Cleanup and upgrade message started:

astrid/res/values/strings-core.xml

@@ -659,9 +659,6 @@ you get stuff done. It features reminders, tags, sync, Locale plug-in, a widget
   
   <string name="DB_corrupted_title">Corrupted Database</string>
   
-  <!-- Progress dialog title for long upgrades/migrations -->
-  <string name="upgrade_progress">Upgrading...</string>
-  
   <string name="DB_corrupted_body">
       Uh oh! It looks like you may have a corrupted database. 
       If you see this error regularly, we suggest you clear all

astrid/src/com/todoroo/astrid/service/UpgradeService.java

@@ -194,6 +194,10 @@ public final class UpgradeService {
         Preferences.clear(AstridPreferences.P_UPGRADE_FROM);
         StringBuilder changeLog = new StringBuilder();
 
+        newVersionString(changeLog, "4.0.6 (3/29/12)", new String[] {
+               "Fixed a bug that could put duetimes on tasks when changing timezones"
+        });
+
         if (from >= V4_0_5 && from < V4_0_5_1) {
             newVersionString(changeLog, "4.0.5.1 (3/23/12)", new String[] {
                "Fixed a bug that would prevent widgets from displaying on Android 2.1"