There is an fdutils mailing list at email@example.com . Please send all bug reports to this list. You may subscribe to the list by sending a message with 'subscribe' in its body or subject to firstname.lastname@example.org, or by visiting:
Announcements of new fdutils versions will also be sent to the list, in addition to the linux announce newsgroups. There also exists an archive of the mailing list (currently only accessible to subscribers).
The manual for fdutils is available here. This manual will only be updated for major releases, or when there is a significant change in it.