If DEBUG mode is True and ALLOWED_HOSTS is empty you should get a console warning
|Reported by:||Owned by:||nobody|
|Has patch:||no||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
In Django 1.5, since the ALLOWED_HOSTS is required, the dev server should print a warning to the console on every request while ALLOWED_HOSTS is empty. Otherwise, anyone who misses the new feature will deploy a site to production that doesn't work.