diff --git a/lib/config.tmpl b/lib/config.tmpl
index 8ef0e6a2246be5d5312118f598e9f66f8c04b321_bGliL2NvbmZpZy50bXBs..54271e771474df54def6a2393e672428f441ed28_bGliL2NvbmZpZy50bXBs 100644
--- a/lib/config.tmpl
+++ b/lib/config.tmpl
@@ -12,8 +12,8 @@
   [% toplink = '/' %]
 [% END %]
 
-[% releaseversion = '2.49.2' %]
-[% releaserelnoteversion = '2.49.2' %]
+[% releaseversion = '2.49.3' %]
+[% releaserelnoteversion = '2.49.3' %]
 [% releasename = "SeaMonkey $releaseversion" %]
 [% relnotes = "${toplink}releases/seamonkey$releaserelnoteversion/" %]
 [% download_win = "https://download.mozilla.org/?product=seamonkey-$releaseversion&os=win&lang=en-US" %]
@@ -32,6 +32,6 @@
 [% betaversion = "${betabaseversion}b${betabetaversion}" %]
 [% betaname = "SeaMonkey ${betabaseversion} Beta ${betabetaversion}" %]
 
-[% develbaseversion = '2.57' %]
+[% develbaseversion = '2.58' %]
 [% develversion = "${develbaseversion}a1" %]
 [% develdownloadbase = 'https://archive.mozilla.org/pub/seamonkey/nightly/latest-comm-central-trunk' %]
diff --git a/lib/sitemap.xml b/lib/sitemap.xml
index 8ef0e6a2246be5d5312118f598e9f66f8c04b321_bGliL3NpdGVtYXAueG1s..54271e771474df54def6a2393e672428f441ed28_bGliL3NpdGVtYXAueG1s 100644
--- a/lib/sitemap.xml
+++ b/lib/sitemap.xml
@@ -13,7 +13,10 @@
   <page url="news" title="News" id="news" />
 
   <page url="releases/" title="Download and Releases" id="releases">
-    <page url="releases/2.49.2" title="2.49.2" id="2.49.2" hide="false">
+    <page url="releases/2.49.3" title="2.49.3" id="2.49.3" hide="false">
+      <page url="releases/seamonkey2.49.3/" title="Release Notes" id="seamonkey2.49.3"/>
+    </page>
+    <page url="releases/2.49.2" title="2.49.2" id="2.49.2" hide="true">
       <page url="releases/seamonkey2.49.2/" title="Release Notes" id="seamonkey2.49.2"/>
     </page>
     <page url="releases/2.49.1" title="2.49.1" id="2.49.1" hide="true">
diff --git a/src/news.en.xml b/src/news.en.xml
index 8ef0e6a2246be5d5312118f598e9f66f8c04b321_c3JjL25ld3MuZW4ueG1s..54271e771474df54def6a2393e672428f441ed28_c3JjL25ld3MuZW4ueG1s 100644
--- a/src/news.en.xml
+++ b/src/news.en.xml
@@ -7,6 +7,40 @@
 -->
 
 <newsfeed title="SeaMonkey News" url="http://seamonkey-project.org/news">
+  <entry id="2018-05-04" showfront="true">
+    <headline>SeaMonkey 2.49.3 released</headline>
+    <content type="html" xml:lang="en">
+<![CDATA[<p>
+The SeaMonkey project is proud to present SeaMonkey 2.49.3: The new release of
+the all-in-one Internet suite is
+<a href="http://www.seamonkey-project.org/releases/">available for download
+now</a>! Building on the same Mozilla platform as Firefox 52.7.3 ESR, it
+delivers those same developments in web technologies such as HTML5, hardware
+acceleration and improved JavaScript speed.
+</p>
+<p>
+SeaMonkey 2.49.3 is available in 20 languages, for Windows, Mac OS X and Linux.
+</p>
+<p>
+<font size="+1" color="#ff0000"><b>Automatic upgrades from previous versions
+are, for most configurations, disabled for this release. If you need to
+upgrade from an earlier version, please download the full installer from the
+downloads section and install SeaMonkey 2.49.3 manually over the previous
+version.</b></font><br>
+</p>
+<p>
+For a more complete list of major changes in SeaMonkey 2.49.3, see the
+<a href=http://www.seamonkey-project.org/releases/seamonkey2.49.3/#new>What's
+New in SeaMonkey 2.49.3</a> section of the
+<a href="http://www.seamonkey-project.org/releases/seamonkey2.49.3/">Release
+Notes</a>, which also contain a list of known issues and answers to frequently
+asked questions. For a more general overview of the SeaMonkey project (and <a
+href="http://www.seamonkey-project.org/doc/screenshots">screen shots</a>!),
+visit <a href="http://www.seamonkey-project.org/">www.seamonkey-project.org</a>.
+</p>]]>
+    </content>
+  </entry>
+
   <entry id="2018-02-15" showfront="true">
     <headline>SeaMonkey 2.49.2 released</headline>
     <content type="html" xml:lang="en">
@@ -22,13 +56,6 @@
 SeaMonkey 2.49.2 is available in 20 languages, for Windows, Mac OS X and Linux.
 </p>
 <p>
-<font size="+1" color="#ff0000"><b>Automatic upgrades from previous versions
-are, for most configurations, disabled for this release. If you need to
-upgrade from an earlier version, please download the full installer from the
-downloads section and install SeaMonkey 2.49.2 manually over the previous
-version.</b></font><br>
-</p>
-<p>
 For a more complete list of major changes in SeaMonkey 2.49.2, see the
 <a href=http://www.seamonkey-project.org/releases/seamonkey2.49.2/#new>What's
 New in SeaMonkey 2.49.2</a> section of the
diff --git a/src/releases/2.49.2.en.html b/src/releases/2.49.2.en.html
index 8ef0e6a2246be5d5312118f598e9f66f8c04b321_c3JjL3JlbGVhc2VzLzIuNDkuMi5lbi5odG1s..54271e771474df54def6a2393e672428f441ed28_c3JjL3JlbGVhc2VzLzIuNDkuMi5lbi5odG1s 100644
--- a/src/releases/2.49.2.en.html
+++ b/src/releases/2.49.2.en.html
@@ -2,7 +2,7 @@
 [%- smversion = '2.49.2' -%]
 [%- prettyversion = '2.49.2' -%]
 [%- relnoteversion = '2.49.2' -%]
-[%- mirrorred = true -%]
+[%- mirrorred = false -%]
 [%- uselongversion = false -%]
 [%- releasedate = "February 15, 2018" -%]
 [%- srcsize = "168" -%]
@@ -24,7 +24,7 @@
 <h1><a name="[% smversion %]">SeaMonkey [% prettyversion %]</a></h1>
 <p class="release-date">Released [% releasedate %]</p>
 
-<!-- <div class="important">
+<div class="important">
   <strong class="very-strong shout">Warning!</strong> The SeaMonkey version
   available for download from this page is outdated and may suffer from
   <a href="http://www.mozilla.org/security/known-vulnerabilities/#SeaMonkey">known
@@ -33,7 +33,6 @@
   <br>We strongly advise you to download the <a href="./">current release</a>
   instead.
 </div>
--->
 
 <ul class="toc">
   <li><a href="#official">Official Builds</a></li>
diff --git a/src/releases/2.49.2.en.html b/src/releases/2.49.3.en.html
similarity index 98%
copy from src/releases/2.49.2.en.html
copy to src/releases/2.49.3.en.html
index 8ef0e6a2246be5d5312118f598e9f66f8c04b321_c3JjL3JlbGVhc2VzLzIuNDkuMi5lbi5odG1s..54271e771474df54def6a2393e672428f441ed28_c3JjL3JlbGVhc2VzLzIuNDkuMy5lbi5odG1s 100644
--- a/src/releases/2.49.2.en.html
+++ b/src/releases/2.49.3.en.html
@@ -1,6 +1,6 @@
 [%- PROCESS release.tmpl -%]
-[%- smversion = '2.49.2' -%]
-[%- prettyversion = '2.49.2' -%]
-[%- relnoteversion = '2.49.2' -%]
+[%- smversion = '2.49.3' -%]
+[%- prettyversion = '2.49.3' -%]
+[%- relnoteversion = '2.49.3' -%]
 [%- mirrorred = true -%]
 [%- uselongversion = false -%]
@@ -5,6 +5,6 @@
 [%- mirrorred = true -%]
 [%- uselongversion = false -%]
-[%- releasedate = "February 15, 2018" -%]
+[%- releasedate = "May 4, 2018" -%]
 [%- srcsize = "168" -%]
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
 <html lang="en">
@@ -60,5 +60,5 @@
   <li><font size="+1" color="#ff0000"><b>Automatic upgrades from versions prior
   to 2.48 are, for most configurations, disabled for this release. If you need
   to upgrade from an earlier version, please download the full installer from
-  the downloads section and install SeaMonkey 2.49.2 manually over the previous
+  the downloads section and install SeaMonkey 2.49.3 manually over the previous
   version.</b></font><br>
@@ -64,5 +64,4 @@
   version.</b></font><br>
-
   </li>
 </ul>
 </div>
diff --git a/src/releases/index.en.html b/src/releases/index.en.html
index 8ef0e6a2246be5d5312118f598e9f66f8c04b321_c3JjL3JlbGVhc2VzL2luZGV4LmVuLmh0bWw=..54271e771474df54def6a2393e672428f441ed28_c3JjL3JlbGVhc2VzL2luZGV4LmVuLmh0bWw= 100644
--- a/src/releases/index.en.html
+++ b/src/releases/index.en.html
@@ -4,7 +4,7 @@
 [%- relnoteversion = releaserelnoteversion -%]
 [%- mirrorred = true -%]
 [%- uselongversion = false -%]
-[%- releasedate = "February 15, 2018" -%]
+[%- releasedate = "May 4, 2018" -%]
 [%- betareleasedate = "April 17, 2017" -%]
 [%- srcsize = "168" -%]
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
@@ -415,6 +415,7 @@
 <div class="para" id="old">
   <p>Previously released versions of SeaMonkey:</p>
   <ul class="snav">
+    <li><a href="2.49.2">2.49.2</a></li>
     <li><a href="2.49.1">2.49.1</a></li>
     <li><a href="2.48">2.48</a></li>
     <li><a href="2.48b1">2.48 Beta 1</a></li>
diff --git a/src/releases/seamonkey2.49.2/index.en.html b/src/releases/seamonkey2.49.3/index.en.html
similarity index 85%
copy from src/releases/seamonkey2.49.2/index.en.html
copy to src/releases/seamonkey2.49.3/index.en.html
index 8ef0e6a2246be5d5312118f598e9f66f8c04b321_c3JjL3JlbGVhc2VzL3NlYW1vbmtleTIuNDkuMi9pbmRleC5lbi5odG1s..54271e771474df54def6a2393e672428f441ed28_c3JjL3JlbGVhc2VzL3NlYW1vbmtleTIuNDkuMy9pbmRleC5lbi5odG1s 100644
--- a/src/releases/seamonkey2.49.2/index.en.html
+++ b/src/releases/seamonkey2.49.3/index.en.html
@@ -22,7 +22,7 @@
 <p>
 <font size="+2" color="#ff0000"><b>Automatic upgrades from previous versions
 are, for most configurations, disabled for this release. Please download the
-full installer from the downloads section and install SeaMonkey 2.49.2 manually
+full installer from the downloads section and install SeaMonkey 2.49.3 manually
 over the previous version.</b></font>
 </p>
 </div>
@@ -48,8 +48,8 @@
   <li><a href="https://addons.mozilla.org/en-US/seamonkey/addon/chatzilla/">Chatzilla</a></li>
   <li><a href="https://addons.mozilla.org/en-US/seamonkey/addon/dom-inspector-6622/">DOM Inspector 2.0.16.1</a>
     DOM Inspector 2.0.16.1 available on the Mozilla Add-Ons page is not
-    compatible with SeaMonkey 2.49.2. You need to use version 2.0.17.0 or
+    compatible with SeaMonkey 2.49.3. You need to use version 2.0.17.0 or
     higher. You can install it from
     <a href="https://archive.mozilla.org/pub/seamonkey/releases/2.49.1/distributed/inspector@mozilla.org.xpi">DOM Inspector 2.0.17.1</a>.
     This version is compatible with SeaMonkey 2.1 to 2.53 and Thunderbird
     4.0 to 56.0.
@@ -52,9 +52,9 @@
     higher. You can install it from
     <a href="https://archive.mozilla.org/pub/seamonkey/releases/2.49.1/distributed/inspector@mozilla.org.xpi">DOM Inspector 2.0.17.1</a>.
     This version is compatible with SeaMonkey 2.1 to 2.53 and Thunderbird
     4.0 to 56.0.
-    </li>
-  <li><a href="https://www.mozilla.org/en-US/projects/calendar/">Lightning 5.4</a> </li>
+  </li>
+  <li><a href="https://www.mozilla.org/en-US/projects/calendar/">Lightning 5.4</a></li>
 </ul>
 </p>
 <p>Unless stated otherwise they can be obtained from <a href="https://addons.mozilla.org/">AMO</a>.</p>
@@ -76,7 +76,7 @@
 <a href="../seamonkey[% rnote.relativeto.version %]/#new">[% rnote.relativeto.name %]</a>:
 </p>
 <p>
-SeaMonkey 2.49.2 uses the same backend as Firefox and contains the listed
-<a href="https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/#firefoxesr52.6">Firefox 52.6 ESR security fixes</a>.
+SeaMonkey 2.49.3 uses the same backend as Firefox and contains the relevant
+<a href="https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/#firefoxesr52.7.3">Firefox 52.7.3 ESR security fixes</a>.
 </p>
 <p>
@@ -81,4 +81,4 @@
 </p>
 <p>
-SeaMonkey 2.49.2 shares most parts of the mail and news code with Thunderbird.
+SeaMonkey 2.49.3 shares most parts of the mail and news code with Thunderbird.
 Please read the
@@ -84,7 +84,7 @@
 Please read the
-<a href="https://www.thunderbird.net/en-US/thunderbird/52.6.0/releasenotes/">Thunderbird 52.6 ESR release notes</a> for
+<a href="https://www.thunderbird.net/en-US/thunderbird/52.7.0/releasenotes/">Thunderbird 52.7.0 release notes</a> for
 specific changes and security fixes in this release.
 </p>
 
 <h3>SeaMonkey-specific changes</h3>
 <ul>
@@ -86,15 +86,10 @@
 specific changes and security fixes in this release.
 </p>
 
 <h3>SeaMonkey-specific changes</h3>
 <ul>
-  <li>You were unable to add or edit properties for images and links in the
-    2.49.1 Composer. The problem, tracked in
-    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1417819">bug 1417819</a>,
-    has been fixed. We are sorry for the inconvenience it caused.
-    </li>
   <li>SeaMonkey now uses gtk3 on Linux. If you experience a problem because of
     this please file a bug and link it to
     <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1367257">Switch Linux builds to GTK3 with SeaMonkey 2.49</a>.
     Pleae try another OS theme first. Some of them are buggy and cause problems
     with SeaMonkey, Thunderbird and Firefox.
@@ -96,40 +91,9 @@
   <li>SeaMonkey now uses gtk3 on Linux. If you experience a problem because of
     this please file a bug and link it to
     <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1367257">Switch Linux builds to GTK3 with SeaMonkey 2.49</a>.
     Pleae try another OS theme first. Some of them are buggy and cause problems
     with SeaMonkey, Thunderbird and Firefox.
-    </li>
-  <li>With some Linux themes, the menulist- and history-dropmarker didn't show.
-    It was actually there but only 1 pixel wide. The problem, tracked in
-    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1331208">bug 1331208</a>,
-    has been fixed. As a result the dropmarker in the location bar is now also
-    shown a little wider under Windows.
-    </li>
-  <li>Scrollbars didn't show the buttons under Linux. The problem, tracked in
-    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1269145">bug 1269145</a>,
-    has been fixed. We will try to improve the visual experience in a follow-up
-    version.
-    </li>
-  <li>WebRTC has been disabled by default. It needs an add-on to enable it per
-    site. See the
-    <a href="https://github.com/IsaacSchemm/webrtc-permissions-ui-toggle">webrtc-permissions-ui-toggle add-on</a>.
-    </li>
-  <li>The active title bar was not visually emphasized under Linux or using the
-    Windows XP/Vista/7 Classic theme. We opted to show it with a striped color
-    bar in
-    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1398973">bug 1398973</a>.
-    </li>
-  <li>For security, parts of
-    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1035091">bug 1035091</a>
-    were ported in
-    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1411708">bug 1411708</a>.
-    This might cause problems with add-ons like Stylish which use moz-document.
-    Set the preference &quot;layout.css.moz-document.content.enabled&quot; to
-    &quot;true&quot; to overcome this but be aware that this disables the
-    added security fix.
-    </li>
-  <li>You can remove the tool- and menubar grippies by setting the preference
-    &quot;browser.toolbars.grippyhidden&quot; to &quot;true&quot;.</li>
+  </li>
 </ul>
 
 </div>
@@ -179,5 +143,6 @@
     Releases section</a> on the Calendar Versions page. Alternatively check the <a
     href="https://addons.mozilla.org/en-US/seamonkey/addon/lightning/">Lightning
     add-on page</a> (<em>Development Channel</em> at the bottom of the page).
+  </li>
   <li>For <b>Enigmail</b>, please refer to the <a
     href="http://enigmail.mozdev.org/download/nightly.php.html">Enigmail
@@ -182,6 +147,7 @@
   <li>For <b>Enigmail</b>, please refer to the <a
     href="http://enigmail.mozdev.org/download/nightly.php.html">Enigmail
-    Nightly Builds</a> page.</li>
+    Nightly Builds</a> page.
+  </li>
   <li>For <b>HTML Validator</b> you need to check whether the Firefox version
     that appears on SeaMonkey's about: page is listed on the <a
     href="http://users.skynet.be/mgueury/mozilla/download_090.html">0.9x
@@ -185,7 +151,8 @@
   <li>For <b>HTML Validator</b> you need to check whether the Firefox version
     that appears on SeaMonkey's about: page is listed on the <a
     href="http://users.skynet.be/mgueury/mozilla/download_090.html">0.9x
-    download page</a>. Note that only Windows is supported at this time.</li>
+    download page</a>. Note that only Windows is supported at this time.
+  </li>
 </ul>
 <p>SeaMonkey 2.29 dropped support for the legacy JavaScript Debugger interface
   (JSD1). Hence add-ons that relied on it, like the <b>JavaScript Debugger
@@ -211,7 +178,7 @@
     If you are unsure if the information is needed please back them up before deleting them.
     The problem is tracked in <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1305624">bug 1305624</a>
     but so far no coding error has been found.
-    </li>
+  </li>
   <li>If your are running Windows 7 or lower "Send to > Mail recipient" might not work.
     The problem was originally reported against Thunderbird 52 and is tracked in
     <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1356902">bug 1356902</a>.
@@ -220,10 +187,10 @@
     <a href="https://go.microsoft.com/fwlink/?LinkId=746571">VS2017 x86 runtime</a>.
     The runtime can be installed on any Windows version starting with Windows XP SP3.
     If you already have a VS2015 runtime installed you do not need to upgrade it to a later version.
-    </li>
+  </li>
   <li>If you experience a delay showing the first page after start, please
     delete the Safebrowsing folder in your profile. Bad Safebrowsing data may
     delay showing the first page for up to 30 seconds. The problem is tracked
     in <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1432274">bug 1432274</a>.
     This can occur even if you are not using Safebrowsing because the lists are
     always fetched.
@@ -224,10 +191,10 @@
   <li>If you experience a delay showing the first page after start, please
     delete the Safebrowsing folder in your profile. Bad Safebrowsing data may
     delay showing the first page for up to 30 seconds. The problem is tracked
     in <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1432274">bug 1432274</a>.
     This can occur even if you are not using Safebrowsing because the lists are
     always fetched.
-    </li>
+  </li>
   <li>SeaMonkey does not currently support the WebExtensions add-on api. Some
     popular add-ons like NoScript are no longer shown because of this on
     the SeaMonkey add-ons website. You can usually get them from the
@@ -235,9 +202,9 @@
     when the SeaMonkey and Thunderbird add-ons move to their own site.
     WebExtensions support is also a planned feature but will likely not appear
     in 2018.
-    </li>  
+  </li>
   <li>The SSL 3.0 encryption protocol is no longer supported due to
     security concerns (<a
     href="https://bugzilla.mozilla.org/show_bug.cgi?id=1106470">bug
     1106470</a>). Legacy websites may still rely on it and will not work
     with the newer TLS 1.x protocols. Contact the website administrator
@@ -239,7 +206,8 @@
   <li>The SSL 3.0 encryption protocol is no longer supported due to
     security concerns (<a
     href="https://bugzilla.mozilla.org/show_bug.cgi?id=1106470">bug
     1106470</a>). Legacy websites may still rely on it and will not work
     with the newer TLS 1.x protocols. Contact the website administrator
-    to update their server to resolve the issue at the source.</li>
+    to update their server to resolve the issue at the source.
+  </li>
   <li>The Remember Passwords add-on breaks password handling. Please disable
@@ -245,3 +213,4 @@
   <li>The Remember Passwords add-on breaks password handling. Please disable
-    or uninstall this add-on using the Add-ons Manager.</li>
+    or uninstall this add-on using the Add-ons Manager.
+  </li>
   <li>You cannot set up a new Sync account or pair a device anymore (<a
@@ -247,5 +216,6 @@
   <li>You cannot set up a new Sync account or pair a device anymore (<a
-    href="https://bugzilla.mozilla.org/show_bug.cgi?id=998807">bug 998807</a>).</li>
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=998807">bug 998807</a>).
+  </li>
   <li><strong>Data loss warning:</strong> If you use a profile with this or any later
     version and then try to go back to SeaMonkey 2.40 or earlier, SeaMonkey will rename
     your history file to places.sqlite.corrupt and create a new places.sqlite
@@ -256,9 +226,10 @@
     SeaMonkey. If you decide to go back to a previous version of SeaMonkey, you
     should delete the .msf files for your local folders and POP3 accounts or
     repair the folders using the folder properties dialog in order to avoid
-    potential data loss.</li>
+    potential data loss.
+  </li>
   <li>After creating a news account through clicking a news URL, the MailNews
     account wizard may be broken (the account type will always be News). To
     work around the problem, set the mail.server.serverX.valid pref (where
     X is the internal number of the corresponding news account) to true in
     about:config, or delete the invalid news account (<a
@@ -260,11 +231,16 @@
   <li>After creating a news account through clicking a news URL, the MailNews
     account wizard may be broken (the account type will always be News). To
     work around the problem, set the mail.server.serverX.valid pref (where
     X is the internal number of the corresponding news account) to true in
     about:config, or delete the invalid news account (<a
-    href="https://bugzilla.mozilla.org/show_bug.cgi?id=521861">bug 521861</a>).</li>
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=521861">bug 521861</a>).
+  </li>
+  <li>WebRTC has been disabled by default. It needs an add-on to enable it per
+    site. See the
+    <a href="https://github.com/IsaacSchemm/webrtc-permissions-ui-toggle">webrtc-permissions-ui-toggle add-on</a>.
+  </li>
   <li>Web pages may appear differently in the MailNews feed reader than in the
     browser (<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=662907">bug
     662907</a>). Workaround: Add a "noscript {display:none}" rule to your
     <a href="http://kb.mozillazine.org/UserContent.css">userContent.css</a>
     (note that the Stylish add-on cannot be used here since it does not
@@ -266,8 +242,9 @@
   <li>Web pages may appear differently in the MailNews feed reader than in the
     browser (<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=662907">bug
     662907</a>). Workaround: Add a "noscript {display:none}" rule to your
     <a href="http://kb.mozillazine.org/UserContent.css">userContent.css</a>
     (note that the Stylish add-on cannot be used here since it does not
-    integrate with the MailNews feed reader).</li>
+    integrate with the MailNews feed reader).
+  </li>
   <li>Lightning keyboard shortcuts for accessing the calendar tab from within
     the MailNews window or from the main menu (Ctrl+Shift+C/D) do not work. (<a
@@ -272,4 +249,5 @@
   <li>Lightning keyboard shortcuts for accessing the calendar tab from within
     the MailNews window or from the main menu (Ctrl+Shift+C/D) do not work. (<a
-    href="https://bugzilla.mozilla.org/show_bug.cgi?id=514512">bug 514512</a>).</li>
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=514512">bug 514512</a>).
+  </li>
   <li>If you try to start SeaMonkey using a locked profile, it will crash (see <a
@@ -275,4 +253,5 @@
   <li>If you try to start SeaMonkey using a locked profile, it will crash (see <a
-    href="https://bugzilla.mozilla.org/show_bug.cgi?id=573369">bug 573369</a>).</li>
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=573369">bug 573369</a>).
+  </li>
   <li>Mac OS X and Windows: Citrix Receiver no longer works. As a workaround,
     mark the plugin as <em>Always Enable</em> in the Add-ons Manager (see
@@ -277,6 +256,7 @@
   <li>Mac OS X and Windows: Citrix Receiver no longer works. As a workaround,
     mark the plugin as <em>Always Enable</em> in the Add-ons Manager (see
-    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1025627">bug 1025627</a>).</li>
+    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1025627">bug 1025627</a>).
+  </li>
   <li>Windows:
     <ul>
       <li>Norton/Symantec anti-virus scanners may report that some parts of
@@ -285,7 +265,8 @@
         alarm. You might experience problems with secure websites when this
         happens. To fix the issue, instruct your anti-virus software to
         ignore these files (and move them out of quarantine) and/or switch
-        to another anti-virus software and reinstall SeaMonkey.</li>
+        to another anti-virus software and reinstall SeaMonkey.
+      </li>
     </ul>
   </li>
   <li>Mac:
@@ -295,7 +276,8 @@
         focus from/to a window. Users running Macs with certain older hardware
         will experience this even if they haven't turned
         off hardware acceleration in Preferences (Appearance/Content) (<a
-        href="https://bugzilla.mozilla.org/show_bug.cgi?id=626096">bug 626096</a>).</li>
+        href="https://bugzilla.mozilla.org/show_bug.cgi?id=626096">bug 626096</a>).
+      </li>
     </ul>
   </li>
 </ul>
@@ -321,6 +303,16 @@
     official Firefox downloads that are scanned by the same mechanisms.
   </li>
   <li>
+    For security, parts of
+    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1035091">bug 1035091</a>
+    were ported in
+    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1411708">bug 1411708</a>.
+    This might cause problems with add-ons like Stylish which use moz-document.
+    Set the preference &quot;layout.css.moz-document.content.enabled&quot; to
+    &quot;true&quot; to overcome this but be aware that this disables the
+    added security fix.
+  </li>
+  <li>
     Poorly designed or incompatible extensions can cause problems with
     SeaMonkey, including make it crash, slow down page display, etc.
     If you encounter strange problems relating to parts of SeaMonkey no longer
@@ -412,6 +404,13 @@
     instructions</a>.
     </dd>
   </dt>
+  <dt>Can I remove the tool- and menubar grippies?
+    <dd>
+    You can remove the tool- and menubar grippies by setting the preference
+    &quot;browser.toolbars.grippyhidden&quot; to &quot;true&quot;.
+    </dd>
+  </dt>
+
 </dl>
 </div>
 
diff --git a/src/releases/seamonkey2.49.2/relnote.var b/src/releases/seamonkey2.49.3/relnote.var
similarity index 25%
copy from src/releases/seamonkey2.49.2/relnote.var
copy to src/releases/seamonkey2.49.3/relnote.var
index 8ef0e6a2246be5d5312118f598e9f66f8c04b321_c3JjL3JlbGVhc2VzL3NlYW1vbmtleTIuNDkuMi9yZWxub3RlLnZhcg==..54271e771474df54def6a2393e672428f441ed28_c3JjL3JlbGVhc2VzL3NlYW1vbmtleTIuNDkuMy9yZWxub3RlLnZhcg== 100644
--- a/src/releases/seamonkey2.49.2/relnote.var
+++ b/src/releases/seamonkey2.49.3/relnote.var
@@ -1,11 +1,11 @@
-[%- rnote.baseversion = "2.49.2" -%]
-[%- rnote.basename = "SeaMonkey 2.49.2" -%]
-[%- rnote.version = "2.49.2" -%]
-[%- rnote.name = "SeaMonkey 2.49.2" -%]
-[%- rnote.relativeto.version = "2.49.1" -%]
-[%- rnote.relativeto.name = "SeaMonkey 2.49.1" -%]
-[%- rnote.relativeto.stable.version = "2.49.1" -%]
-[%- rnote.relativeto.stable.name = "SeaMonkey 2.49.1" -%]
+[%- rnote.baseversion = "2.49.3" -%]
+[%- rnote.basename = "SeaMonkey 2.49.3" -%]
+[%- rnote.version = "2.49.3" -%]
+[%- rnote.name = "SeaMonkey 2.49.3" -%]
+[%- rnote.relativeto.version = "2.49.2" -%]
+[%- rnote.relativeto.name = "SeaMonkey 2.49.2" -%]
+[%- rnote.relativeto.stable.version = "2.49.2" -%]
+[%- rnote.relativeto.stable.name = "SeaMonkey 2.49.2" -%]
 [%- changes.sm.ver = "249" -%]
 [%- changes.sm.tm = "2.49"-%]
 [%- changes.tb.ver = "52" -%]