Bug 1726944 - Part 2: Update SeaMonkey website for 2.53.9 final release. r=IanN

src/news.en.xml

@@ -17,10 +17,12 @@ the all-in-one Internet suite is
 now</a>! 2.53.9 is an incremental update from the 2.53.x branch and incorporates
 a number of changes, including the ability to clear browser history during
 shutdown and enhancements to the ChatZilla client, and fixes from the underlying
-platform code. <font color="#ff0000"><strong>Before installing it make a full
-backup of your profile and thoroughly read and follow the <a
-href="releases/seamonkey2.53.9/">Release Notes</a></strong></font>.
+platform code. Read the full <a href="releases/seamonkey2.53.9/">Release Notes<
+/a> for further information.
 </p>
+<font color="#ff0000"><strong><p>If you are upgrading from a 2.49.5 or older
+release we strongly advise you to make a full backup of your profile before
+installing the new version.</p></strong></font>.
 <p>
 SeaMonkey 2.53.9 is available in 23 languages, for Windows, macOS x64 and Linux.
 </p>
@@ -33,7 +35,7 @@ version.</b><br>
 </p>
 <p>
 For a more complete list of major changes in SeaMonkey 2.53.9, see the
-<a href="releases/seamonkey2.53.9/#new>What's New in SeaMonkey 2.53.9</a>
+<a href="releases/seamonkey2.53.9/#new">What's New in SeaMonkey 2.53.9</a>
 section of the <a href="releases/seamonkey2.53.9/">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

src/releases/2.53.9.en.html

@@ -66,20 +66,20 @@
   this download only. The settings are located in the NoScript options under
   "Advanced->HTTPS".
   </li>
-  <li>This release includes official Linux x64 and Windows x64 builds.
+  <li>This release includes official Linux and Windows builds for both x86 and
+  x64 versions.
   <br>If on Linux make sure you download the appropriate installer from the
   download section. Most recent Linux distributions are provided in x64
   (64-bit) versions only. If you choose the wrong version SeaMonkey will
   likely not start. The x86 (32-bit) version can be used in some x64
-  distributions only.<br>
-  The Windows x64 version is supported on Windows 7 x64 and higher only.
-  It will not install on an unsupported version. Running the unzipped
-  package on an unsupported version might result in an error displayed
-  or in erratic program behaviour.<br> If you use a previous SeaMonkey x86
-  Windows version please uninstall it before installing the x64 version. Your
-  profile data will be preserved doing this.<br>
-  The x86 version can run on any current Windows version starting with Windows
-  7.
+  distributions only.
+  <br>The Windows versions is supported on Windows 7 and higher only. It will
+  not install on an unsupported version. The x64 version will only run on a x64
+  Windows version. Running the unzipped package on an unsupported version might
+  result in an error displayed or in erratic program behaviour.<br> If you use
+  a previous SeaMonkey x86 Windows version please uninstall it before
+  installing the x64 version. Your profile data will be preserved doing this.
+  <br>
   </li>
   <li><font color="#ff0000"><b>Automatic upgrades from prior versions
   are disabled for this release. If you need to upgrade from an earlier

src/releases/seamonkey2.53.9/index.en.html

@@ -274,7 +274,8 @@ note the following warnings and advice regarding extensions:</p>
   <li>Dictionaries in WebExtension formats do <b>not</b> work, even though
     they appear to install correctly. Support for them will be added at a
     later date. Please install the latest classic version from the dictionary
-    history.
+    history or unpack the dictionary inside the WebExtension package into your
+    /dictionaries directory.
   </li>
   <li>Lightweight themes are no longer provided on the SeaMonkey Add-ons site.
   </li>
@@ -294,12 +295,6 @@ note the following warnings and advice regarding extensions:</p>
 This list covers some of the known problems with [% rnote.name %].
 Please read this before reporting any new bugs.
 <ul>
-  <li>Clearing the browser history during shutdown does currently not work.
-    Please use "Tools->Clear Private Data" as a workaround. The problem is
-    tracked in <a
-    href="https://bugzilla.mozilla.org/show_bug.cgi?id=1621445">bug 1621445</a>
-  </li>
-
   <li>Opening single new tabs from the Library always loads them in the
     foreground. The problem is tracked in <a
     href="https://bugzilla.mozilla.org/show_bug.cgi?id=1619108">bug 1619108</a>
@@ -372,9 +367,10 @@ Please read this before reporting any new bugs.
   </li>
   <li>SeaMonkey does not currently support the WebExtensions add-on api. Some
     popular add-ons like NoScript and uBlock Origin are no longer shown because
-    of this on the SeaMonkey add-ons website. You can usually get them from the
-    manufacturers site. WebExtensions support is a planned feature for 2.57.
-    For dictionaries please install the latest non webext version.
+    of this on the SeaMonkey add-ons website. You can usually get compatible
+    versions from the manufacturers site. WebExtensions support is a planned
+    feature for 2.57. For dictionaries please install the latest non webext
+    version.
   </li>
   <li>The SSL 3.0 encryption protocol is no longer supported due to
     security concerns (<a
@@ -398,8 +394,8 @@ Please read this before reporting any new bugs.
     Additionally, running MailNews with local folders and POP3 mail filters may
     produce summary files that are not correctly read by previous versions of
     SeaMonkey. If you decide to go back to a previous version of SeaMonkey, you
-    should do it from a profile backup only. Stored passwords will also be
-    unavailable.
+    should do it from a profile backup only. Stored passwords and local storage
+    will also be unavailable in the old version.
   </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
@@ -606,11 +602,13 @@ Please read this before reporting any new bugs.
     <a href="../[% rnote.version %]#source">download page</a>.
     The latest development code can be obtained from the <a
     href="../../dev/code-development#central">source repository</a>.
-    SeaMonkey-specific source is in the "suite" directory. Please follow the <a
-    href="../../dev/code-development#building">build instructions</a>.
+    SeaMonkey-specific source is in the "suite" directory. Please follow the
+    <a href="../../dev/code-development#building">build instructions</a>.
     We provide source code for 2.53.1 and future releases on
-    <a href="https://gitlab.com/seamonkey-project">gitlab</a> accessible using
-    the web components polyfill add-on.
+    <a href="https://gitlab.com/seamonkey-project">gitlab</a>. For accessing
+    the site you currently need to use the
+    <a href="https://github.com/JustOff/github-wc-polyfill/accessible"> web
+    components polyfill add-on</a>.
     </dd>
   </dt>