MacRumors.com

In addition to managing multiple calendars and sharing them over the Internet, iCal now includes an all-new interface for creating and managing event details and improved support for working across time zones. iSync, which allows users to instantly sync their Mac address book and calendars with their mobile phone, Palm OS device, iPod(TM) and other Macs, now delivers calendar support for Symbian-based smartphones and supports new mobile phones from Sony Ericsson, extending Apple's lead in integrating with Bluetooth-enabled phones.

Both applications are available immediately as free downloads from Apple.com and in your Mac OS X Software Update.

These updates have been long expected and were first noted in late August.