Masquer les messages de nouvelles versions de Thunderbird et équivalents

root/usr/share/mozilla-mcd/thunderbird.php

@@ -123,6 +123,13 @@ defaultPref("mail.content_disposition_type ", 1);
 defaultPref("mail.imap.expunge_option", 3);
 defaultPref("mail.imap.expunge_threshold_number", 100);
 
+// Hide useless messages
+<?php echo TB_PREF;?>("mail.ui.show.migration.on.upgrade", false);
+<?php echo TB_PREF;?>("app.update.showInstalledUI", false);
+<?php echo TB_PREF;?>("browser.startup.homepage_override.mstone", "ignore");
+<?php echo TB_PREF;?>("mailnews.start_page_override.mstone", "ignore");
+<?php echo TB_PREF;?>("mail.rights.version", 1);
+
 <?php
 // Include other conf fragment if they exist
 if (is_array(glob("thunderbird.mod.*.php"))){