A new icon set which matches more closely the icon style of other mozilla applications
Category colors are now shown next to an event box, giving users a much better overview of their differently categorized events
Events with alarms now have a visual indicator showing an alarm bell
A totally overhauled alarm dialog
Sunbird now recognizes the timezone definitions in .ics files created by other applications. This fixes the longstanding issue of Sunbird miscalculating the date or time of events contained in those files
