* add a loud warning that says that we're running in backcompat mode, and refers
to the ::Manual::UpgradingFrom0.04006 POD.
+*** backcompat tests
+
+These are still failing:
+* t/backcompat/0.04006/20invocations.t
+* t/backcompat/0.04006/23dumpmore.t
+
*** naming accessor
* class data for Loader