-0-1.html b/site/releases/spark-release-1-0-1.html
index 5861025..e0890c8 100644
--- a/site/releases/spark-release-1-0-1.html
+++ b/site/releases/spark-release-1-0-1.html
@@ -299,6 +299,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -308,9 +311,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-0-2.html b/site/releases/spark-release-1-0-2.html
index 4abf2c9..cf2c413 100644
--- a/site/releases/spark-release-1-0-2.html
+++ b/site/releases/spark-release-1-0-2.html
@@ -256,6 +256,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -265,9 +268,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-1-0.html b/site/releases/spark-release-1-1-0.html
index d9c99a3..8cbab7f 100644
--- a/site/releases/spark-release-1-1-0.html
+++ b/site/releases/spark-release-1-1-0.html
@@ -392,6 +392,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -401,9 +404,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-1-1.html b/site/releases/spark-release-1-1-1.html
index 3e1a8e0..92d06fd 100644
--- a/site/releases/spark-release-1-1-1.html
+++ b/site/releases/spark-release-1-1-1.html
@@ -278,6 +278,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -287,9 +290,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-2-0.html b/site/releases/spark-release-1-2-0.html
index 8e858ef..0ad8c30 100644
--- a/site/releases/spark-release-1-2-0.html
+++ b/site/releases/spark-release-1-2-0.html
@@ -406,6 +406,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -415,9 +418,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-2-1.html b/site/releases/spark-release-1-2-1.html
index 3749902..b61696d 100644
--- a/site/releases/spark-release-1-2-1.html
+++ b/site/releases/spark-release-1-2-1.html
@@ -278,6 +278,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -287,9 +290,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-2-2.html b/site/releases/spark-release-1-2-2.html
index 982bc35..b6a5705 100644
--- a/site/releases/spark-release-1-2-2.html
+++ b/site/releases/spark-release-1-2-2.html
@@ -238,6 +238,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -247,9 +250,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-3-0.html b/site/releases/spark-release-1-3-0.html
index 9ee99d9..c0acdb4 100644
--- a/site/releases/spark-release-1-3-0.html
+++ b/site/releases/spark-release-1-3-0.html
@@ -383,6 +383,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -392,9 +395,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-3-1.html b/site/releases/spark-release-1-3-1.html
index 556c1eb..0b25ed4 100644
--- a/site/releases/spark-release-1-3-1.html
+++ b/site/releases/spark-release-1-3-1.html
@@ -270,6 +270,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -279,9 +282,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-4-0.html b/site/releases/spark-release-1-4-0.html
index 21d4b53..37ec071 100644
--- a/site/releases/spark-release-1-4-0.html
+++ b/site/releases/spark-release-1-4-0.html
@@ -497,6 +497,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -506,9 +509,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-4-1.html b/site/releases/spark-release-1-4-1.html
index 725c15c..79d5954 100644
--- a/site/releases/spark-release-1-4-1.html
+++ b/site/releases/spark-release-1-4-1.html
@@ -302,6 +302,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -311,9 +314,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-5-0.html b/site/releases/spark-release-1-5-0.html
index 481da09..250ca3b 100644
--- a/site/releases/spark-release-1-5-0.html
+++ b/site/releases/spark-release-1-5-0.html
@@ -435,6 +435,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -444,9 +447,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-5-1.html b/site/releases/spark-release-1-5-1.html
index 5c81ce4..961de4c 100644
--- a/site/releases/spark-release-1-5-1.html
+++ b/site/releases/spark-release-1-5-1.html
@@ -174,6 +174,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -183,9 +186,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-5-2.html b/site/releases/spark-release-1-5-2.html
index 0466e17..fc45a27 100644
--- a/site/releases/spark-release-1-5-2.html
+++ b/site/releases/spark-release-1-5-2.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-6-0.html b/site/releases/spark-release-1-6-0.html
index 9a85229..42e584c 100644
--- a/site/releases/spark-release-1-6-0.html
+++ b/site/releases/spark-release-1-6-0.html
@@ -311,6 +311,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -320,9 +323,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-6-1.html b/site/releases/spark-release-1-6-1.html
index 1dee0bc..d770727 100644
--- a/site/releases/spark-release-1-6-1.html
+++ b/site/releases/spark-release-1-6-1.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-6-2.html b/site/releases/spark-release-1-6-2.html
index 0ba72a2..145c862 100644
--- a/site/releases/spark-release-1-6-2.html
+++ b/site/releases/spark-release-1-6-2.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-1-6-3.html b/site/releases/spark-release-1-6-3.html
index 031c073..ca634a6 100644
--- a/site/releases/spark-release-1-6-3.html
+++ b/site/releases/spark-release-1-6-3.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-0-0.html b/site/releases/spark-release-2-0-0.html
index 648e36f..0f5c2b4 100644
--- a/site/releases/spark-release-2-0-0.html
+++ b/site/releases/spark-release-2-0-0.html
@@ -407,6 +407,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -416,9 +419,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-0-1.html b/site/releases/spark-release-2-0-1.html
index 76ab611..6917714 100644
--- a/site/releases/spark-release-2-0-1.html
+++ b/site/releases/spark-release-2-0-1.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-0-2.html b/site/releases/spark-release-2-0-2.html
index 898be79..f1c679f 100644
--- a/site/releases/spark-release-2-0-2.html
+++ b/site/releases/spark-release-2-0-2.html
@@ -175,6 +175,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -184,9 +187,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-1-0.html b/site/releases/spark-release-2-1-0.html
index deff31a..ddcf451 100644
--- a/site/releases/spark-release-2-1-0.html
+++ b/site/releases/spark-release-2-1-0.html
@@ -319,6 +319,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -328,9 +331,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-1-1.html b/site/releases/spark-release-2-1-1.html
index 292ccde..150ffff 100644
--- a/site/releases/spark-release-2-1-1.html
+++ b/site/releases/spark-release-2-1-1.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-1-2.html b/site/releases/spark-release-2-1-2.html
index c2c55f0..468c2aa 100644
--- a/site/releases/spark-release-2-1-2.html
+++ b/site/releases/spark-release-2-1-2.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-1-3.html b/site/releases/spark-release-2-1-3.html
index d6d085a..b48c8f0 100644
--- a/site/releases/spark-release-2-1-3.html
+++ b/site/releases/spark-release-2-1-3.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-2-0.html b/site/releases/spark-release-2-2-0.html
index 3ca231a..6789041 100644
--- a/site/releases/spark-release-2-2-0.html
+++ b/site/releases/spark-release-2-2-0.html
@@ -385,6 +385,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -394,9 +397,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-2-1.html b/site/releases/spark-release-2-2-1.html
index 4cbec5f..b32fdea 100644
--- a/site/releases/spark-release-2-2-1.html
+++ b/site/releases/spark-release-2-2-1.html
@@ -183,6 +183,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -192,9 +195,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-2-2.html b/site/releases/spark-release-2-2-2.html
index 3d737b9..4cfee8a 100644
--- a/site/releases/spark-release-2-2-2.html
+++ b/site/releases/spark-release-2-2-2.html
@@ -175,6 +175,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -184,9 +187,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-2-3.html b/site/releases/spark-release-2-2-3.html
index c11ec84..0855ce2 100644
--- a/site/releases/spark-release-2-2-3.html
+++ b/site/releases/spark-release-2-2-3.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-3-0.html b/site/releases/spark-release-2-3-0.html
index ab871c3..3c61cf0 100644
--- a/site/releases/spark-release-2-3-0.html
+++ b/site/releases/spark-release-2-3-0.html
@@ -395,6 +395,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -404,9 +407,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-3-1.html b/site/releases/spark-release-2-3-1.html
index 989ef58..f891ae8 100644
--- a/site/releases/spark-release-2-3-1.html
+++ b/site/releases/spark-release-2-3-1.html
@@ -183,6 +183,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -192,9 +195,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-3-2.html b/site/releases/spark-release-2-3-2.html
index 3a2c6a4..038eadf 100644
--- a/site/releases/spark-release-2-3-2.html
+++ b/site/releases/spark-release-2-3-2.html
@@ -183,6 +183,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -192,9 +195,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-3-3.html b/site/releases/spark-release-2-3-3.html
index 74eed80..617f195 100644
--- a/site/releases/spark-release-2-3-3.html
+++ b/site/releases/spark-release-2-3-3.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-3-4.html b/site/releases/spark-release-2-3-4.html
index 76d7a2c..6bb765b 100644
--- a/site/releases/spark-release-2-3-4.html
+++ b/site/releases/spark-release-2-3-4.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-4-0.html b/site/releases/spark-release-2-4-0.html
index 78f195e..1335c46 100644
--- a/site/releases/spark-release-2-4-0.html
+++ b/site/releases/spark-release-2-4-0.html
@@ -401,6 +401,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -410,9 +413,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-4-1.html b/site/releases/spark-release-2-4-1.html
index 30eba30..c29f45f 100644
--- a/site/releases/spark-release-2-4-1.html
+++ b/site/releases/spark-release-2-4-1.html
@@ -211,6 +211,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -220,9 +223,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-4-2.html b/site/releases/spark-release-2-4-2.html
index a899fd0..2f2b916 100644
--- a/site/releases/spark-release-2-4-2.html
+++ b/site/releases/spark-release-2-4-2.html
@@ -183,6 +183,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -192,9 +195,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-4-3.html b/site/releases/spark-release-2-4-3.html
index bd395fb..b5ffd2a 100644
--- a/site/releases/spark-release-2-4-3.html
+++ b/site/releases/spark-release-2-4-3.html
@@ -181,6 +181,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -190,9 +193,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-4-4.html b/site/releases/spark-release-2-4-4.html
index 0c9bc23..2a994ac 100644
--- a/site/releases/spark-release-2-4-4.html
+++ b/site/releases/spark-release-2-4-4.html
@@ -187,6 +187,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -196,9 +199,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-4-5.html b/site/releases/spark-release-2-4-5.html
index 7046b12..9c6cbe9 100644
--- a/site/releases/spark-release-2-4-5.html
+++ b/site/releases/spark-release-2-4-5.html
@@ -201,6 +201,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -210,9 +213,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-4-6.html b/site/releases/spark-release-2-4-6.html
index e11cfd3..9a4e505 100644
--- a/site/releases/spark-release-2-4-6.html
+++ b/site/releases/spark-release-2-4-6.html
@@ -209,6 +209,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -218,9 +221,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-4-7.html b/site/releases/spark-release-2-4-7.html
index 83333f3..ad1030c 100644
--- a/site/releases/spark-release-2-4-7.html
+++ b/site/releases/spark-release-2-4-7.html
@@ -251,6 +251,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -260,9 +263,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-2-4-8.html b/site/releases/spark-release-2-4-8.html
index 79f7f41..396ceae 100644
--- a/site/releases/spark-release-2-4-8.html
+++ b/site/releases/spark-release-2-4-8.html
@@ -252,6 +252,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -261,9 +264,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-0-0.html b/site/releases/spark-release-3-0-0.html
index e2ed7c9..668b9a5 100644
--- a/site/releases/spark-release-3-0-0.html
+++ b/site/releases/spark-release-3-0-0.html
@@ -561,6 +561,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -570,9 +573,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-0-1.html b/site/releases/spark-release-3-0-1.html
index 53f4b0d..0c20bbd 100644
--- a/site/releases/spark-release-3-0-1.html
+++ b/site/releases/spark-release-3-0-1.html
@@ -210,6 +210,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -219,9 +222,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-0-2.html b/site/releases/spark-release-3-0-2.html
index 242a637..bcbeef9 100644
--- a/site/releases/spark-release-3-0-2.html
+++ b/site/releases/spark-release-3-0-2.html
@@ -220,6 +220,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -229,9 +232,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-0-3.html b/site/releases/spark-release-3-0-3.html
index 6ace01a..1864027 100644
--- a/site/releases/spark-release-3-0-3.html
+++ b/site/releases/spark-release-3-0-3.html
@@ -237,6 +237,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -246,9 +249,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-1-1.html b/site/releases/spark-release-3-1-1.html
index 23aa71f..6c6f0c0 100644
--- a/site/releases/spark-release-3-1-1.html
+++ b/site/releases/spark-release-3-1-1.html
@@ -598,6 +598,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -607,9 +610,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-1-2.html b/site/releases/spark-release-3-1-2.html
index e957634..ae956a2 100644
--- a/site/releases/spark-release-3-1-2.html
+++ b/site/releases/spark-release-3-1-2.html
@@ -285,6 +285,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -294,9 +297,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-1-3.html b/site/releases/spark-release-3-1-3.html
index 135585c..a4a52f6 100644
--- a/site/releases/spark-release-3-1-3.html
+++ b/site/releases/spark-release-3-1-3.html
@@ -199,6 +199,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -208,9 +211,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-2-0.html b/site/releases/spark-release-3-2-0.html
index 3882b7c..b0d73fa 100644
--- a/site/releases/spark-release-3-2-0.html
+++ b/site/releases/spark-release-3-2-0.html
@@ -571,6 +571,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -580,9 +583,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-2-1.html b/site/releases/spark-release-3-2-1.html
index 36ae874..a3fa996 100644
--- a/site/releases/spark-release-3-2-1.html
+++ b/site/releases/spark-release-3-2-1.html
@@ -204,6 +204,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -213,9 +216,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-2-2.html b/site/releases/spark-release-3-2-2.html
index 1847f7c..4f1bc32 100644
--- a/site/releases/spark-release-3-2-2.html
+++ b/site/releases/spark-release-3-2-2.html
@@ -279,6 +279,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -288,9 +291,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-2-3.html b/site/releases/spark-release-3-2-3.html
index ef6e61a..8e5a48e 100644
--- a/site/releases/spark-release-3-2-3.html
+++ b/site/releases/spark-release-3-2-3.html
@@ -252,6 +252,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -261,9 +264,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-2-4.html b/site/releases/spark-release-3-2-4.html
index e1d8239..d585a06 100644
--- a/site/releases/spark-release-3-2-4.html
+++ b/site/releases/spark-release-3-2-4.html
@@ -214,6 +214,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -223,9 +226,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-3-0.html b/site/releases/spark-release-3-3-0.html
index 36d5838..2997a27 100644
--- a/site/releases/spark-release-3-3-0.html
+++ b/site/releases/spark-release-3-3-0.html
@@ -751,6 +751,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -760,9 +763,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-3-1.html b/site/releases/spark-release-3-3-1.html
index 4251c2e..c5e4143 100644
--- a/site/releases/spark-release-3-3-1.html
+++ b/site/releases/spark-release-3-3-1.html
@@ -261,6 +261,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -270,9 +273,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-3-2.html b/site/releases/spark-release-3-3-2.html
index 0248e10..7d49741 100644
--- a/site/releases/spark-release-3-3-2.html
+++ b/site/releases/spark-release-3-3-2.html
@@ -338,6 +338,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -347,9 +350,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-3-3.html b/site/releases/spark-release-3-3-3.html
index 596716f..984aa96 100644
--- a/site/releases/spark-release-3-3-3.html
+++ b/site/releases/spark-release-3-3-3.html
@@ -193,6 +193,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -202,9 +205,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-3-4.html b/site/releases/spark-release-3-3-4.html
index 8697e1b..3c0078d 100644
--- a/site/releases/spark-release-3-3-4.html
+++ b/site/releases/spark-release-3-3-4.html
@@ -220,6 +220,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -229,9 +232,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-4-0.html b/site/releases/spark-release-3-4-0.html
index 2e1405d..614383e 100644
--- a/site/releases/spark-release-3-4-0.html
+++ b/site/releases/spark-release-3-4-0.html
@@ -579,6 +579,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -588,9 +591,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-4-1.html b/site/releases/spark-release-3-4-1.html
index 94e2bbb..dd06432 100644
--- a/site/releases/spark-release-3-4-1.html
+++ b/site/releases/spark-release-3-4-1.html
@@ -266,6 +266,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -275,9 +278,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-4-2.html b/site/releases/spark-release-3-4-2.html
index f420282..7c873c5 100644
--- a/site/releases/spark-release-3-4-2.html
+++ b/site/releases/spark-release-3-4-2.html
@@ -262,6 +262,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -271,9 +274,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-4-3.html b/site/releases/spark-release-3-4-3.html
index c39c1c8..f094d39 100644
--- a/site/releases/spark-release-3-4-3.html
+++ b/site/releases/spark-release-3-4-3.html
@@ -240,6 +240,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -249,9 +252,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-4-4.html b/site/releases/spark-release-3-4-4.html
index 0c52841..c094f8a 100644
--- a/site/releases/spark-release-3-4-4.html
+++ b/site/releases/spark-release-3-4-4.html
@@ -241,6 +241,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -250,9 +253,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-5-0.html b/site/releases/spark-release-3-5-0.html
index fa2f017..a65f33b 100644
--- a/site/releases/spark-release-3-5-0.html
+++ b/site/releases/spark-release-3-5-0.html
@@ -548,6 +548,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -557,9 +560,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-5-1.html b/site/releases/spark-release-3-5-1.html
index b7f0235..d58726b 100644
--- a/site/releases/spark-release-3-5-1.html
+++ b/site/releases/spark-release-3-5-1.html
@@ -308,6 +308,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -317,9 +320,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-5-2.html b/site/releases/spark-release-3-5-2.html
index 375fcd9..c944a56 100644
--- a/site/releases/spark-release-3-5-2.html
+++ b/site/releases/spark-release-3-5-2.html
@@ -315,6 +315,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -324,9 +327,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-5-3.html b/site/releases/spark-release-3-5-3.html
index 6ce1344..6fbad24 100644
--- a/site/releases/spark-release-3-5-3.html
+++ b/site/releases/spark-release-3-5-3.html
@@ -212,6 +212,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -221,9 +224,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-5-4.html b/site/releases/spark-release-3-5-4.html
index 07b2fed..15be1dc 100644
--- a/site/releases/spark-release-3-5-4.html
+++ b/site/releases/spark-release-3-5-4.html
@@ -223,6 +223,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -232,9 +235,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-5-5.html b/site/releases/spark-release-3-5-5.html
index 73e3342..8774207 100644
--- a/site/releases/spark-release-3-5-5.html
+++ b/site/releases/spark-release-3-5-5.html
@@ -216,6 +216,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -225,9 +228,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-5-6.html b/site/releases/spark-release-3-5-6.html
index 2fa259a..c7f971c 100644
--- a/site/releases/spark-release-3-5-6.html
+++ b/site/releases/spark-release-3-5-6.html
@@ -200,6 +200,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -209,9 +212,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-3-5-7.html b/site/releases/spark-release-3-5-7.html
index 3e8d779..ad6d701 100644
--- a/site/releases/spark-release-3-5-7.html
+++ b/site/releases/spark-release-3-5-7.html
@@ -210,6 +210,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -219,9 +222,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-4-0-0.html b/site/releases/spark-release-4-0-0.html
index 1ad2139..a31f329 100644
--- a/site/releases/spark-release-4-0-0.html
+++ b/site/releases/spark-release-4-0-0.html
@@ -1792,6 +1792,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -1801,9 +1804,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/releases/spark-release-4-0-1.html b/site/releases/spark-release-4-0-1.html
index 87b193b..5013f35 100644
--- a/site/releases/spark-release-4-0-1.html
+++ b/site/releases/spark-release-4-0-1.html
@@ -272,6 +272,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -281,9 +284,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/research.html b/site/research.html
index f8b838e..17d16b3 100644
--- a/site/research.html
+++ b/site/research.html
@@ -217,6 +217,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -226,9 +229,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/screencasts/1-first-steps-with-spark.html b/site/screencasts/1-first-steps-with-spark.html
index 80afcf2..306ff36 100644
--- a/site/screencasts/1-first-steps-with-spark.html
+++ b/site/screencasts/1-first-steps-with-spark.html
@@ -179,6 +179,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -188,9 +191,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/screencasts/2-spark-documentation-overview.html b/site/screencasts/2-spark-documentation-overview.html
index 0c6237a..942256a 100644
--- a/site/screencasts/2-spark-documentation-overview.html
+++ b/site/screencasts/2-spark-documentation-overview.html
@@ -179,6 +179,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -188,9 +191,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/screencasts/3-transformations-and-caching.html b/site/screencasts/3-transformations-and-caching.html
index ab911b7..1dce638 100644
--- a/site/screencasts/3-transformations-and-caching.html
+++ b/site/screencasts/3-transformations-and-caching.html
@@ -175,6 +175,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -184,9 +187,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/screencasts/4-a-standalone-job-in-spark.html b/site/screencasts/4-a-standalone-job-in-spark.html
index 2187847..1991d71 100644
--- a/site/screencasts/4-a-standalone-job-in-spark.html
+++ b/site/screencasts/4-a-standalone-job-in-spark.html
@@ -173,6 +173,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -182,9 +185,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/screencasts/index.html b/site/screencasts/index.html
index 6ebd03a..092b005 100644
--- a/site/screencasts/index.html
+++ b/site/screencasts/index.html
@@ -201,6 +201,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -210,9 +213,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/security.html b/site/security.html
index 8eb397f..4a7510c 100644
--- a/site/security.html
+++ b/site/security.html
@@ -707,6 +707,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -716,9 +719,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/sitemap.xml b/site/sitemap.xml
index 9e54370..e6d4c1c 100644
--- a/site/sitemap.xml
+++ b/site/sitemap.xml
@@ -144,6 +144,10 @@
 </url>
 <!-- Auto-generate sitemap for rest of site content -->
 <url>
+  <loc>https://spark.apache.org/news/spark-4-1-0-preview2-released.html</loc>
+  <changefreq>weekly</changefreq>
+</url>
+<url>
   <loc>https://spark.apache.org/releases/spark-release-3-5-7.html</loc>
   <changefreq>weekly</changefreq>
 </url>
diff --git a/site/spark-connect/index.html b/site/spark-connect/index.html
index eea9339..45827a9 100644
--- a/site/spark-connect/index.html
+++ b/site/spark-connect/index.html
@@ -305,6 +305,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -314,9 +317,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/sql/index.html b/site/sql/index.html
index 50c5db6..f448af5 100644
--- a/site/sql/index.html
+++ b/site/sql/index.html
@@ -315,6 +315,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -324,9 +327,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/streaming/index.html b/site/streaming/index.html
index a205f47..8524fc2 100644
--- a/site/streaming/index.html
+++ b/site/streaming/index.html
@@ -257,6 +257,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -266,9 +269,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/third-party-projects.html b/site/third-party-projects.html
index f01bdf4..1fa2184 100644
--- a/site/third-party-projects.html
+++ b/site/third-party-projects.html
@@ -274,6 +274,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -283,9 +286,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/trademarks.html b/site/trademarks.html
index 81c9ef6..c511811 100644
--- a/site/trademarks.html
+++ b/site/trademarks.html
@@ -219,6 +219,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -228,9 +231,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>
diff --git a/site/versioning-policy.html b/site/versioning-policy.html
index 36ed8d2..1d970fc 100644
--- a/site/versioning-policy.html
+++ b/site/versioning-policy.html
@@ -317,6 +317,9 @@
         <h5>Latest News</h5>
         <ul class="list-unstyled">
           
+          <li><a href="/news/spark-4-1-0-preview2-released.html">Preview release of Spark 4.1.0</a>
+            <span class="small">(Sep 28, 2025)</span></li>
+          
           <li><a href="/news/spark-3-5-7-released.html">Spark 3.5.7 released</a>
             <span class="small">(Sep 24, 2025)</span></li>
           
@@ -326,9 +329,6 @@
           <li><a href="/news/spark-4-1-0-preview1-released.html">Preview release of Spark 4.1.0</a>
             <span class="small">(Sep 02, 2025)</span></li>
           
-          <li><a href="/news/spark-3-5-6-released.html">Spark 3.5.6 released</a>
-            <span class="small">(May 29, 2025)</span></li>
-          
         </ul>
         <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
       </div>