An
announcement (
ANN) is a
Usenet,
mailing list or
e-mail message sent to notify subscribers that a
software project has made a new
release version.
Newsgroup announcement recipients often have a name like "comp.
somegroup.announce".
Mailing list announcement recipients often have a name like "
toolname-announce". In an announcement, the
subject line commonly contains the abbreviated prefix
ANN: or
[ANN].