Article: Apple Released Mac OSX 10.5.5 UpdateApple just released the latest upgrade to Mac OS X, v10.5.5, through Software Update. The patch addresses a considerable number of aspects in the operating system, such as Mail, MobileMe and Address Book, as well as some "general" concerns, according to Apple's support notes. Some of these include Spotlight indexing, the reliability of iPhone sync with both iCal and Address Book, and problems with Macs powering on involuntarily at the same time every day. The update is sized anywhere between 136 and 353MB, depending on the number of minor patches already installed.