diff --git a/lib/config.tmpl b/lib/config.tmpl
index dc9cebf801ca572c79058e756b68f946d19bdcdc_bGliL2NvbmZpZy50bXBs..548d18bcf2401960b6545e7292c2e793c9592957_bGliL2NvbmZpZy50bXBs 100644
--- a/lib/config.tmpl
+++ b/lib/config.tmpl
@@ -27,7 +27,7 @@
 [% download_linux_mb = 51 %]
 [% download_mac_mb = 49 %]
 
-[% betabaseversion = '2.53.13' %]
+[% betabaseversion = '2.53.14' %]
 [% betabetaversion = '1' %]
 [% betaversion = "${betabaseversion}b${betabetaversion}" %]
 [% betaname = "SeaMonkey ${betabaseversion} Beta ${betabetaversion}" %]
diff --git a/lib/sitemap.xml b/lib/sitemap.xml
index dc9cebf801ca572c79058e756b68f946d19bdcdc_bGliL3NpdGVtYXAueG1s..548d18bcf2401960b6545e7292c2e793c9592957_bGliL3NpdGVtYXAueG1s 100644
--- a/lib/sitemap.xml
+++ b/lib/sitemap.xml
@@ -13,6 +13,9 @@
   <page url="news" title="News" id="news" />
 
   <page url="releases/" title="Download and Releases" id="releases">
+    <page url="releases/2.53.14b1" title="2.53.14 Beta 1" id="2.53.14b1" hide="false">
+      <page url="releases/seamonkey2.53.14/" title="Release Notes" id="seamonkey2.53.14"/>
+    </page>
     <page url="releases/2.53.13" title="2.53.13" id="2.53.13" hide="false">
       <page url="releases/seamonkey2.53.13/" title="Release Notes" id="seamonkey2.53.13"/>
     </page>
diff --git a/src/news.en.xml b/src/news.en.xml
index dc9cebf801ca572c79058e756b68f946d19bdcdc_c3JjL25ld3MuZW4ueG1s..548d18bcf2401960b6545e7292c2e793c9592957_c3JjL25ld3MuZW4ueG1s 100644
--- a/src/news.en.xml
+++ b/src/news.en.xml
@@ -7,6 +7,32 @@
 -->
 
 <newsfeed title="SeaMonkey News" url="http://seamonkey-project.org/news">
+  <entry id="2022-08-31" showfront="true">
+    <headline>SeaMonkey 2.53.14 Beta 1 released</headline>
+    <content type="html" xml:lang="en">
+<![CDATA[<p>
+SeaMonkey 2.53.14 Beta 1 is
+<a href="releases/2.53.14b1">now available for free download</a> on the
+SeaMonkey website.
+</p>
+<p>
+2.53.14 will be an incremental update on the 2.53.x branch and incorporates a
+number of enhancements, changes and fixes to the application as well as those
+from the underlying platform code. Some minor updates to web compatibility, the
+address book and the help documentation. Some changes have been made to the
+interfaces that add-ons use, please test the add-ons that you have installed.
+<b>Before installing the new version make a full backup of your profile and
+thoroughly read and follow the
+<a href="releases/seamonkey2.53.14/">Release Notes</a></b>. We encourage testers
+to <a href="dev/get-involved">get involved</a> in discussing and reporting
+problems as well as further improving the product.
+</p>
+<p>
+SeaMonkey 2.53.14 Beta 1 is available in 23 languages, for Windows, macOS x64
+and Linux.
+</p>]]>
+    </content>
+  </entry>
   <entry id="2022-07-11" showfront="true">
     <headline>SeaMonkey 2.53.13 released</headline>
     <content type="html" xml:lang="en">
@@ -53,7 +79,7 @@
 </p>]]>
     </content>
   </entry>
-  <entry id="2022-06-27" showfront="true">
+  <entry id="2022-06-27" showfront="false">
     <headline>Mercurial Paris Conference 2022</headline>
     <content type="html" xml:lang="en">
 <![CDATA[<p>
@@ -78,7 +104,7 @@
 </p>]]>
     </content>
   </entry>
-  <entry id="2022-06-16" showfront="true">
+  <entry id="2022-06-16" showfront="false">
     <headline>SeaMonkey 2.53.13 Beta 1 released</headline>
     <content type="html" xml:lang="en">
 <![CDATA[<p>
diff --git a/src/releases/2.53.13.en.html b/src/releases/2.53.14b1.en.html
similarity index 90%
copy from src/releases/2.53.13.en.html
copy to src/releases/2.53.14b1.en.html
index dc9cebf801ca572c79058e756b68f946d19bdcdc_c3JjL3JlbGVhc2VzLzIuNTMuMTMuZW4uaHRtbA==..548d18bcf2401960b6545e7292c2e793c9592957_c3JjL3JlbGVhc2VzLzIuNTMuMTRiMS5lbi5odG1s 100644
--- a/src/releases/2.53.13.en.html
+++ b/src/releases/2.53.14b1.en.html
@@ -1,7 +1,7 @@
 [%- PROCESS release.tmpl -%]
-[%- smversion = '2.53.13' -%]
-[%- prettyversion = '2.53.13' -%]
-[%- relnoteversion = '2.53.13' -%]
+[%- smversion = '2.53.14b1' -%]
+[%- prettyversion = '2.53.14 Beta 1' -%]
+[%- relnoteversion = '2.53.14' -%]
 [%- mirrorred = false -%]
 [%- uselongversion = false -%]
 [%- usefulldetails = true -%]
@@ -5,8 +5,8 @@
 [%- mirrorred = false -%]
 [%- uselongversion = false -%]
 [%- usefulldetails = true -%]
-[%- releasedate = "July 11, 2022" -%]
-[%- srcsize = "242" -%]
+[%- releasedate = "August 31, 2022" -%]
+[%- srcsize = "245" -%]
 [%- l10nsrcsize = "14" -%]
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
 <html lang="en">
@@ -103,9 +103,9 @@
 <h2 id="source">Source code</h2>
 <div class="section">
   <p>The source code is available either as a tar package or from the
-    <a href="https://gitlab.com/seamonkey-project/seamonkey-2.53-comm/tree/2_53_13_final/">comm source repository</a>,
-    <a href="https://gitlab.com/seamonkey-project/seamonkey-2.53-mozilla/tree/2_53_13_final/">mozilla source repository</a> and
-    <a href="https://gitlab.com/seamonkey-project/seamonkey-2.53-l10n/tree/2_53_13_final/">l10n source repository</a> on GitLab.
+    <a href="https://gitlab.com/seamonkey-project/seamonkey-2.53-comm/tree/2_53_14_beta_01/">comm source repository</a>,
+    <a href="https://gitlab.com/seamonkey-project/seamonkey-2.53-mozilla/tree/2_53_14_beta_01/">mozilla source repository</a> and
+    <a href="https://gitlab.com/seamonkey-project/seamonkey-2.53-l10n/tree/2_53_14_beta_01/">l10n source repository</a> on GitLab.
   </p>
 
   <ul>
diff --git a/src/releases/index.en.html b/src/releases/index.en.html
index dc9cebf801ca572c79058e756b68f946d19bdcdc_c3JjL3JlbGVhc2VzL2luZGV4LmVuLmh0bWw=..548d18bcf2401960b6545e7292c2e793c9592957_c3JjL3JlbGVhc2VzL2luZGV4LmVuLmh0bWw= 100644
--- a/src/releases/index.en.html
+++ b/src/releases/index.en.html
@@ -6,7 +6,7 @@
 [%- uselongversion = false -%]
 [%- usefulldetails = true -%]
 [%- releasedate = "July 11, 2022" -%]
-[%- betareleasedate = "June 16, 2022" -%]
+[%- betareleasedate = "August 31, 2022" -%]
 [%- srcsize = "242" -%]
 [%- l10nsrcsize = "14" -%]
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
@@ -199,7 +199,8 @@
 <div class="para" id="old">
   <p>Previously released versions of SeaMonkey:</p>
   <ul class="snav">
-    <!-- <li><a href="2.53.13">2.53.13</a></li> -->
+    <!-- <li><a href="2.53.14b1">2.53.14 Beta 1</a></li> -->
+    <li><a href="2.53.13">2.53.13</a></li>
     <li><a href="2.53.13b1">2.53.13 Beta 1</a></li>
     <li><a href="2.53.12">2.53.12</a></li>
     <li><a href="2.53.12b1">2.53.12 Beta 1</a></li>
diff --git a/src/releases/seamonkey2.53.13/index.en.html b/src/releases/seamonkey2.53.14/index.en.html
similarity index 96%
copy from src/releases/seamonkey2.53.13/index.en.html
copy to src/releases/seamonkey2.53.14/index.en.html
index dc9cebf801ca572c79058e756b68f946d19bdcdc_c3JjL3JlbGVhc2VzL3NlYW1vbmtleTIuNTMuMTMvaW5kZXguZW4uaHRtbA==..548d18bcf2401960b6545e7292c2e793c9592957_c3JjL3JlbGVhc2VzL3NlYW1vbmtleTIuNTMuMTQvaW5kZXguZW4uaHRtbA== 100644
--- a/src/releases/seamonkey2.53.13/index.en.html
+++ b/src/releases/seamonkey2.53.14/index.en.html
@@ -27,8 +27,8 @@
 </p>
 
 <p>
-<font color="#ff0000"><b>Automatic upgrades from previous 2.53.x versions are
-enabled for this release.</b></font>
+<font color="#ff0000"><b>Automatic upgrades from previous 2.53.x beta versions
+are enabled for this release.</b></font>
 </p>
 </div>
 
@@ -91,11 +91,13 @@
 <a href="../seamonkey[% rnote.relativeto.version %]/#new">[% rnote.relativeto.name %]</a>:
 </p>
 <ul>
-  <li>Updates to devtools.</li>
-  <li>Updates to build configuration.</li>
-  <li>Starting the switch from Python 2 to Python 3 in the build system.</li>
-  <li>Removal of array comprehensions, legacy iterators and generators <a
-    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1414340">bug 1414340</a>
-    and <a
-    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1098412">bug 1098412</a>.
+  <li>Updates to the following DOM HTML element interfaces: Embed, Object,
+    Anchor, Area, Button, Frame, Canvas, IFrame, Link, Image, MenuItem,
+    TextArea, Source, Select, Option, Script and Html. Please test add-ons.</li>
+  <li>Continue the switch from Python 2 to Python 3 in the build system.</li>
+  <li>Add ESR 102 links to debugQA <a
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1779028">bug 1779028</a>.
+  </li>
+  <li>Remove about plugins from help menu <a
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1779031">bug 1779031</a>.
   </li>
@@ -101,5 +103,17 @@
   </li>
-  <li>Adding initial optional chaining and Promise.allSettled() support.</li>
+  <li>Dead links in cs_nav_prefs_advanced.xhtml [en-US] <a
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1783558">bug 1783558</a>.
+  </li>
+  <li>Dead links in cs_nav_prefs_advanced.xhtml <a
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1786030">bug 1786030</a>.
+  </li>
+  <li>Remove obsolete chat services from SeaMonkey address book <a
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1779034">bug 1779034</a>.
+  </li>
+  <li>Address Book: "Get Map" button is not shown for home addresses <a
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1779319">bug 1779319</a>.
+  </li>
+  <li>Added compatibility for rust 1.63</li>
 </ul>
 <!--
 <p>
diff --git a/src/releases/seamonkey2.53.13/relnote.var b/src/releases/seamonkey2.53.14/relnote.var
similarity index 53%
copy from src/releases/seamonkey2.53.13/relnote.var
copy to src/releases/seamonkey2.53.14/relnote.var
index dc9cebf801ca572c79058e756b68f946d19bdcdc_c3JjL3JlbGVhc2VzL3NlYW1vbmtleTIuNTMuMTMvcmVsbm90ZS52YXI=..548d18bcf2401960b6545e7292c2e793c9592957_c3JjL3JlbGVhc2VzL3NlYW1vbmtleTIuNTMuMTQvcmVsbm90ZS52YXI= 100644
--- a/src/releases/seamonkey2.53.13/relnote.var
+++ b/src/releases/seamonkey2.53.14/relnote.var
@@ -1,9 +1,9 @@
-[%- rnote.baseversion = "2.53.13" -%]
-[%- rnote.basename = "SeaMonkey 2.53.13" -%]
-[%- rnote.version = "2.53.13" -%]
-[%- rnote.name = "SeaMonkey 2.53.13" -%]
-[%- rnote.relativeto.version = "2.53.12" -%]
-[%- rnote.relativeto.name = "SeaMonkey 2.53.12" -%]
+[%- rnote.baseversion = "2.53.14" -%]
+[%- rnote.basename = "SeaMonkey 2.53.14" -%]
+[%- rnote.version = "2.53.14" -%]
+[%- rnote.name = "SeaMonkey 2.53.14 Beta 1" -%]
+[%- rnote.relativeto.version = "2.53.13" -%]
+[%- rnote.relativeto.name = "SeaMonkey 2.53.13" -%]
 [%- rnote.relativeto.stable.version = "2.49.5" -%]
 [%- rnote.relativeto.stable.name = "SeaMonkey 2.49.5" -%]
 [%- changes.sm.ver = "253" -%]