Merge branch 'staging' - Bug 1647130 Better explanation for browser.tabs.autoHide pref flip.

src/releases/seamonkey2.53.3/index.en.html

@@ -107,8 +107,12 @@ for new information.
   <li>The preference for hiding the toolbar and menubar grippies can now be
     changed from "Preferences->Appearance".
   </li>
-  <li>Changed the default to not autohide tab bar when there is only one tab in
-    a window.
+  <li>The preference "browser.tabs.autoHide" which autohides the tab bar when
+    there is only one tab in a browser window open has been flipped in
+    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1634879">bug 1634879</a>.
+    SeaMonkey will now show the tab bar as the default. You can change it back by
+    checking "Hide the tab bar when only one tab is open" in
+    "Preferences->Browser->Tabbed Browsing"
   </li>
   <li>Update of help page content and links.
   </li>