The Milestone 3 build of the 0.5 release should
contain new development in the CalDAV Schedule
and Outlook Address Book along with stability
and performance fixes.
CalDAV Schedule - Real-time free-busy lookups
CalDAV Schedule - Outbox/Inbox invite/reply
CalDAV Schedule - free-busy-set property
Complete MAPI Address Book Provider
Address Book - CalDAV server principal hierarchy support
Address Book - OS X Server Open Directory schema support
Recurring Appointment support
Move Network I/O to OpenConnector.exe