Release Notes: Mac OS X support was added.
Release Notes: A large number of changes that improve robustness, speed of performance, security, and clarity of user messages. A number of bugs were also fixed. A number of key usability issues with MS IE5+ and Netscape 6+ Web browsers have been resolved. Time consuming admin operations will run to completion, protected from accidental user interruption. Total cumulative file attachment limits of >=4GB are handled accurately. A new Web interface greatly simplifies initial installation and setup.