Version history for Mozilla Sunbird

Changes for v0.9 - v1.0 Beta 1

You can now define multiple alarms for a single event
CalDAV support and interoperability with various CalDAV servers have been improved
The application stability, performance and memory consumption have been improved
A full list of changes that have gone into this release can be found on The Rumbling Edge website.

Changes for v0.5 - v0.7

A redesigned event/task dialog has been enabled to gather feedback from the community. It offers a much cleaner user interface and additional functionality including:
- Events/Tasks can be created in different timezones
- Integrated display of recurrence patterns, reminders
- Custom recurrences and reminders
- Clear separation between tasks and events
The new event summary dialog lists all the details of tasks and events for calendar which are read-only.
Colliding events (events in the same time slot) are shrunk so that they fit into the display of a day. This no longer affects other events on the same day.
Localized releases of Sunbird in Chinese (simplified), Georgian, Lithuanian, Portuguese (European), Spanish (Argentina) and Turkish
A full list of changes that have gone into this release can be found on The Rumbling Edge website.