Version 3.2 is available upstream. Please consider updating!
It seems that version 3.2 is available upstream, while the latest version in the Gentoo tree is 3.2_pre20180106. You think this warning is false? Read more about it here.
The Insidious Big Brother Database (BBDB) is a contact management utility
for use with GNU Emacs and XEmacs. It can hook into Emacs-based mail- and
news-readers and automatically collect information on messages therein.