The Mac/Linux client has added many features, including the Home Folder, the Nav Bar, more flexible panels, toolbar customization, categories, improved Find capabilities, item personalization, item type modification, multiple calendars, calendar selection for appointment acceptance, shared calendars, updated calendar views, import/export calendars, additional forms for calendar printing, date/time format modification, CASA login support, Auto-Save protection against message loss, external accounts (POP, IMAP, and NNTP), and Notify.
For information about using new features, from the GroupWise Mac/Linux client, click What’s New in GroupWise 8
in the GroupWise 8 Mac/Linux Client User Guide.