Bug 736057: Add to the release notes that |FILTER url_quote| has been replaced by |FILTER uri|

template/en/default/pages/release-notes.html.tmpl

@@ -345,6 +345,9 @@
   <li>YUI has been upgraded to 2.9.0.</li>
   <li>Due to the major code refactor of <kbd>B[%%]ugzilla/Search.pm</kbd>, any
     customization made against this file will probably need to be rewritten.</li>
+  <li>The Bugzilla-specific <kbd>url_quote</kbd> filter used in templates has been
+    removed and replaced by the <kbd>uri</kbd> filter from Template::Toolkit as
+    they are now similar.</li>
   <li><kbd>long_list.cgi</kbd>, <kbd>showattachment.cgi</kbd> and <kbd>xml.cgi</kbd>
     have been removed from the codebase. As <a href="#v40_code_changes">announced</a>
     in the release notes of [% terms.Bugzilla %] 4.0, these scripts were deprecated