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Posted to commits@spark.apache.org by we...@apache.org on 2019/04/24 14:45:55 UTC

[spark-website] branch asf-site updated: update website for spark 2.4.2 (#198)

This is an automated email from the ASF dual-hosted git repository.

wenchen pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/spark-website.git


The following commit(s) were added to refs/heads/asf-site by this push:
     new 7d73b48  update website for spark 2.4.2 (#198)
7d73b48 is described below

commit 7d73b4831b5f14493ce641c3b8ad99e28ccdde7b
Author: Wenchen Fan <cl...@gmail.com>
AuthorDate: Wed Apr 24 22:45:50 2019 +0800

    update website for spark 2.4.2 (#198)
    
    * update website for spark 2.4.2
    
    * address comments
---
 _layouts/global.html                               |  2 +-
 documentation.md                                   |  1 +
 downloads.md                                       |  4 +++-
 js/downloads.js                                    |  8 +++----
 news/_posts/2019-04-23-spark-2-4-2-released.md     | 14 +++++++++++
 releases/_posts/2019-04-23-spark-release-2-4-2.md  | 22 +++++++++++++++++
 site/committers.html                               |  8 +++----
 site/community.html                                |  8 +++----
 site/contributing.html                             |  8 +++----
 site/developer-tools.html                          |  8 +++----
 site/documentation.html                            |  9 +++----
 site/downloads.html                                | 12 ++++++----
 site/examples.html                                 |  8 +++----
 site/faq.html                                      |  8 +++----
 site/graphx/index.html                             |  8 +++----
 site/history.html                                  |  8 +++----
 site/improvement-proposals.html                    |  8 +++----
 site/index.html                                    |  8 +++----
 site/js/downloads.js                               |  8 +++----
 site/mailing-lists.html                            |  8 +++----
 site/mllib/index.html                              |  8 +++----
 site/news/amp-camp-2013-registration-ope.html      |  8 +++----
 site/news/announcing-the-first-spark-summit.html   |  8 +++----
 site/news/fourth-spark-screencast-published.html   |  8 +++----
 site/news/index.html                               | 17 +++++++++----
 site/news/nsdi-paper.html                          |  8 +++----
 site/news/one-month-to-spark-summit-2015.html      |  8 +++----
 .../news/proposals-open-for-spark-summit-east.html |  8 +++----
 .../registration-open-for-spark-summit-east.html   |  8 +++----
 site/news/run-spark-and-shark-on-amazon-emr.html   |  8 +++----
 site/news/spark-0-6-1-and-0-5-2-released.html      |  8 +++----
 site/news/spark-0-6-2-released.html                |  8 +++----
 site/news/spark-0-7-0-released.html                |  8 +++----
 site/news/spark-0-7-2-released.html                |  8 +++----
 site/news/spark-0-7-3-released.html                |  8 +++----
 site/news/spark-0-8-0-released.html                |  8 +++----
 site/news/spark-0-8-1-released.html                |  8 +++----
 site/news/spark-0-9-0-released.html                |  8 +++----
 site/news/spark-0-9-1-released.html                |  8 +++----
 site/news/spark-0-9-2-released.html                |  8 +++----
 site/news/spark-1-0-0-released.html                |  8 +++----
 site/news/spark-1-0-1-released.html                |  8 +++----
 site/news/spark-1-0-2-released.html                |  8 +++----
 site/news/spark-1-1-0-released.html                |  8 +++----
 site/news/spark-1-1-1-released.html                |  8 +++----
 site/news/spark-1-2-0-released.html                |  8 +++----
 site/news/spark-1-2-1-released.html                |  8 +++----
 site/news/spark-1-2-2-released.html                |  8 +++----
 site/news/spark-1-3-0-released.html                |  8 +++----
 site/news/spark-1-4-0-released.html                |  8 +++----
 site/news/spark-1-4-1-released.html                |  8 +++----
 site/news/spark-1-5-0-released.html                |  8 +++----
 site/news/spark-1-5-1-released.html                |  8 +++----
 site/news/spark-1-5-2-released.html                |  8 +++----
 site/news/spark-1-6-0-released.html                |  8 +++----
 site/news/spark-1-6-1-released.html                |  8 +++----
 site/news/spark-1-6-2-released.html                |  8 +++----
 site/news/spark-1-6-3-released.html                |  8 +++----
 site/news/spark-2-0-0-released.html                |  8 +++----
 site/news/spark-2-0-1-released.html                |  8 +++----
 site/news/spark-2-0-2-released.html                |  8 +++----
 site/news/spark-2-1-0-released.html                |  8 +++----
 site/news/spark-2-1-1-released.html                |  8 +++----
 site/news/spark-2-1-2-released.html                |  8 +++----
 site/news/spark-2-1-3-released.html                |  8 +++----
 site/news/spark-2-2-0-released.html                |  8 +++----
 site/news/spark-2-2-1-released.html                |  8 +++----
 site/news/spark-2-2-2-released.html                |  8 +++----
 site/news/spark-2-3-0-released.html                |  8 +++----
 site/news/spark-2-3-1-released.html                |  8 +++----
 site/news/spark-2-3-2-released.html                |  8 +++----
 site/news/spark-2-3-3-released.html                |  8 +++----
 site/news/spark-2-4-0-released.html                |  8 +++----
 site/news/spark-2-4-1-released.html                |  8 +++----
 ...1-3-released.html => spark-2-4-2-released.html} | 14 +++++------
 site/news/spark-2.0.0-preview.html                 |  8 +++----
 .../news/spark-accepted-into-apache-incubator.html |  8 +++----
 .../spark-ai-summit-apr-2019-agenda-posted.html    |  8 +++----
 site/news/spark-and-shark-in-the-news.html         |  8 +++----
 site/news/spark-becomes-tlp.html                   |  8 +++----
 site/news/spark-featured-in-wired.html             |  8 +++----
 .../news/spark-mailing-lists-moving-to-apache.html |  8 +++----
 site/news/spark-meetups.html                       |  8 +++----
 site/news/spark-release-2-2-3.html                 |  8 +++----
 site/news/spark-screencasts-published.html         |  8 +++----
 site/news/spark-summit-2013-is-a-wrap.html         |  8 +++----
 site/news/spark-summit-2014-videos-posted.html     |  8 +++----
 site/news/spark-summit-2015-videos-posted.html     |  8 +++----
 site/news/spark-summit-agenda-posted.html          |  8 +++----
 .../news/spark-summit-east-2015-videos-posted.html |  8 +++----
 site/news/spark-summit-east-2016-cfp-closing.html  |  8 +++----
 .../news/spark-summit-east-2017-agenda-posted.html |  8 +++----
 site/news/spark-summit-east-agenda-posted.html     |  8 +++----
 site/news/spark-summit-eu-2017-agenda-posted.html  |  8 +++----
 site/news/spark-summit-europe-agenda-posted.html   |  8 +++----
 site/news/spark-summit-europe.html                 |  8 +++----
 .../news/spark-summit-june-2016-agenda-posted.html |  8 +++----
 .../news/spark-summit-june-2017-agenda-posted.html |  8 +++----
 .../news/spark-summit-june-2018-agenda-posted.html |  8 +++----
 site/news/spark-summit-oct-2018-agenda-posted.html |  8 +++----
 site/news/spark-tips-from-quantifind.html          |  8 +++----
 .../spark-user-survey-and-powered-by-page.html     |  8 +++----
 site/news/spark-version-0-6-0-released.html        |  8 +++----
 .../news/spark-wins-cloudsort-100tb-benchmark.html |  8 +++----
 ...ark-wins-daytona-gray-sort-100tb-benchmark.html |  8 +++----
 .../strata-exercises-now-available-online.html     |  8 +++----
 site/news/submit-talks-to-spark-summit-2014.html   |  8 +++----
 site/news/submit-talks-to-spark-summit-2016.html   |  8 +++----
 .../submit-talks-to-spark-summit-east-2016.html    |  8 +++----
 .../news/submit-talks-to-spark-summit-eu-2016.html |  8 +++----
 site/news/two-weeks-to-spark-summit-2014.html      |  8 +++----
 .../video-from-first-spark-development-meetup.html |  8 +++----
 site/powered-by.html                               |  8 +++----
 site/release-process.html                          |  8 +++----
 site/releases/spark-release-0-3.html               |  8 +++----
 site/releases/spark-release-0-5-0.html             |  8 +++----
 site/releases/spark-release-0-5-1.html             |  8 +++----
 site/releases/spark-release-0-5-2.html             |  8 +++----
 site/releases/spark-release-0-6-0.html             |  8 +++----
 site/releases/spark-release-0-6-1.html             |  8 +++----
 site/releases/spark-release-0-6-2.html             |  8 +++----
 site/releases/spark-release-0-7-0.html             |  8 +++----
 site/releases/spark-release-0-7-2.html             |  8 +++----
 site/releases/spark-release-0-7-3.html             |  8 +++----
 site/releases/spark-release-0-8-0.html             |  8 +++----
 site/releases/spark-release-0-8-1.html             |  8 +++----
 site/releases/spark-release-0-9-0.html             |  8 +++----
 site/releases/spark-release-0-9-1.html             |  8 +++----
 site/releases/spark-release-0-9-2.html             |  8 +++----
 site/releases/spark-release-1-0-0.html             |  8 +++----
 site/releases/spark-release-1-0-1.html             |  8 +++----
 site/releases/spark-release-1-0-2.html             |  8 +++----
 site/releases/spark-release-1-1-0.html             |  8 +++----
 site/releases/spark-release-1-1-1.html             |  8 +++----
 site/releases/spark-release-1-2-0.html             |  8 +++----
 site/releases/spark-release-1-2-1.html             |  8 +++----
 site/releases/spark-release-1-2-2.html             |  8 +++----
 site/releases/spark-release-1-3-0.html             |  8 +++----
 site/releases/spark-release-1-3-1.html             |  8 +++----
 site/releases/spark-release-1-4-0.html             |  8 +++----
 site/releases/spark-release-1-4-1.html             |  8 +++----
 site/releases/spark-release-1-5-0.html             |  8 +++----
 site/releases/spark-release-1-5-1.html             |  8 +++----
 site/releases/spark-release-1-5-2.html             |  8 +++----
 site/releases/spark-release-1-6-0.html             |  8 +++----
 site/releases/spark-release-1-6-1.html             |  8 +++----
 site/releases/spark-release-1-6-2.html             |  8 +++----
 site/releases/spark-release-1-6-3.html             |  8 +++----
 site/releases/spark-release-2-0-0.html             |  8 +++----
 site/releases/spark-release-2-0-1.html             |  8 +++----
 site/releases/spark-release-2-0-2.html             |  8 +++----
 site/releases/spark-release-2-1-0.html             |  8 +++----
 site/releases/spark-release-2-1-1.html             |  8 +++----
 site/releases/spark-release-2-1-2.html             |  8 +++----
 site/releases/spark-release-2-1-3.html             |  8 +++----
 site/releases/spark-release-2-2-0.html             |  8 +++----
 site/releases/spark-release-2-2-1.html             |  8 +++----
 site/releases/spark-release-2-2-2.html             |  8 +++----
 site/releases/spark-release-2-2-3.html             |  8 +++----
 site/releases/spark-release-2-3-0.html             |  8 +++----
 site/releases/spark-release-2-3-1.html             |  8 +++----
 site/releases/spark-release-2-3-2.html             |  8 +++----
 site/releases/spark-release-2-3-3.html             |  8 +++----
 site/releases/spark-release-2-4-0.html             |  8 +++----
 site/releases/spark-release-2-4-1.html             |  8 +++----
 ...release-2-3-2.html => spark-release-2-4-2.html} | 28 ++++++++++------------
 site/research.html                                 |  8 +++----
 site/screencasts/1-first-steps-with-spark.html     |  8 +++----
 .../2-spark-documentation-overview.html            |  8 +++----
 .../screencasts/3-transformations-and-caching.html |  8 +++----
 site/screencasts/4-a-standalone-job-in-spark.html  |  8 +++----
 site/screencasts/index.html                        |  8 +++----
 site/security.html                                 |  8 +++----
 site/sitemap.xml                                   |  8 +++++++
 site/sql/index.html                                |  8 +++----
 site/streaming/index.html                          |  8 +++----
 site/third-party-projects.html                     |  8 +++----
 site/trademarks.html                               |  8 +++----
 site/versioning-policy.html                        |  8 +++----
 179 files changed, 765 insertions(+), 710 deletions(-)

diff --git a/_layouts/global.html b/_layouts/global.html
index 088db1a..27d705e 100644
--- a/_layouts/global.html
+++ b/_layouts/global.html
@@ -121,7 +121,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="{{site.baseurl}}/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="{{site.baseurl}}/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="{{site.baseurl}}/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="{{site.baseurl}}/faq.html">Frequently Asked Questions</a></li>
         </ul>
diff --git a/documentation.md b/documentation.md
index 74f5968..f9ae29e 100644
--- a/documentation.md
+++ b/documentation.md
@@ -12,6 +12,7 @@ navigation:
 <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/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/2.3.3/">Spark 2.3.3</a></li>
diff --git a/downloads.md b/downloads.md
index b5ca71e..57e4a06 100644
--- a/downloads.md
+++ b/downloads.md
@@ -26,12 +26,14 @@ $(document).ready(function() {
 
 4. Verify this release using the <span id="sparkDownloadVerify"></span> and [project release KEYS](https://www.apache.org/dist/spark/KEYS).
 
+Note that, Spark is pre-built with Scala 2.12 since version 2.4.2. Previous versions are pre-built with Scala 2.11.
+
 ### Link with Spark
 Spark artifacts are [hosted in Maven Central](https://search.maven.org/search?q=g:org.apache.spark). You can add a Maven dependency with the following coordinates:
 
     groupId: org.apache.spark
     artifactId: spark-core_2.11
-    version: 2.4.1
+    version: 2.4.2
 
 ### Installing with PyPi
 <a href="https://pypi.org/project/pyspark/">PySpark</a> is now available in pypi. To install just run `pip install pyspark`.
diff --git a/js/downloads.js b/js/downloads.js
index 61a6cc1..1373494 100644
--- a/js/downloads.js
+++ b/js/downloads.js
@@ -15,14 +15,14 @@ var sources = {pretty: "Source Code", tag: "sources"};
 var hadoopFree = {pretty: "Pre-build with user-provided Apache Hadoop", tag: "without-hadoop"};
 var hadoop2p6 = {pretty: "Pre-built for Apache Hadoop 2.6", tag: "hadoop2.6"};
 var hadoop2p7 = {pretty: "Pre-built for Apache Hadoop 2.7 and later", tag: "hadoop2.7"};
-var scala2p12_hadoopFree = {pretty: "Pre-build with Scala 2.12 and user-provided Apache Hadoop", tag: "without-hadoop-scala-2.12"};
+var scala2p11_hadoopFree = {pretty: "Pre-build with Scala 2.11 and user-provided Apache Hadoop", tag: "without-hadoop-scala-2.11"};
 
 // 2.2.0+
 var packagesV8 = [hadoop2p7, hadoop2p6, hadoopFree, sources];
-// 2.4.0+
-var packagesV9 = [hadoop2p7, hadoop2p6, hadoopFree, scala2p12_hadoopFree, sources];
+// 2.4.2+
+var packagesV9 = [hadoop2p7, hadoop2p6, hadoopFree, scala2p11_hadoopFree, sources];
 
-addRelease("2.4.1", new Date("03/31/2019"), packagesV9, true);
+addRelease("2.4.2", new Date("04/23/2019"), packagesV9, true);
 addRelease("2.3.3", new Date("02/15/2019"), packagesV8, true);
 
 function append(el, contents) {
diff --git a/news/_posts/2019-04-23-spark-2-4-2-released.md b/news/_posts/2019-04-23-spark-2-4-2-released.md
new file mode 100644
index 0000000..0190611
--- /dev/null
+++ b/news/_posts/2019-04-23-spark-2-4-2-released.md
@@ -0,0 +1,14 @@
+---
+layout: post
+title: Spark 2.4.2 released
+categories:
+- News
+tags: []
+status: publish
+type: post
+published: true
+meta:
+  _edit_last: '4'
+  _wpas_done_all: '1'
+---
+We are happy to announce the availability of <a href="{{site.baseurl}}/releases/spark-release-2-4-2.html" title="Spark Release 2.4.2">Spark 2.4.2</a>! Visit the <a href="{{site.baseurl}}/releases/spark-release-2-4-2.html" title="Spark Release 2.4.2">release notes</a> to read about the new features, or <a href="{{site.baseurl}}/downloads.html">download</a> the release today.
\ No newline at end of file
diff --git a/releases/_posts/2019-04-23-spark-release-2-4-2.md b/releases/_posts/2019-04-23-spark-release-2-4-2.md
new file mode 100644
index 0000000..cccd823
--- /dev/null
+++ b/releases/_posts/2019-04-23-spark-release-2-4-2.md
@@ -0,0 +1,22 @@
+---
+layout: post
+title: Spark Release 2.4.2
+categories: []
+tags: []
+status: publish
+type: post
+published: true
+meta:
+  _edit_last: '4'
+  _wpas_done_all: '1'
+---
+
+Spark 2.4.2 is a maintenance release containing stability fixes. This release is based on the branch-2.4 maintenance branch of Spark. We strongly recommend all 2.4 users to upgrade to this stable release.
+
+### Notable changes
+  - SPARK-27419: When setting spark.executor.heartbeatInterval to a value less than 1 seconds in branch-2.4, it will always fail because the value will be converted to 0 and the heartbeat will always timeout and finally kill the executor.
+  - Revert SPARK-25250: It may cause the job to hang forever, and is reverted in 2.4.2.
+
+You can consult JIRA for the [detailed changes](https://s.apache.org/spark-2.4.2).
+
+We would like to acknowledge all community members for contributing patches to this release.
\ No newline at end of file
diff --git a/site/committers.html b/site/committers.html
index fde415d..faed196 100644
--- a/site/committers.html
+++ b/site/committers.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 153152a..c8ef734 100644
--- a/site/community.html
+++ b/site/community.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 c8ce0d8..70496f1 100644
--- a/site/contributing.html
+++ b/site/contributing.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 ef20828..8a41c8e 100644
--- a/site/developer-tools.html
+++ b/site/developer-tools.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</span></li>
-        
       </ul>
       <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
     </div>
diff --git a/site/documentation.html b/site/documentation.html
index 9401a91..5582b64 100644
--- a/site/documentation.html
+++ b/site/documentation.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</span></li>
-        
       </ul>
       <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
     </div>
@@ -205,6 +205,7 @@
 <p>Setup instructions, programming guides, and other documentation are available for each stable version of Spark below:</p>
 
 <ul>
+  <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/2.3.3/">Spark 2.3.3</a></li>
diff --git a/site/downloads.html b/site/downloads.html
index bd570f1..15d1727 100644
--- a/site/downloads.html
+++ b/site/downloads.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</span></li>
-        
       </ul>
       <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
     </div>
@@ -226,12 +226,14 @@ $(document).ready(function() {
   </li>
 </ol>
 
+<p>Note that, Spark is pre-built with Scala 2.12 since version 2.4.2. Previous versions are pre-built with Scala 2.11.</p>
+
 <h3 id="link-with-spark">Link with Spark</h3>
 <p>Spark artifacts are <a href="https://search.maven.org/search?q=g:org.apache.spark">hosted in Maven Central</a>. You can add a Maven dependency with the following coordinates:</p>
 
 <pre><code>groupId: org.apache.spark
 artifactId: spark-core_2.11
-version: 2.4.1
+version: 2.4.2
 </code></pre>
 
 <h3 id="installing-with-pypi">Installing with PyPi</h3>
diff --git a/site/examples.html b/site/examples.html
index a59cb7f..4468ead 100644
--- a/site/examples.html
+++ b/site/examples.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 6433c55..63335ab 100644
--- a/site/faq.html
+++ b/site/faq.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 4df2ea5..6f1c4b8 100644
--- a/site/graphx/index.html
+++ b/site/graphx/index.html
@@ -109,7 +109,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -165,6 +165,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -174,9 +177,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 db4abe9..08077ef 100644
--- a/site/history.html
+++ b/site/history.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 e954d48..d6a6c1d 100644
--- a/site/improvement-proposals.html
+++ b/site/improvement-proposals.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</span></li>
-        
       </ul>
       <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
     </div>
diff --git a/site/index.html b/site/index.html
index 9521fc5..b8b1236 100644
--- a/site/index.html
+++ b/site/index.html
@@ -108,7 +108,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -164,6 +164,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -173,9 +176,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</span></li>
-        
       </ul>
       <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
     </div>
diff --git a/site/js/downloads.js b/site/js/downloads.js
index 61a6cc1..1373494 100644
--- a/site/js/downloads.js
+++ b/site/js/downloads.js
@@ -15,14 +15,14 @@ var sources = {pretty: "Source Code", tag: "sources"};
 var hadoopFree = {pretty: "Pre-build with user-provided Apache Hadoop", tag: "without-hadoop"};
 var hadoop2p6 = {pretty: "Pre-built for Apache Hadoop 2.6", tag: "hadoop2.6"};
 var hadoop2p7 = {pretty: "Pre-built for Apache Hadoop 2.7 and later", tag: "hadoop2.7"};
-var scala2p12_hadoopFree = {pretty: "Pre-build with Scala 2.12 and user-provided Apache Hadoop", tag: "without-hadoop-scala-2.12"};
+var scala2p11_hadoopFree = {pretty: "Pre-build with Scala 2.11 and user-provided Apache Hadoop", tag: "without-hadoop-scala-2.11"};
 
 // 2.2.0+
 var packagesV8 = [hadoop2p7, hadoop2p6, hadoopFree, sources];
-// 2.4.0+
-var packagesV9 = [hadoop2p7, hadoop2p6, hadoopFree, scala2p12_hadoopFree, sources];
+// 2.4.2+
+var packagesV9 = [hadoop2p7, hadoop2p6, hadoopFree, scala2p11_hadoopFree, sources];
 
-addRelease("2.4.1", new Date("03/31/2019"), packagesV9, true);
+addRelease("2.4.2", new Date("04/23/2019"), packagesV9, true);
 addRelease("2.3.3", new Date("02/15/2019"), packagesV8, true);
 
 function append(el, contents) {
diff --git a/site/mailing-lists.html b/site/mailing-lists.html
index 3faa09d..08943e7 100644
--- a/site/mailing-lists.html
+++ b/site/mailing-lists.html
@@ -109,7 +109,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -165,6 +165,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -174,9 +177,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 19bf92f..4bf2207 100644
--- a/site/mllib/index.html
+++ b/site/mllib/index.html
@@ -109,7 +109,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -165,6 +165,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -174,9 +177,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 4ff84bd..b20403a 100644
--- a/site/news/amp-camp-2013-registration-ope.html
+++ b/site/news/amp-camp-2013-registration-ope.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 62140c7..aa60039 100644
--- a/site/news/announcing-the-first-spark-summit.html
+++ b/site/news/announcing-the-first-spark-summit.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 bff823d..80c6b7d 100644
--- a/site/news/fourth-spark-screencast-published.html
+++ b/site/news/fourth-spark-screencast-published.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 381ef50..ff7de9a 100644
--- a/site/news/index.html
+++ b/site/news/index.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</span></li>
-        
       </ul>
       <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
     </div>
@@ -204,6 +204,15 @@
 
 <article class="hentry">
     <header class="entry-header">
+      <h3 class="entry-title"><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a></h3>
+      <div class="entry-date">April 23, 2019</div>
+    </header>
+    <div class="entry-content"><p>We are happy to announce the availability of <a href="/releases/spark-release-2-4-2.html" title="Spark Release 2.4.2">Spark 2.4.2</a>! Visit the <a href="/releases/spark-release-2-4-2.html" title="Spark Release 2.4.2">release notes</a> to read about the new features, or <a href="/downloads.html">download</a> the release today.</p>
+</div>
+  </article>
+
+<article class="hentry">
+    <header class="entry-header">
       <h3 class="entry-title"><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a></h3>
       <div class="entry-date">March 31, 2019</div>
     </header>
diff --git a/site/news/nsdi-paper.html b/site/news/nsdi-paper.html
index 7c0794a..07ef3de 100644
--- a/site/news/nsdi-paper.html
+++ b/site/news/nsdi-paper.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 fbff98d..a4fbc39 100644
--- a/site/news/one-month-to-spark-summit-2015.html
+++ b/site/news/one-month-to-spark-summit-2015.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 067331d..240472e 100644
--- a/site/news/proposals-open-for-spark-summit-east.html
+++ b/site/news/proposals-open-for-spark-summit-east.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 7238bbe..464be41 100644
--- a/site/news/registration-open-for-spark-summit-east.html
+++ b/site/news/registration-open-for-spark-summit-east.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 d5e3665..805d7d1 100644
--- a/site/news/run-spark-and-shark-on-amazon-emr.html
+++ b/site/news/run-spark-and-shark-on-amazon-emr.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 48b2244..5bba49d 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
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 b42eaeb..915acdc 100644
--- a/site/news/spark-0-6-2-released.html
+++ b/site/news/spark-0-6-2-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 9962f70..e67a9ff 100644
--- a/site/news/spark-0-7-0-released.html
+++ b/site/news/spark-0-7-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 388416b..ea4980f 100644
--- a/site/news/spark-0-7-2-released.html
+++ b/site/news/spark-0-7-2-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 c160eda..7311f47 100644
--- a/site/news/spark-0-7-3-released.html
+++ b/site/news/spark-0-7-3-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 d791b6b..106f99d 100644
--- a/site/news/spark-0-8-0-released.html
+++ b/site/news/spark-0-8-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 52bbf23..442c60e 100644
--- a/site/news/spark-0-8-1-released.html
+++ b/site/news/spark-0-8-1-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 d18e2fc..e016d77 100644
--- a/site/news/spark-0-9-0-released.html
+++ b/site/news/spark-0-9-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 68a09c0..1a36402 100644
--- a/site/news/spark-0-9-1-released.html
+++ b/site/news/spark-0-9-1-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 566d963..54793f6 100644
--- a/site/news/spark-0-9-2-released.html
+++ b/site/news/spark-0-9-2-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 875e214..38a2085 100644
--- a/site/news/spark-1-0-0-released.html
+++ b/site/news/spark-1-0-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 fba8d0f..2e7420d 100644
--- a/site/news/spark-1-0-1-released.html
+++ b/site/news/spark-1-0-1-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 0d95a3e..b105885 100644
--- a/site/news/spark-1-0-2-released.html
+++ b/site/news/spark-1-0-2-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 753a1e0..fadaf4c 100644
--- a/site/news/spark-1-1-0-released.html
+++ b/site/news/spark-1-1-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 6cc8e6f..c3ff7bb 100644
--- a/site/news/spark-1-1-1-released.html
+++ b/site/news/spark-1-1-1-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 dc2e565..b7b4e8a 100644
--- a/site/news/spark-1-2-0-released.html
+++ b/site/news/spark-1-2-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 0236195..32d0c5d 100644
--- a/site/news/spark-1-2-1-released.html
+++ b/site/news/spark-1-2-1-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 ad8ce79..e7a80a2 100644
--- a/site/news/spark-1-2-2-released.html
+++ b/site/news/spark-1-2-2-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 add7d80..9066a61 100644
--- a/site/news/spark-1-3-0-released.html
+++ b/site/news/spark-1-3-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 fa55dbb..d04c170 100644
--- a/site/news/spark-1-4-0-released.html
+++ b/site/news/spark-1-4-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 a2875fc..02493b5 100644
--- a/site/news/spark-1-4-1-released.html
+++ b/site/news/spark-1-4-1-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 2d9652f..7db7306 100644
--- a/site/news/spark-1-5-0-released.html
+++ b/site/news/spark-1-5-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 a6de7a8..956ae4a 100644
--- a/site/news/spark-1-5-1-released.html
+++ b/site/news/spark-1-5-1-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 eec9f51..0a17f56 100644
--- a/site/news/spark-1-5-2-released.html
+++ b/site/news/spark-1-5-2-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 0ade575..c0f76ac 100644
--- a/site/news/spark-1-6-0-released.html
+++ b/site/news/spark-1-6-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 3c6268e..0002266 100644
--- a/site/news/spark-1-6-1-released.html
+++ b/site/news/spark-1-6-1-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 2e80df4..1c6ee44 100644
--- a/site/news/spark-1-6-2-released.html
+++ b/site/news/spark-1-6-2-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 4bf8108..43f7e50 100644
--- a/site/news/spark-1-6-3-released.html
+++ b/site/news/spark-1-6-3-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 e507d2e..1af00f2 100644
--- a/site/news/spark-2-0-0-released.html
+++ b/site/news/spark-2-0-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 877ee54..b0038ea 100644
--- a/site/news/spark-2-0-1-released.html
+++ b/site/news/spark-2-0-1-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 f36b0a2..f765963 100644
--- a/site/news/spark-2-0-2-released.html
+++ b/site/news/spark-2-0-2-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 4920166..11c40d6 100644
--- a/site/news/spark-2-1-0-released.html
+++ b/site/news/spark-2-1-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 6b78fd1..4794b72 100644
--- a/site/news/spark-2-1-1-released.html
+++ b/site/news/spark-2-1-1-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 005d8b2..1e1efa8 100644
--- a/site/news/spark-2-1-2-released.html
+++ b/site/news/spark-2-1-2-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 3d3464b..d781c6d 100644
--- a/site/news/spark-2-1-3-released.html
+++ b/site/news/spark-2-1-3-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 a513b69..0163db2 100644
--- a/site/news/spark-2-2-0-released.html
+++ b/site/news/spark-2-2-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 0a5ff22..b2a7270 100644
--- a/site/news/spark-2-2-1-released.html
+++ b/site/news/spark-2-2-1-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 e236e48..e4deeb9 100644
--- a/site/news/spark-2-2-2-released.html
+++ b/site/news/spark-2-2-2-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 e9d41de..9e43c91 100644
--- a/site/news/spark-2-3-0-released.html
+++ b/site/news/spark-2-3-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 8b81948..21d686e 100644
--- a/site/news/spark-2-3-1-released.html
+++ b/site/news/spark-2-3-1-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 5fd08fc..2899a21 100644
--- a/site/news/spark-2-3-2-released.html
+++ b/site/news/spark-2-3-2-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 6f15ff1..afd6ed7 100644
--- a/site/news/spark-2-3-3-released.html
+++ b/site/news/spark-2-3-3-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 b1f7c75..8e5e24a 100644
--- a/site/news/spark-2-4-0-released.html
+++ b/site/news/spark-2-4-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 278905b..706d159 100644
--- a/site/news/spark-2-4-1-released.html
+++ b/site/news/spark-2-4-1-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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-2-4-2-released.html
similarity index 94%
copy from site/news/spark-2-1-3-released.html
copy to site/news/spark-2-4-2-released.html
index 3d3464b..b00505a 100644
--- a/site/news/spark-2-1-3-released.html
+++ b/site/news/spark-2-4-2-released.html
@@ -6,7 +6,7 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
   <title>
-     Spark 2.1.3 released | Apache Spark
+     Spark 2.4.2 released | Apache Spark
     
   </title>
 
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</span></li>
-        
       </ul>
       <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
     </div>
@@ -200,10 +200,10 @@
   </div>
 
   <div class="col-md-9 col-md-pull-3">
-    <h2>Spark 2.1.3 released</h2>
+    <h2>Spark 2.4.2 released</h2>
 
 
-<p>We are happy to announce the availability of <a href="/releases/spark-release-2-1-3.html" title="Spark Release 2.1.3">Spark 2.1.3</a>! Visit the <a href="/releases/spark-release-2-1-3.html" title="Spark Release 2.1.3">release notes</a> to read about the new features, or <a href="/downloads.html">download</a> the release today.</p>
+<p>We are happy to announce the availability of <a href="/releases/spark-release-2-4-2.html" title="Spark Release 2.4.2">Spark 2.4.2</a>! Visit the <a href="/releases/spark-release-2-4-2.html" title="Spark Release 2.4.2">release notes</a> to read about the new features, or <a href="/downloads.html">download</a> the release today.</p>
 
 
 <p>
diff --git a/site/news/spark-2.0.0-preview.html b/site/news/spark-2.0.0-preview.html
index fa167fb..dcc4245 100644
--- a/site/news/spark-2.0.0-preview.html
+++ b/site/news/spark-2.0.0-preview.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 f8901d5..bb2b495 100644
--- a/site/news/spark-accepted-into-apache-incubator.html
+++ b/site/news/spark-accepted-into-apache-incubator.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 0c8ae36..e7f35d0 100644
--- a/site/news/spark-ai-summit-apr-2019-agenda-posted.html
+++ b/site/news/spark-ai-summit-apr-2019-agenda-posted.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 fa72750..856285f 100644
--- a/site/news/spark-and-shark-in-the-news.html
+++ b/site/news/spark-and-shark-in-the-news.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 95302dc..a6306d9 100644
--- a/site/news/spark-becomes-tlp.html
+++ b/site/news/spark-becomes-tlp.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 bd5b44d..1f3bcd2 100644
--- a/site/news/spark-featured-in-wired.html
+++ b/site/news/spark-featured-in-wired.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 6ed6c67..bc46908 100644
--- a/site/news/spark-mailing-lists-moving-to-apache.html
+++ b/site/news/spark-mailing-lists-moving-to-apache.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 d42020c..cbc90e6 100644
--- a/site/news/spark-meetups.html
+++ b/site/news/spark-meetups.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 e8bc540..6e78d76 100644
--- a/site/news/spark-release-2-2-3.html
+++ b/site/news/spark-release-2-2-3.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 b75f914..ce7b4cf 100644
--- a/site/news/spark-screencasts-published.html
+++ b/site/news/spark-screencasts-published.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 38f5d20..be39ccd 100644
--- a/site/news/spark-summit-2013-is-a-wrap.html
+++ b/site/news/spark-summit-2013-is-a-wrap.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 9b5d8c4..6d902b0 100644
--- a/site/news/spark-summit-2014-videos-posted.html
+++ b/site/news/spark-summit-2014-videos-posted.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 07779f7..6cec429 100644
--- a/site/news/spark-summit-2015-videos-posted.html
+++ b/site/news/spark-summit-2015-videos-posted.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 4a46a5a..4ec8c5a 100644
--- a/site/news/spark-summit-agenda-posted.html
+++ b/site/news/spark-summit-agenda-posted.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 23b94e6..45a16bd 100644
--- a/site/news/spark-summit-east-2015-videos-posted.html
+++ b/site/news/spark-summit-east-2015-videos-posted.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 49d8e1d..e3b43cc 100644
--- a/site/news/spark-summit-east-2016-cfp-closing.html
+++ b/site/news/spark-summit-east-2016-cfp-closing.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 1d1afa9..daa09aa 100644
--- a/site/news/spark-summit-east-2017-agenda-posted.html
+++ b/site/news/spark-summit-east-2017-agenda-posted.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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.html b/site/news/spark-summit-east-agenda-posted.html
index f08eb9f..79b71ea 100644
--- a/site/news/spark-summit-east-agenda-posted.html
+++ b/site/news/spark-summit-east-agenda-posted.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 e85855d..863d6d6 100644
--- a/site/news/spark-summit-eu-2017-agenda-posted.html
+++ b/site/news/spark-summit-eu-2017-agenda-posted.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 9ff22f5..c9da700 100644
--- a/site/news/spark-summit-europe-agenda-posted.html
+++ b/site/news/spark-summit-europe-agenda-posted.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 3eb6db6..e12c615 100644
--- a/site/news/spark-summit-europe.html
+++ b/site/news/spark-summit-europe.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 7bbd08d..a2afd52 100644
--- a/site/news/spark-summit-june-2016-agenda-posted.html
+++ b/site/news/spark-summit-june-2016-agenda-posted.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 33c3536..9f61907 100644
--- a/site/news/spark-summit-june-2017-agenda-posted.html
+++ b/site/news/spark-summit-june-2017-agenda-posted.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 59a0c41..9a889bc 100644
--- a/site/news/spark-summit-june-2018-agenda-posted.html
+++ b/site/news/spark-summit-june-2018-agenda-posted.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 e32dd9e..2401df9 100644
--- a/site/news/spark-summit-oct-2018-agenda-posted.html
+++ b/site/news/spark-summit-oct-2018-agenda-posted.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 5ddcefb..e3c8e97 100644
--- a/site/news/spark-tips-from-quantifind.html
+++ b/site/news/spark-tips-from-quantifind.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 ee95009..f4308d4 100644
--- a/site/news/spark-user-survey-and-powered-by-page.html
+++ b/site/news/spark-user-survey-and-powered-by-page.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 bd25401..9012296 100644
--- a/site/news/spark-version-0-6-0-released.html
+++ b/site/news/spark-version-0-6-0-released.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 0971a37..45621fb 100644
--- a/site/news/spark-wins-cloudsort-100tb-benchmark.html
+++ b/site/news/spark-wins-cloudsort-100tb-benchmark.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 439adb5..f59ec95 100644
--- a/site/news/spark-wins-daytona-gray-sort-100tb-benchmark.html
+++ b/site/news/spark-wins-daytona-gray-sort-100tb-benchmark.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 3bff8f4..4198b2e 100644
--- a/site/news/strata-exercises-now-available-online.html
+++ b/site/news/strata-exercises-now-available-online.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 c135fe3..b6aab79 100644
--- a/site/news/submit-talks-to-spark-summit-2014.html
+++ b/site/news/submit-talks-to-spark-summit-2014.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 a55bab1..11ce5ee 100644
--- a/site/news/submit-talks-to-spark-summit-2016.html
+++ b/site/news/submit-talks-to-spark-summit-2016.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 536d78e..d706a43 100644
--- a/site/news/submit-talks-to-spark-summit-east-2016.html
+++ b/site/news/submit-talks-to-spark-summit-east-2016.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 50808e1..e9e4871 100644
--- a/site/news/submit-talks-to-spark-summit-eu-2016.html
+++ b/site/news/submit-talks-to-spark-summit-eu-2016.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 393527a..f3c2002 100644
--- a/site/news/two-weeks-to-spark-summit-2014.html
+++ b/site/news/two-weeks-to-spark-summit-2014.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 aeaaa9f..6723b8a 100644
--- a/site/news/video-from-first-spark-development-meetup.html
+++ b/site/news/video-from-first-spark-development-meetup.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 f4a1f4b..699a3ab 100644
--- a/site/powered-by.html
+++ b/site/powered-by.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 328f56e..d904835 100644
--- a/site/release-process.html
+++ b/site/release-process.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 1e5bfb8..fe47801 100644
--- a/site/releases/spark-release-0-3.html
+++ b/site/releases/spark-release-0-3.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 63a03b7..23f249b 100644
--- a/site/releases/spark-release-0-5-0.html
+++ b/site/releases/spark-release-0-5-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 07daa4e..a5d7524 100644
--- a/site/releases/spark-release-0-5-1.html
+++ b/site/releases/spark-release-0-5-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 2ee7151..024077b 100644
--- a/site/releases/spark-release-0-5-2.html
+++ b/site/releases/spark-release-0-5-2.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 5d2d0e7..9829022 100644
--- a/site/releases/spark-release-0-6-0.html
+++ b/site/releases/spark-release-0-6-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 94e8f82..6892f15 100644
--- a/site/releases/spark-release-0-6-1.html
+++ b/site/releases/spark-release-0-6-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 c509869..b472b65 100644
--- a/site/releases/spark-release-0-6-2.html
+++ b/site/releases/spark-release-0-6-2.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 ec2df3d..be79756 100644
--- a/site/releases/spark-release-0-7-0.html
+++ b/site/releases/spark-release-0-7-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 15aad05..2151070 100644
--- a/site/releases/spark-release-0-7-2.html
+++ b/site/releases/spark-release-0-7-2.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 bf28c6e..be1508e 100644
--- a/site/releases/spark-release-0-7-3.html
+++ b/site/releases/spark-release-0-7-3.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 fdb27a6..5c1ba21 100644
--- a/site/releases/spark-release-0-8-0.html
+++ b/site/releases/spark-release-0-8-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 5daf5b1..fe1b899 100644
--- a/site/releases/spark-release-0-8-1.html
+++ b/site/releases/spark-release-0-8-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 360a180..b882457 100644
--- a/site/releases/spark-release-0-9-0.html
+++ b/site/releases/spark-release-0-9-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 36ee534..86996f8 100644
--- a/site/releases/spark-release-0-9-1.html
+++ b/site/releases/spark-release-0-9-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 2446d27..d8f6054 100644
--- a/site/releases/spark-release-0-9-2.html
+++ b/site/releases/spark-release-0-9-2.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 8af8765..39f795d 100644
--- a/site/releases/spark-release-1-0-0.html
+++ b/site/releases/spark-release-1-0-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 d938c80..f14147e 100644
--- a/site/releases/spark-release-1-0-1.html
+++ b/site/releases/spark-release-1-0-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 efcf269..41cbe32 100644
--- a/site/releases/spark-release-1-0-2.html
+++ b/site/releases/spark-release-1-0-2.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 f0f2c1d..0904593 100644
--- a/site/releases/spark-release-1-1-0.html
+++ b/site/releases/spark-release-1-1-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 5027877..0ba1ebf 100644
--- a/site/releases/spark-release-1-1-1.html
+++ b/site/releases/spark-release-1-1-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 d0149d1..536d97c 100644
--- a/site/releases/spark-release-1-2-0.html
+++ b/site/releases/spark-release-1-2-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 546de3f..101814c 100644
--- a/site/releases/spark-release-1-2-1.html
+++ b/site/releases/spark-release-1-2-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 7507005..3aae023 100644
--- a/site/releases/spark-release-1-2-2.html
+++ b/site/releases/spark-release-1-2-2.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 bb01a15..9f28636 100644
--- a/site/releases/spark-release-1-3-0.html
+++ b/site/releases/spark-release-1-3-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 494ab6b..a975bf0 100644
--- a/site/releases/spark-release-1-3-1.html
+++ b/site/releases/spark-release-1-3-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 82db0be..644c461 100644
--- a/site/releases/spark-release-1-4-0.html
+++ b/site/releases/spark-release-1-4-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 b5bb83b..bceb7b2 100644
--- a/site/releases/spark-release-1-4-1.html
+++ b/site/releases/spark-release-1-4-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 f5c397f..fc0cf99 100644
--- a/site/releases/spark-release-1-5-0.html
+++ b/site/releases/spark-release-1-5-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 1751abf..48f3fb8 100644
--- a/site/releases/spark-release-1-5-1.html
+++ b/site/releases/spark-release-1-5-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 83ffe04..00861cd 100644
--- a/site/releases/spark-release-1-5-2.html
+++ b/site/releases/spark-release-1-5-2.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 80c692e..d3094c8 100644
--- a/site/releases/spark-release-1-6-0.html
+++ b/site/releases/spark-release-1-6-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 8060c2d..c0ddcdb 100644
--- a/site/releases/spark-release-1-6-1.html
+++ b/site/releases/spark-release-1-6-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 f79a601..86f5124 100644
--- a/site/releases/spark-release-1-6-2.html
+++ b/site/releases/spark-release-1-6-2.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 c165ddb..a6028fe 100644
--- a/site/releases/spark-release-1-6-3.html
+++ b/site/releases/spark-release-1-6-3.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 a08ea2e..79a37e6 100644
--- a/site/releases/spark-release-2-0-0.html
+++ b/site/releases/spark-release-2-0-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 d4850ba..84e1f5b 100644
--- a/site/releases/spark-release-2-0-1.html
+++ b/site/releases/spark-release-2-0-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 e574cac..feeb94a 100644
--- a/site/releases/spark-release-2-0-2.html
+++ b/site/releases/spark-release-2-0-2.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 cd7f0e7..f479fd6 100644
--- a/site/releases/spark-release-2-1-0.html
+++ b/site/releases/spark-release-2-1-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 843e09b..0733c8c 100644
--- a/site/releases/spark-release-2-1-1.html
+++ b/site/releases/spark-release-2-1-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 9b64ef9..e0844f1 100644
--- a/site/releases/spark-release-2-1-2.html
+++ b/site/releases/spark-release-2-1-2.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 2752708..6e488c9 100644
--- a/site/releases/spark-release-2-1-3.html
+++ b/site/releases/spark-release-2-1-3.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 dbb0527..756dcb9 100644
--- a/site/releases/spark-release-2-2-0.html
+++ b/site/releases/spark-release-2-2-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 babe746..f4eee99 100644
--- a/site/releases/spark-release-2-2-1.html
+++ b/site/releases/spark-release-2-2-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 a57bd21..d3c509e 100644
--- a/site/releases/spark-release-2-2-2.html
+++ b/site/releases/spark-release-2-2-2.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 d1c26e6..070c864 100644
--- a/site/releases/spark-release-2-2-3.html
+++ b/site/releases/spark-release-2-2-3.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 cd7c9a2..716a04a 100644
--- a/site/releases/spark-release-2-3-0.html
+++ b/site/releases/spark-release-2-3-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 977b7f4..f091535 100644
--- a/site/releases/spark-release-2-3-1.html
+++ b/site/releases/spark-release-2-3-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 6e91842..c4efc64 100644
--- a/site/releases/spark-release-2-3-2.html
+++ b/site/releases/spark-release-2-3-2.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 9055d4b..7242247 100644
--- a/site/releases/spark-release-2-3-3.html
+++ b/site/releases/spark-release-2-3-3.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 7f62e50..6720d8e 100644
--- a/site/releases/spark-release-2-4-0.html
+++ b/site/releases/spark-release-2-4-0.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 7e40398..ab89dd1 100644
--- a/site/releases/spark-release-2-4-1.html
+++ b/site/releases/spark-release-2-4-1.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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-2-4-2.html
similarity index 90%
copy from site/releases/spark-release-2-3-2.html
copy to site/releases/spark-release-2-4-2.html
index 6e91842..56adac3 100644
--- a/site/releases/spark-release-2-3-2.html
+++ b/site/releases/spark-release-2-4-2.html
@@ -6,7 +6,7 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
   <title>
-     Spark Release 2.3.2 | Apache Spark
+     Spark Release 2.4.2 | Apache Spark
     
   </title>
 
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</span></li>
-        
       </ul>
       <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
     </div>
@@ -200,23 +200,19 @@
   </div>
 
   <div class="col-md-9 col-md-pull-3">
-    <h2>Spark Release 2.3.2</h2>
-
+    <h2>Spark Release 2.4.2</h2>
 
-<p>Spark 2.3.2 is a maintenance release containing stability fixes. This release is based on the branch-2.3 maintenance branch of Spark. We strongly recommend all 2.3.x users to upgrade to this stable release.</p>
 
-<p>You can consult JIRA for the <a href="https://s.apache.org/spark-2.3.2">detailed changes</a>.</p>
-
-<h3 id="know-issues">Know issues</h3>
+<p>Spark 2.4.2 is a maintenance release containing stability fixes. This release is based on the branch-2.4 maintenance branch of Spark. We strongly recommend all 2.4 users to upgrade to this stable release.</p>
 
+<h3 id="notable-changes">Notable changes</h3>
 <ul>
-  <li><strong>SQL</strong>
-    <ul>
-      <li>SPARK-25206: wrong records are returned when Hive metastore schema and parquet schema are in  different letter cases</li>
-    </ul>
-  </li>
+  <li>SPARK-27419: When setting spark.executor.heartbeatInterval to a value less than 1 seconds in branch-2.4, it will always fail because the value will be converted to 0 and the heartbeat will always timeout and finally kill the executor.</li>
+  <li>Revert SPARK-25250: It may cause the job to hang forever, and is reverted in 2.4.2.</li>
 </ul>
 
+<p>You can consult JIRA for the <a href="https://s.apache.org/spark-2.4.2">detailed changes</a>.</p>
+
 <p>We would like to acknowledge all community members for contributing patches to this release.</p>
 
 
diff --git a/site/research.html b/site/research.html
index 1d586a6..9c5069a 100644
--- a/site/research.html
+++ b/site/research.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 a8d9f8f..2545430 100644
--- a/site/screencasts/1-first-steps-with-spark.html
+++ b/site/screencasts/1-first-steps-with-spark.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 6716138..8419d1c 100644
--- a/site/screencasts/2-spark-documentation-overview.html
+++ b/site/screencasts/2-spark-documentation-overview.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 3356f14..8d209ab 100644
--- a/site/screencasts/3-transformations-and-caching.html
+++ b/site/screencasts/3-transformations-and-caching.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 e1a5a44..c4d4d2d 100644
--- a/site/screencasts/4-a-standalone-job-in-spark.html
+++ b/site/screencasts/4-a-standalone-job-in-spark.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 b97a911..b6be1ee 100644
--- a/site/screencasts/index.html
+++ b/site/screencasts/index.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 e15c0a0..c338aaa 100644
--- a/site/security.html
+++ b/site/security.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 124db7a..315039c 100644
--- a/site/sitemap.xml
+++ b/site/sitemap.xml
@@ -139,6 +139,14 @@
 </url>
 <!-- Auto-generate sitemap for rest of site content -->
 <url>
+  <loc>https://spark.apache.org/releases/spark-release-2-4-2.html</loc>
+  <changefreq>weekly</changefreq>
+</url>
+<url>
+  <loc>https://spark.apache.org/news/spark-2-4-2-released.html</loc>
+  <changefreq>weekly</changefreq>
+</url>
+<url>
   <loc>https://spark.apache.org/releases/spark-release-2-4-1.html</loc>
   <changefreq>weekly</changefreq>
 </url>
diff --git a/site/sql/index.html b/site/sql/index.html
index 3725676..24ad627 100644
--- a/site/sql/index.html
+++ b/site/sql/index.html
@@ -109,7 +109,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -165,6 +165,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -174,9 +177,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 d2683a9..0a77d4d 100644
--- a/site/streaming/index.html
+++ b/site/streaming/index.html
@@ -109,7 +109,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -165,6 +165,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -174,9 +177,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 6152c27..08d017f 100644
--- a/site/third-party-projects.html
+++ b/site/third-party-projects.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 73eb949..3c9e35d 100644
--- a/site/trademarks.html
+++ b/site/trademarks.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</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 5b2d09d..9bb20ea 100644
--- a/site/versioning-policy.html
+++ b/site/versioning-policy.html
@@ -106,7 +106,7 @@
           Documentation <b class="caret"></b>
         </a>
         <ul class="dropdown-menu">
-          <li><a href="/docs/latest/">Latest Release (Spark 2.4.1)</a></li>
+          <li><a href="/docs/latest/">Latest Release (Spark 2.4.2)</a></li>
           <li><a href="/documentation.html">Older Versions and Other Resources</a></li>
           <li><a href="/faq.html">Frequently Asked Questions</a></li>
         </ul>
@@ -162,6 +162,9 @@
       <h5>Latest News</h5>
       <ul class="list-unstyled">
         
+          <li><a href="/news/spark-2-4-2-released.html">Spark 2.4.2 released</a>
+          <span class="small">(Apr 23, 2019)</span></li>
+        
           <li><a href="/news/spark-2-4-1-released.html">Spark 2.4.1 released</a>
           <span class="small">(Mar 31, 2019)</span></li>
         
@@ -171,9 +174,6 @@
           <li><a href="/news/spark-release-2-2-3.html">Spark 2.2.3 released</a>
           <span class="small">(Jan 11, 2019)</span></li>
         
-          <li><a href="/news/spark-ai-summit-apr-2019-agenda-posted.html">Spark+AI Summit (April 23-25th, 2019, San Francisco) agenda posted</a>
-          <span class="small">(Dec 19, 2018)</span></li>
-        
       </ul>
       <p class="small" style="text-align: right;"><a href="/news/index.html">Archive</a></p>
     </div>


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