WARNING: Version 2 IS NOT Binary Compatible with Older Versions
Version 2 is Source Compatible with Older Versions
Lots of source code scrubbing
[New] RSCALE support (requires libicu from http://www.icu-project.org)
[New] CalDAV attachment support (draft-daboo-caldav-attachments)
[New] Resurrect the Berkeley DB storage support
[Bug] issue83: Incorrect recurrence generation for weekly pattern
Handle RRULEs better
Handle threading better