Maxum Development today announced the release of Rumpus FTP 4.0, the latest version of its Internet file transfer server for the Mac. Version has been redesigned to take full advantage of Mac OS X and features: a completely new interface, context-sensitive help, an expanded setup assistant. integrated self-diagnosis, background operation as a Unix daemon process, and more. Rumpus 4.0 Standard Edition is priced at US$249, or $79 for an upgrade from any previous Rumpus version. A Professional Edition for larger organizations and ISPs is priced at $395, or $129 for the upgrade. In addition, the update is free for any Rumpus customer who has purchased the product since May 1, 2003.