Apple today announced the release of iCal 1.0.1, an update to the company’s calendar application, and iSync 1.0, the first final release of its synchronization software. Both releases require Mac OS X 10.2.3 and offer performance improvements, bug fixes, and feature tweaks. Apple also notes in the press release that since its introduction in September, more than 1 million copies of iCal have been distributed and more than 200,000 calendars have been published online.