Bug#253973: packages.debain.org notice of change mailing list
Each package for each distribution should have a notification list.
Notification of new package/version.
For example, I would like to know when another version of mono enters
So somewhere on that page would be a form to enter my email address. The
changes list could be a cut down version of mailman. Or just a simple
opt-in list. That prompt's subsribers of a new version.