New Retrospect 6.0 for the Mac Driver Update v5.5.103 is Out

and available for download according to a note sent by Dantz to Dana Baggett:

Hello Retrospect User,

A new Retrospect Driver Update (RDU) has been released for use with
Retrospect 6.0 for Macintosh. To download the update and read a list of
changes, please visit the following address:

Macintosh RDU version 5.5.103 (Retrospect 6.0)

Thanks for using Retrospect.
Dantz Development

The update supports 14 additional drives according to the Dantz web site. [Dana Baggett]