Apple has released iCal 1.5.2, the latest version of its popular calendar application. According to Apple, iCal 1.5.2 is “easier and faster to use with its detachable Info Drawer, To Do alarms and notes, more keyboard shortcuts, ability to publish or subscribe to calendars on servers located behind a firewall, improved alarms, support for events in multiple time zones, as well as other stability and performance improvements.”